Patent Grant
7560123
The present invention relates to compositions, that may be swallowable, chewable and/or dissolvable, comprising various vitamins and minerals, and methods for using these compositions for nutritional supplementation in, for example, subjects in physiologically stressful states.
Nutrition plays a critical role in maintaining good health. Proper nutrition prevents dietary deficiencies, and also protects against the development of disease. When the body faces physiological stress, proper nutrition plays an increasingly important role. For example, pregnancy and lactation are among the most nutritionally volatile and physiologically stressful periods and processes in the lifetimes of women. Vitamin and mineral needs are almost universally increased during these natural processes. Increased vitamin and mineral needs during these times are almost always due to elevated metabolic demand, increased plasma volume, increased levels of blood cells, decreased concentrations of nutrients, and decreased concentrations of nutrient-binding proteins.
When increased nutrient needs occur during pregnancy, lactation, or any other physiologically stressful state, nutritional supplementation serves a vital role in maintaining good health. Nutritional supplementation is especially pertinent to women contemplating conceiving a child because optimizing specific nutrients before, during, and after the physiological processes of pregnancy or lactation can have profound, positive, and comprehensive impacts upon the overall wellness of the developing and newborn child as well as on the safety and health of the mother. The present invention provides compositions and methods designed to supplement the nutritional needs of individuals in physiologically stressful states.
Further, while some patients may prefer swallowable dosage forms, it is estimated that 50% of the population has problems swallowing whole tablets. Seager, 50 J. P
The present invention provides compositions and methods of using these compositions for both prophylactic and therapeutic nutritional supplementation. Specifically, for example, the present invention relates to novel compositions of vitamins and minerals that can be used to supplement the nutritional deficiencies observed in patients undergoing physiologically stressful states such as, for example and without limitation, pregnancy, lactation, and any disease state. The compositions of the present invention may be in a swallowable, chewable or dissolvable form according to an individual patient's preference. Choice in dosage form promotes ease of administration and compliance with dosing regimens.
In one embodiment of the present invention, the compositions may comprise vitamin A, beta carotene, B-complex vitamins, vitamin C, vitamin D3, vitamin E, iron, magnesium, and zinc.
In another embodiment, the compositions of the present invention may comprise one or more of vitamin A in the form of acetate; beta carotene; vitamin B1 in the form of thiamine mononitrate; vitamin B2 in the form of riboflavin; vitamin B3 in the form of niacinamide or niacin; vitamin B6 in the form of pyridoxine hydrochloride; vitamin B9 in the form of folic acid, folacin, metafolin, folate and/or one or more natural isomers of folate including (6S)-tetrahydrofolic acid or a polyglutamyl derivative thereof, 5-methyl -(6S)-tetrahydrofolic acid or a polyglutamyl derivative thereof, 5-formyl-(6S)-tetrahydrofolic acid or a polyglutamyl derivative thereof, 10-formyl-(6R)-tetrahydrofolic acid or a polyglutamyl derivative thereof, 5,10-methylene-(6R)-tetrahydrofolic acid or a polyglutamyl derivative thereof, 5,10-methenyl-(6R)-tetrahydrofolic acid or a polyglutamyl derivative thereof and 5-formimino-(6S)-tetrahydrofolic acid or a polyglutamyl derivative thereof; vitamin B12 in the form of cyanocobalamin; vitamin C in the form of ascorbic acid; vitamin D3 in the form of cholecalciferol; vitamin E in the form of d-alpha tocopheryl acetate or d-alpha tocopheryl succinate; iron in the form of polysaccharide complex or ferrous fumarate; magnesium in the form of magnesium oxide; and/or zinc in the form of zinc oxide.
In another embodiment of the present invention, the compositions may be substantially free of any other added vitamins and minerals not described in the preceding paragraph. For example, the compositions of the present invention may be substantially free of added alpha carotene; substantially free of added lutein; substantially free of added lycopene; substantially free of added zeaxanthin; substantially free of added vitamin B4; substantially free of added vitamin B5; substantially free of added vitamin B7; substantially free of added vitamin B8; substantially free of added vitamin B10; substantially free of added vitamin B11; substantially free of added calcium; substantially free of added chromium; substantially free of added copper; substantially free of added manganese; substantially free of added selenium; substantially free of added boron; substantially free of added odorless garlic; substantially free of added coenzyme Q-10; substantially free of added 1-carnitine; substantially free of added grape seed extract; substantially free of added green tea extract; substantially free of added quercetin; substantially free of added hawthorne berries; and/or substantially free of added alpha lipoic acid.
In another specific embodiment, the compositions of the present invention may be substantially free of added vitamin A; substantially free of added beta carotene; substantially free of added vitamin B1; substantially free of added vitamin B2; substantially free of added vitamin B3; substantially free of added vitamin B6; substantially free of added vitamin B9; substantially free of added vitamin B12; substantially free of added vitamin C; substantially free of added vitamin D3; substantially free of added vitamin E; substantially free of added iron; substantially free of added magnesium; and/or substantially free of added zinc.
In another embodiment, the compositions of the present invention may comprise pharmaceutically acceptable carriers, such as one or more of binders, diluents, lubricants, glidants, colorants, emulsifiers, disintegrants, starches, water, oils, alcohols, preservatives, and sugars.
In another embodiment of the present invention, the compositions may comprise sweetening agents such as one or more of sucrose, fructose, high fructose corn syrup, dextrose, saccharin sodium, maltodextrin, aspartame, potassium acesulfame, neohesperidin dihydrochalcone, sucralose, monoammonium glycyrrhizinate, and mixtures thereof.
In another embodiment of the present invention, the compositions may comprise flavorants such as one or more of anise oil, cinnamon oil, peppermint oil, oil of wintergreen, clove oil, bay oil, anise oil, eucalyptus oil, thyme oil, cedar leave oil, oil of nutmeg, oil of sage, oil of bitter almonds, cassia oil, lemon oil, orange oil, lime oil, grapefruit oil, grape oil, apple essence, pear essence, peach essence, berry essence, wildberry essence, date essence, blueberry essence, kiwi essence, strawberry essence, raspberry essence, cherry essence, plum essence, pineapple essence, apricot essence, natural mixed berry flavor, citric acid, malic acid, vanilla, vanillin, cocoa, chocolate, and menthol.
In another embodiment of the present invention, the compositions may comprise an alkyl polysiloxane in the form of dimethyl polysiloxane.
In another embodiment, the compositions of the present invention may comprise one or more of about 550 IU to about 1650 IU vitamin A; about 300 IU to about 900 IU beta carotene; about 1 mg to about 3 mg vitamin B1; about 1 mg to about 3 mg vitamin B2; about 7 mg to about 23 mg vitamin B3; about 1 mg to about 4 mg vitamin B6; about 500 μg to about 1500 μg vitamin B9; about 2 μg to about 8 μg vitamin B12; about 30 mg to about 90 mg vitamin C; about 200 IU to about 600 IU vitamin D3; about 15 IU to about 45 IU vitamin E; about 14 mg to about 44 mg iron; about 12 mg to about 38 mg magnesium; and about 7 mg to about 23 mg zinc.
In another embodiment, the compositions of the present invention may comprise one or more of about 880 IU to about 1320 IU vitamin A; about 480 IU to about 720 IU beta carotene; about 1.3 mg to about 1.9 mg vitamin B1; about 1.5 mg to about 2.2 mg vitamin B2; about 12 mg to about 18 mg vitamin B3; about 2 mg to about 3 mg vitamin B6; about 800 μg to about 1200 μg vitamin B9; about 4 μg to about 6 μg vitamin B12; about 48 mg to about 72 mg vitamin C; about 320 IU to about 480 IU vitamin D3; about 24 IU to about 36 IU vitamin E; about 23 mg to about 35 mg iron; about 20 mg to about 30 mg magnesium; and about 12 mg to about 18 mg zinc.
In another embodiment of the present invention, the compositions may comprise one or more of about 990 IU to about 1210 IU vitamin A; about 540 IU to about 660 IU beta carotene; about 1.5 mg to about 1.75 mg vitamin B1; about 1.6 mg to about 2 mg vitamin B2; about 13.5 mg to about 16.5 mg vitamin B3; about 2.3 mg to about 2.8 mg vitamin B6; about 900 μg to about 1100 μg vitamin B9; about 4.5 μg to about 5.5 μg vitamin B12; about 54 mg to about 66 mg vitamin C; about 360 IU to about 440 IU vitamin D3; about 27 IU to about 33 IU vitamin E; about 26 mg to about 32 mg iron; about 22.5 mg to about 27.5 mg magnesium; and about 13.5 mg to about 16.5 mg zinc.
In another embodiment of the present invention, the compositions may comprise one or more of about 1100 IU vitamin A; about 600 IU beta carotene; about 1.6 mg vitamin B1; about 1.8 mg vitamin B2; about 15 mg vitamin B3; about 2.5 mg vitamin B6; about 1000 μg vitamin B9; about 5 μg vitamin B12; about 60 mg vitamin C; about 400 IU vitamin D3; about 30 IU vitamin E; about 29 mg iron; about 25 mg magnesium; and about 15 mg zinc.
In another embodiment of the present invention, the compositions may be suitable for administration to subjects in physiologically stressful states, such as those resulting from pregnancy, lactation or disease states. Such compositions may be suitable for treating nutritional deficiencies resulting from such physiologically stressful states, which may result from, for example and without limitation, elevated metabolic demand, increased plasma volume, or decreased concentrations of nutrient-binding proteins such as, for example and without limitation, serum-ferritin, maltose-binding protein, lactoferrin, calmodulin, tocopheryl binding protein, riboflavin binding protein, retinol binding protein, transthyretin, high density lipoprotein-apolipoprotein A1, folic acid binding protein and 25-hydroxyvitamin D binding protein.
The present invention also includes methods of administering the compositions of the invention to patients to supplement nutritional deficiencies resulting from, for example and without limitation, pregnancy, lactation, and any disease state.
In one embodiment of the present invention, the methods may utilize compositions comprising vitamin A, beta carotene, B-complex vitamins, vitamin C, vitamin D3, vitamin E, iron, magnesium and zinc. In another embodiment of the present invention, the methods may utilize compositions in a swallowable, chewable, or dissolvable form.
In another embodiment of the present invention, the methods may utilize compositions including vitamin A in the form of acetate; beta carotene; vitamin B1 in the form of thiamine mononitrate; vitamin B2 in the form of riboflavin; vitamin B3 in the form of niacinamide or niacin; vitamin B6 in the form of pyridoxine hydrochloride; vitamin B9 in the form of folic acid, folacin, metafolin, folate and/or one or more natural isomers of folate including (6S)-tetrahydrofolic acid or a polyglutamyl derivative thereof, 5methyl -(6S)-tetrahydrofolic acid or a polyglutamyl derivative thereof, 5-formyl-(6S)-tetrahydrofolic acid or a polyglutamyl derivative thereof, 10-formyl-(6R)-tetrahydrofolic acid or a polyglutamyl derivative thereof, 5,10-methylene-(6R)-tetrahydrofolic acid or a polyglutamyl derivative thereof, 5,10-methenyl-(6R)-tetrahydrofolic acid or a polyglutamyl derivative thereof and 5-formimino-(6S)-tetrahydrofolic acid or a polyglutamyl derivative thereof; vitamin B12 in the form of cyanocobalamin; vitamin C in the form of ascorbic acid; vitamin D3 in the form of cholecalciferol; vitamin E in the form of d-alpha tocopheryl acetate or d-alpha tocopheryl succinate; iron in the form of polysaccharide complex or ferrous fumarate; magnesium in the form of magnesium oxide; and zinc in the form of zinc oxide.
In another embodiment of the present invention, the methods may utilize compositions substantially free of any other added vitamins and minerals not described in the preceding paragraph. For example, the methods may utilize compositions that are substantially free of added alpha carotene; substantially free of added lutein; substantially free of added lycopene; substantially free of added zeaxanthin; substantially free of added vitamin B4; substantially free of added vitamin B5; substantially free of added vitamin B7; substantially free of added vitamin B8; substantially free of added vitamin B10; substantially free of added vitamin B11; substantially free of added calcium; substantially free of added chromium; substantially free of added copper; substantially free of added manganese; substantially free of added selenium; substantially free of added boron; substantially free of added odorless garlic; substantially free of added coenzyme Q-10; substantially free of added 1-camitine; substantially free of added grape seed extract; substantially free of added green tea extract; substantially free of added quercetin; substantially free of added hawthorne berries; and/or substantially free of added alpha lipoic acid.
In another specific embodiment, the methods may utilize compositions that are substantially free of added vitamin A; substantially free of added beta carotene; substantially free of added vitamin B1; substantially free of added vitamin B2; substantially free of added vitamin B3; substantially free of added vitamin B6; substantially free of added vitamin B9; substantially free of added vitamin B12; substantially free of added vitamin C; substantially free of added vitamin D3; substantially free of added vitamin E; substantially free of added iron; substantially free of added magnesium; and/or substantially free of added zinc.
In another embodiment of the present invention, the methods may utilize compositions comprising pharmaceutically acceptable carriers, such as one or more of binders, diluents, lubricants, glidants, colorants, emulsifiers, disintegrants, starches, water, oils, alcohols, preservatives, and sugars.
In another embodiment of the present invention, the methods may utilize compositions comprising sweetening agents such as one or more of sucrose, fructose, high fructose corn syrup, dextrose, saccharin sodium, maltodextrin, aspartame, potassium acesulfame, neohesperidin dihydrochalcone, sucralose, monoammonium glycyrrhizinate, and mixtures thereof.
In another embodiment of the present invention, the methods may utilize compositions comprising flavorants such as one or more of anise oil, cinnamon oil, peppermint oil, oil of wintergreen, clove oil, bay oil, anise oil, eucalyptus oil, thyme oil, cedar leave oil, oil of nutmeg, oil of sage, oil of bitter almonds, cassia oil, lemon oil, orange oil, lime oil, grapefruit oil, grape oil, apple essence, pear essence, peach essence, berry essence, wildberry essence, date essence, blueberry essence, kiwi essence, strawberry essence, raspberry essence, cherry essence, plum essence, pineapple essence, apricot essence, natural mixed berry flavor, citric acid, malic acid, vanilla, vanillin, cocoa, chocolate, and menthol.
In another embodiment of the present invention, the methods may utilize compositions comprising an alkyl polysiloxane in the form of dimethyl polysiloxane.
In another embodiment, the methods may utilize compositions comprising one or more of about 550 IU to about 1650 IU vitamin A; about 300 IU to about 900 IU beta carotene; about 1 mg to about 3 mg vitamin B1; about 1 mg to about 3 mg vitamin B2; about 7 mg to about 23 mg vitamin B3; about 1 mg to about 4 mg vitamin B6; about 500 μg to about 1500 μg vitamin B9; about 2 μg to about 8 μg vitamin B12; about 30 mg to about 90 mg vitamin C; about 200 IU to about 600 IU vitamin D3; about 15 IU to about 45 IU vitamin E; about 14 mg to about 44 mg iron; about 12 mg to about 38 mg magnesium; and about 7 mg to about 23 mg zinc.
In another embodiment of the present invention, the methods may utilize compositions comprising one or more of about 880 IU to about 1320 IU vitamin A; about 480 IU to about 720 IU beta carotene; about 1.3 mg to about 1.9 mg vitamin B1; about 1.5 mg to about 2.2 mg vitamin B2; about 12 mg to about 18 mg vitamin B3; about 2 mg to about 3 mg vitamin B6; about 800 μg to about 1200 μg vitamin B9; about 4 μg to about 6 μg vitamin B12; about 48 mg to about 72 mg vitamin C; about 320 IU to about 480 IU vitamin D3; about 24 IU to about 36 IU vitamin E; about 23 mg to about 35 mg iron; about 20 mg to about 30 mg magnesium; and about 12 mg to about 18 mg zinc.
In another embodiment of the present invention, the methods may utilize compositions comprising one or more of about 990 IU to about 1210 IU vitamin A; about 540 IU to about 660 IU beta carotene; about 1.5 mg to about 1.75 mg vitamin B1; about 1.6 mg to about 2 mg vitamin B2; about 13.5 mg to about 16.5 mg vitamin B3; about 2.3 mg to about 2.8 mg vitamin B6; about 900 μg to about 1100 μg vitamin B9; about 4.5 μg to about 5.5 μg vitamin B12; about 54 mg to about 66 mg vitamin C; about 360 IU to about 440 IU vitamin D3; about 27 IU to about 33 IU vitamin E; about 26 mg to about 32 mg iron; about 22.5 mg to about 27.5 mg magnesium; and about 13.5 mg to about 16.5 mg zinc.
In another embodiment of the present invention, the methods may utilize compositions comprising one or more of about 1100 IU vitamin A; about 600 IU beta carotene; about 1.6 mg vitamin B1; about 1.8 mg vitamin B2; about 15 mg vitamin B3; about 2.5 mg vitamin B6; about 1000 μg vitamin B9; about 5 μg vitamin B12; about 60 mg vitamin C; about 400 IU vitamin D3; about 30 IU vitamin E; about 29 mg iron; about 25 mg magnesium; and about 15 mg zinc.
In another embodiment of the present invention, the methods may utilize compositions suitable for administration to subjects in physiologically stressful states, such as those resulting from, for example and without limitation, pregnancy, lactation or disease states. Such compositions may be suitable for treating nutritional deficiencies resulting from such physiologically stressful states, which may result from, for example and without limitation, elevated metabolic demand, increased plasma volume, or decreased concentrations of nutrient-binding proteins such as serum-ferritin, maltose-binding protein, lactoferrin, calmodulin, tocopheryl binding protein, riboflavin binding protein, retinol binding protein, transthyretin, high density lipoprotein-apolipoprotein A1, folic acid binding protein and 25-hydroxyvitamin D binding protein.
Other objectives, features and advantages of the present invention will become apparent from the following detailed description. The detailed description and the specific examples, although indicating specific embodiments of the invention, are provided by way of illustration only. Accordingly, the present invention also includes those various changes and modifications within the spirit and scope of the invention that may become apparent to those skilled in the art from this detailed description.
It is understood that the present invention is not limited to the particular methodologies, protocols, fillers, excipients, etc. . . . , described herein, as these may vary. It is also to be understood that the terminology used herein is used for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. It must be noted that as used herein and in the appended claims, the singular forms “a,” “an,” and “the” include the plural reference unless the context clearly dictates otherwise. Thus, for example, a reference to “a vitamin” is a reference to one or more vitamins and includes equivalents thereof known to those skilled in the art and so forth.
Unless defined otherwise, all technical and scientific terms used herein have the same meanings as commonly understood by one of ordinary skill in the art to which this invention belongs. Specific methods, devices, and materials are described, although any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the present invention.
The term “disease state” as used herein, may comprise any state in which one or more organs or components of an organism malfunction. The term “disease state” may refer to any deterioration of any component of a body. The term “disease state” may refer to any deficiency of any compound necessary for the maintenance or function of any component of any organism. The term “disease state” may refer to any condition in which a body contains toxins, produced by microorganisms that infect the body or by body cells through faulty metabolism or absorbed from an external source. “Disease states” may be adverse states caused by any diet, any virus, or any bacteria. “Disease states” may comprise disorders associated with pregnant females such as, for example, osteomalacia and preeclampsia and disorders associated with a fetus such as, for example, neural tube defects and various fetal abnormalities. “Disease states” may comprise any pulmonary disorder such as, for example, bronchitis, bronchiectasis, atelectasis, pneumonia, diseases caused by inorganic dusts, diseases caused by organic dusts, any pulmonary fibrosis and pleurisy. “Disease states” may comprise any hematological/oncological disorder such as, for example, anemia, hemophilia, leukemia, and lymphoma. A “disease state” may comprise any cancer such as, for example and without limitation, breast cancer, lung cancer, prostate cancer, pancreatic cancer, liver cancer, stomach cancer, testicular cancer, ovarian cancer, skin cancer, cancer of the brain, cancer of the mouth, cancer of the throat, and cancer of the neck. “Disease states” may comprise any disorder of the immune system such as, for example, acquired immune deficiency syndrome (AIDS), AIDS-related complex, infection by any strain of any human immunodeficiency virus (HIV), and other viruses or pathogens such as bacteria. A “disease state” may comprise any cardiovascular disorder such as, for example, arterial hypertension, orthostatic hypotension, arteriosclerosis, coronary artery disease, cardiomyopathy, any arrhythmia, any valvular heart disease, endocarditis, pericardial disease, any cardiac tumor, any aneurysm and any peripheral vascular disorder. “Disease states” may comprise any hepatic/biliary disorder such as, for example and without limitation, jaundice, hepatic steatosis, fibrosis, cirrhosis, hepatitis, any hepatic granuloma, any liver tumor, cholelithiasis, cholecystitis and choledocholithiasis.
The term “physiologically stressful state,” as used herein, comprises any state of an organism in which the organism faces one or more physiological challenges. A “physiologically stressful state” may comprise, for example and without limitation, pregnancy, lactation, or conditions in which an organism faces physiological challenges related to, for example and without limitation, elevated metabolic demand, increased plasma volume, or decreased concentrations of nutrient-binding proteins. A “physiologically stressful state” may result from one or more disease states.
The term “subject,” as used herein, comprises any and all organisms and includes the term “patient.” “Subject” may refer to a human or any other animal. “Subject” also may refer to a fetus.
The phrase “pharmaceutically acceptable,” as used herein, refers to those compounds, materials, compositions and/or dosage forms which are, within the scope of sound medical judgment, suitable for use in contact with the tissues of human beings and animals without excessive toxicity, irritation, allergic response, or other problem or complication, commensurate with a reasonable benefit/risk ratio.
The phrase “swallowable form” refers to any compositions that do not readily dissolve when placed in the mouth and may be swallowed whole without any chewing or discomfort. Such compositions, in one embodiment, may have a shape containing no sharp edges and a smooth, uniform and substantially bubble free outer coating.
The phrase “chewable form” refers to any relatively soft compositions that are chewed in the mouth after oral administration, have a pleasant taste and mouthfeel, and quickly break into smaller pieces and begin to dissolve after chewing such that they can be swallowed substantially as a solution.
The phrase “dissolvable form” refers to any compositions that dissolve into a solution in the mouth. Such compositions, in one embodiment, may dissolve within about 60 seconds or less after placement in the mouth without any chewing.
The term “mouthfeel” refers to non-taste-related aspects of the pleasantness experienced by a person while chewing or swallowing a nutritional supplement. Aspects of mouthfeel include, for example and without limitation, the hardness and brittleness of a composition, whether the composition is chewy, gritty, oily, creamy, watery, sticky, easily dissolved, astringent, effervescent, and the like, and the size, shape, and form of the composition (tablet, powder, gel, etc. . . . ).
The term “antioxidant” means an agent which inhibits oxidation and thus is used to prevent deterioration of preparations by the oxidative process. Such compounds include, by way of example and without limitation, ascorbic acid, ascorbyl palmitate, butylated hydroxyanisole, butylated hydroxytoluene, hypophophorous acid, monothioglycerol, propyl gallate, sodium ascorbate, sodium bisulfite, sodium formaldehyde sulfoxylate and sodium metabisulfite and others known to those of ordinary skill in the art.
Proper nutrition is essential for maintaining health and preventing diseases. Adequate nutrition is especially critical during, for example, nutritionally volatile or physiologically stressful periods such as those including, by way of example and without limitation, pregnancy, lactation, or any disease state. Vitamin and mineral needs are almost universally increased throughout these periods. Increased needs during physiologically stressful states such as pregnancy, lactation or disease state may result from elevated metabolic demand, increased plasma volume, increased quantities of circulating red blood cells, decreased concentrations of nutrients, and decreased concentrations of nutrient-binding proteins such as, for example and without limitation, serum-ferritin, maltose-binding protein, lactoferrin, calmodulin, tocopheryl binding protein, riboflavin binding protein, retinol binding protein, transthyretin, high density lipoprotein-apolipoprotein A1, folic acid binding protein, and 25-hydroxyvitamin D binding protein. Lapido, 72 (Supp.) A
Optimizing specific nutrients before, during, and after the physiological processes of pregnancy and lactation can have profound, positive, and comprehensive impacts on the overall wellness of the developing and newborn child as well as on the safety and health of the mother. Black, 85 (Supp.) B
The compositions and methods of the present invention provide the means to optimize good health by utilizing vitamin and mineral nutritional supplementation. The compositions and methods of the present invention may be administered to or directed to a subject such as a human or any other organism.
The compositions and methods of the present invention may include vitamin A. Vitamin A is involved in physiological processes that result in cellular differentiation, cellular maturity, and cellular specificity. Thus, vitamin A is an important component of a nutritional supplement for subjects in physiologically stressful states, such as those caused by pregnancy, lactation or disease state. Zile et al., 131(3) J. N
The compositions and methods of the present invention may include beta carotene. Beta carotene is converted to vitamin A within the body as needed. Mayne, 10 J. FASEB 690-701 (1996). Beta carotene also has powerful anti-oxidant properties. Antioxidants are important during physiologically stressful events for numerous reasons. For example, lipid peroxidation has been associated with over 200 disease processes. Rock et al., 96(7) J. A
The compositions and methods of the present invention may comprise or use B-complex vitamins. This class of vitamins comprises water-soluble nutrients generally not stored in the body. They play roles in a variety of biological processes critical to the health of pregnant women, lactating women, and fetuses such as, for example, the metabolism of homocysteine. The B-complex vitamins that may be included in the compositions and methods of the present invention comprise one or more of vitamin B1, vitamin B2, vitamin B3, vitamin B6, vitamin B9 and vitamin B12.
The compositions and methods of the present invention may comprise or use vitamin B1. Vitamin B1 plays a role in carbohydrate metabolism and neural function. It is a coenzyme for the oxidative decarboxylation of alpha-ketoacids (e.g., alpha-ketoglutarate and pyruvate) and for transketolase, which is a component of the pentose phosphate pathway. N
The compositions and methods of the present invention may comprise or use vitamin B2. Vitamin B2 is a component of two flavin coenzymes, flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD). These flavoenzymes are involved in a number of oxidation-reduction reactions including the conversion of pyridoxine and niacin. RDA, supra at 132. Flavoenzymes also play a role in a number of metabolic pathways such as amino acid deamination, purine degradation and fatty acid oxidation and thus help to maintain carbohydrate, amino acid and lipid metabolism. In a specific embodiment of the present invention, vitamin B2 may be included in the form of riboflavin. In another specific embodiment, vitamin B2 may be included in amounts ranging from about 1 mg to about 3 mg. In another specific embodiment, vitamin B2 may be included in amounts ranging from about 1.5 mg to about 2.2 mg. In another specific embodiment, vitamin B2 may be included in amounts ranging from about 1.6 mg to about 2 mg. In another embodiment, vitamin B2 may be included in an amount of about 1.8 mg.
The compositions and methods of the present invention may comprise or use vitamin B3. Vitamin B3, or “niacin” is the common name for two compounds: nicotinic acid (also called niacin) and niacinamide (also called nicotinamide). Vitamin B3 is particularly important for maintaining healthy levels and types of fatty acids. It is also required for the synthesis of pyroxidine, riboflavin, and folic acid. RDA, supra at 137. Administration of vitamin B3 also may effect a reduction in total cholesterol (LDL) and very low density lipoprotein (VLDL) levels and an increase in high density lipoprotein (HDL) cholesterol levels. Nicotinamide adenine dinucleotide (NAD) and NAD phosphate (NADP) are active coenzymes of niacin. These coenzymes are involved in numerous enzymatic reactions such as glycolysis, fatty acid metabolism, and steroid synthesis. Henkin et al., 91 A
The compositions and methods of the present invention may comprise or use vitamin B6. The administration of vitamin B6 may reduce the levels of homocysteine. Bostom et al., 49 K
The compositions and methods of the present invention may comprise or use vitamin B9. This vitamin has demonstrated the ability to prevent neural tube defects such as spina bifida caused by disturbed homocysteine metabolism. Vanderput et al., E
The compositions and methods of the present invention may comprise or use vitamin B12. Vitamin B12 can be converted to the active coenzymes, methylcobalamin and 5′-deoxyadenosylcobalamin. These coenzymes are necessary for folic acid metabolism, conversion of coenzyme A and myelin synthesis. Methylcobalamin also catalyzes the demthylation of a folate cofactor which is involved in DNA synthesis. A lack of demethylation may result in folic acid deficiency. RDA, supra at 159-160. Deoxyadenosylcobalamin is the coenzyme for the conversion of methylmalonyl-CoA to succinyl-CoA, which plays a role in the citric acid cycle. Cobalamin, along with pyridoxine and folic acid, also are implicated in the proper metabolism of homocysteine, a breakdown product of the amino acid methionine, which is correlated with an increased risk of heart disease due to its negative effects on endothelial function. In one specific embodiment of the present invention, vitamin B12 may be included in the form of cyanocobalamin. In another specific embodiment, vitamin B12 may be included in amounts ranging from about 2 μg to about 8 μg. In another specific embodiment, vitamin B12 may be included in amounts ranging from about 4 μg to about 6 μg. In another specific embodiment, vitamin B12 may be included in amounts ranging from about 4.5 μg to about 5.5 μg. In another embodiment, vitamin B12 may be included in an amount of about 5 μg.
The compositions and methods of the present invention may comprise or use vitamin C. The major biochemical role of water-soluble vitamin C is as a co-substrate in metal catalyzed hydroxylations. Like beta carotene, vitamin C has antioxidant properties. It interacts directly with superoxide hydroxyl radicals and singlet oxygen, and also provides antioxidant protection for folate and vitamin E, keeping vitamin E in its most potent form. Vitamin C may afford protective effects against preeclampsia by participating in the scavenging of free radicals. Indeed, significantly lower levels of vitamin C have been observed in preeclamptic women than in controls. Woods et al., 185(1) A
Vitamin C also enhances the absorption of iron. RDA, supra at 115. In addition, vitamin C is required for collagen synthesis, epinephrine synthesis, and bile acid formation. Moreover, vitamin C has been implicated in inhibiting atherosclerosis by being present in extracellular fluid of the arterial wall and potentiating nitric oxide activity, thus normalizing vascular function. In a specific embodiment of the present invention, vitamin C may be included in the form of ascorbic acid. In another specific embodiment, vitamin C may be included in amounts ranging from about 30 mg to about 90 mg. In another specific embodiment, vitamin C may be included in amounts ranging from about 48 mg to about 72 mg. In another specific embodiment, vitamin C may be included in amounts ranging from about 54 mg to about 66 mg. In another embodiment, vitamin C may be included in an amount of about 60 mg.
The compositions and methods of the present invention may comprise or use vitamin D3. Vitamin D3 is a fat-soluble “hormone like” substance important for the maintenance of healthy bones. This vitamin increases the absorption of calcium and phosphorous from the gastrointestinal tract, and improves mineral resorption into bone tissue. Vitamin D can be converted to its active form from exposure of the skin to sunlight. This fact is among the reasons why vitamin D deficiency is common in the elderly, notably the institutionalized, who spend little or no time out of doors. Deficiencies in vitamin D3 can lead to increased bone turnover and loss, and when severe, osteomalacia, or softening of the bones. Supplementation with vitamin D3 has been shown to moderately reduce bone loss, increase serum 25-hydroxyvitamin D, and decrease serum parathyroid hormone levels. Dawson-Hughes et al., 337 N
The compositions and methods of the present invention may comprise or use vitamin E. Vitamin E is a fat-soluble vitamin antioxidant found in biological membranes where it protects the phospholipid membrane from oxidative stress. Vitamin E inhibits the oxidation of unsaturated fatty acids by trapping peroxyl free radicals. It is also an antiatherogenic agent, and studies have demonstrated a reduced risk of coronary heart disease with increased intake of vitamin E. Stampfer et al., 328 N
The compositions and methods of the present invention may comprise or use iron. A primary function of iron is to carry oxygen to bodily tissues via the hemoglobin part of red blood cells. Supplemental intake of iron is critical to preventing anemia, a disorder associated with a variety of physiological states including, for example, pregnancy. Bothwell, 72(Supp.) A
The compositions and methods of the present invention may comprise or use magnesium. Magnesium is found primarily in both bone and muscle and is important for over 300 different enzyme reactions. A primary function of magnesium is to bind to phosphate groups in adenosine triphosphate (ATP), thereby forming a complex that assists in the transfer of ATP phosphate. Magnesium also functions within cells as a membrane stabilizer. Magnesium plays roles in nucleic acid synthesis, glycolysis, transcription of DNA and RNA, amino acid activation, membrane transport, transketolase reactions, and protein synthesis. James L. L. Groff et al., A
Magnesium is available in a variety of salts and can be included in the compositions and methods of the present invention in either chelated or nonchelated form. In one specific embodiment of the present invention, magnesium may be included in the form of magnesium oxide. In another specific embodiment, magnesium may be included in amounts ranging from about 12 mg to about 38 mg. In another specific embodiment, magnesium may be included in amounts ranging from about 20 mg to about 30 mg. In another specific embodiment, magnesium may be included in amounts ranging from about 22.5 mg to about 27.5 mg. In another embodiment, magnesium may be included in an amount of about 25 mg.
The compositions and methods of the present invention may comprise or use zinc. Zinc plays a role in numerous metabolic activities such as nucleic acid production, protein synthesis, and development of the immune system. There are more than 200 zinc metalloenzymes including aldolase, alcohol dehydrogenase, RNA polymerase, and protein kinase C. Zima et al., 17 B
The compositions and methods of the present invention may comprise or use a combination of the included vitamins and minerals just described, in either chelated or non-chelated form. The active ingredients are available from numerous commercial sources, and in several active forms or salts thereof, known to those of ordinary skill in the art. Hence, the compositions and methods of the present invention are not limited to comprising or using any particular form of the vitamin or mineral ingredient described herein.
In a specific embodiment of the present invention, specific vitamins and/or minerals may be excluded. For example, in a specific embodiment, the compositions and methods of the present invention may be substantially free of added vitamin A; substantially free of added beta carotene; substantially free of added alpha carotene; substantially free of added lutein; substantially free of added lycopene; substantially free of added zeaxanthin; substantially free of added vitamin B1; substantially free of added vitamin B2; substantially free of added vitamin B3; substantially free of added vitamin B4; substantially free of added vitamin B5; substantially free of added vitamin B6; substantially free of added vitamin B7; substantially free of added vitamin B8; substantially free of added vitamin B9; substantially free of added vitamin B10; substantially free of added vitamin B11; substantially free of added vitamin B12; substantially free of added vitamin C; substantially free of added vitamin D3; substantially free of added vitamin E; substantially free of added calcium; substantially free of added chromium; substantially free of added copper; substantially free of added magnesium; substantially free of added manganese; substantially free of added selenium; substantially free of added zinc; substantially free of added boron; substantially free of added odorless garlic; substantially free of added coenzyme Q-10; substantially free of added I-camitine; substantially free of added grape seed extract; substantially free of added green tea extract; substantially free of added quercetin; substantially free of added hawthorne berries; and/or substantially free of added alpha lipoic acid. In another embodiment of the present invention, the compositions are substantially free of other added vitamins and minerals.
A specific embodiment of the present invention may comprise swallowable compositions. Swallowable compositions are well known in the art and are those that do not readily dissolve when placed in the mouth and may be swallowed whole without any chewing or discomfort. In a specific embodiment of the present invention the swallowable compositions may have a shape containing no sharp edges and a smooth, uniform and substantially bubble free outer coating.
To prepare the swallowable compositions of the present invention, each of the active ingredients may be combined in intimate admixture with a suitable carrier according to conventional compounding techniques. In a specific embodiment of the swallowable compositions of the present invention, the surface of the compositions may be coated with a polymeric film. Such a film coating has several beneficial effects. First, it reduces the adhesion of the compositions to the inner surface of the mouth, thereby increasing the patient's ability to swallow the compositions. Second, the film may aid in masking the unpleasant taste of certain drugs. Third, the film coating may protect the compositions of the present invention from atmospheric degradation. Polymeric films that may be used in preparing the swallowable compositions of the present invention include vinyl polymers such as polyvinylpyrrolidone, polyvinyl alcohol and acetate, cellulosics such as methyl and ethyl cellulose, hydroxyethyl cellulose and hydroxylpropyl methylcellulose, acrylates and methacrylates, copolymers such as the vinyl-maleic acid and styrene-maleic acid types, and natural gums and resins such as zein, gelatin, shellac and acacia. Pharmaceutical carriers and formulations for swallowable compounds are well known to those of ordinary skill in the art. See generally, e.g., W
In a specific embodiment of the present invention, the compositions may comprise chewable compositions. Chewable compositions are those that have a palatable taste and mouthfeel, are relatively soft and quickly break into smaller pieces and begin to dissolve after chewing such that they are swallowed substantially as a solution.
In order to create chewable compositions, certain ingredients should be included to achieve the attributes just described. For example, chewable compositions should include ingredients that create pleasant flavor and mouthfeel and promote relative softness and dissolvability in the mouth. The following discussion describes ingredients that may help to achieve these characteristics.
Chewable compositions preferably have a pleasant or palatable flavor. Palatable flavors may be achieved by including sweetening agents and/or flavorants. Sweetening agents that may be included in the compositions of the present invention include, by way of example and without limitation, sucrose, fructose, high fructose corn syrup, dextrose, saccharin sodium, maltodextrin, aspartame, potassium acesulfame, neohesperidin dihydrochalcone, sucralose, monoammonium glycyrrhizinate, and others known to those of ordinary skill in the art. As used herein, the term “flavorant” means natural or artificial compounds used to impart a pleasant flavor and often odor to a pharmaceutical preparation. Flavorants that may be used in the present invention include, for example and without limitation, natural and synthetic flavor oils, flavoring aromatics, extracts from plants, leaves, flowers, and fruits and combinations thereof. Such flavorants include, by way of example and without limitation, anise oil, cinnamon oil, vanilla, vanillin, cocoa, chocolate, natural chocolate flavor, menthol, grape, peppermint oil, oil of wintergreen, clove oil, bay oil, anise oil, eucalyptus, thyme oil, cedar leave oil, oil of nutmeg, oil of sage, oil of bitter almonds, cassia oil; citrus oils, such as lemon, orange, lime and grapefruit oils; and fruit essences, including apple, pear, peach, berry, wildberry, date, blueberry, kiwi, strawberry, raspberry, cherry, plum, pineapple, and apricot. All of these flavorants are commercially available. In a specific embodiment of the present invention, flavorants that may be used include natural berry extracts and natural mixed berry flavor, as well as citric and malic acid. The amount of flavorants used may depend on a number of factors, including desired taste characteristics. While not necessary, one or more of these sweetening agents and/or flavorants also may be included in the swallowable compositions of the present invention.
In addition to having a palatable flavor, chewable compositions also should have a pleasant mouthfeel. A variety of ingredients can be included in the compositions of the present invention to enhance mouthfeel.
In the chewable compositions of the present invention, sugars such as white sugar, corn syrup, sorbitol (solution), maltitol (syrup), oligosaccharide, isomaltooligosaccharide, sucrose, fructose, lactose, glucose, lycasin, xylitol, lactitol, erythritol, mannitol, isomaltose, dextrose, polydextrose, dextrin, compressible cellulose, compressible honey, compressible molasses and mixtures thereof may be added to improve mouthfeel and palatability. Further, by way of example and without limitation, fondant or gums such as gelatin, agar, arabic gum, guar gum, and carrageenan may be added to improve the chewiness of the compositions. Fatty materials that may be included in the present invention include, by way of example and without limitation, vegetable oils (including palm oil, palm hydrogenated oil, corn germ hydrogenated oil, castor hydrogenated oil, cotton-seed oil, olive oil, peanut oil, palm olein oil, and palm stearin oil), animal oils (including refined oil and refined lard whose melting point ranges from 30° to 42° C.), Cacao fat, margarine, butter, and shortening.
Alkyl polysiloxanes (commercially available polymers sold in a variety of molecular weight ranges and with a variety of different substitution patterns) also may be used in the present invention to enhance the texture, the mouthfeel, or both of the chewable nutritional supplement compositions described herein. By “enhance the texture” it is meant that the alkyl polysiloxane improves one or more of the stiffness, the brittleness, and the chewiness of the chewable supplement, relative to the same preparation lacking the alkyl polysiloxane. By “enhance the mouthfeel” it is meant that the alkyl polysiloxane reduces the gritty texture of the supplement once it has liquefied in the mouth, relative to the same preparation lacking the alkyl polysiloxane.
Alkyl polysiloxanes generally comprise a silicon and oxygen-containing polymeric backbone with one or more alkyl groups pending from the silicon atoms of the back bone. Depending upon their grade, they can further comprise silica gel. Alkyl polysiloxanes are generally viscous oils. Exemplary alkyl polysiloxanes that can be used in the swallowable, chewable or dissolvable compositions of the present invention include, by way of example and without limitation, monoalkyl or dialkyl polysiloxanes, wherein the alkyl group is independently selected at each occurrence from a C1-C6-alkyl group optionally substituted with a phenyl group. A specific alkyl polysiloxane that may be used is dimethyl polysiloxane (generally referred to as simethicone). More specifically, a granular simethicone preparation designated simethicone GS may be used. Simethicone GS is a preparation which contains 30% simethicone USP. Simethicone USP contains not less than about 90.5% by weight (CH3)3—Si {OSi(CH3)2}CH3 in admixture with about 4.0% to about 7.0% by weight SiO2.
To prevent the stickiness that can appear in conventional chewable compositions and to facilitate conversion of the active ingredients to emulsion or suspension upon taking, the compositions of the present invention, may further comprise emulsifiers such as, by way of example and without limitation, glycerin fatty acid ester, sorbitan monostearate, sucrose fatty acid ester, lecithin and mixtures thereof. In a specific embodiment, one or more of such emulsifiers may be present in an amount of about 0.01% to about 5.0%, by weight of the administered compositions. If the level of emulsifier is lower or higher than the said range, the emulsification cannot be realized, or wax value will rise.
Chewable compositions should begin to break and dissolve in the mouth shortly after chewing begins such that the compositions can be swallowed substantially as a solution. The dissolution profile of chewable compositions may be enhanced by including rapidly water-soluble fillers and excipients. Rapidly water-soluble fillers and excipients preferably dissolve within about 60 seconds of being wetted with saliva. Indeed, it is contemplated that if enough water-soluble excipients are included in the compositions of the present invention, they may become dissolvable rather than chewable composition forms. Examples of rapidly water soluble fillers suitable for use with the present invention include, by way of example and without limitation, saccharides, amino acids and the like. In a specific embodiment, the saccharide may be a mono-, di- or oligosaccharide. Examples of saccharides which may be added to the compositions of the present invention include, by way of example and without limitation, sorbitol, glucose, dextrose, fructose, maltose and xylitol (all monosaccharides); and sucrose, lactose, glucose, galactose and mannitol (all disaccharides). Other suitable saccharides are oligosaccharides. Examples of oligosaccharides are dextrates and maltodextrins. Other water soluble excipients that may be used with the present invention include, by way of example and without limitation, amino acids such as alanine, arginine, aspartic acid, asparagine, cysteine, glutamic acid, glutamine, glycine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, proline, serine, threonine, tryptophan, tyrosine and valine.
Disintegrants also may be included in the compositions of the present invention in order to facilitate dissolution. Disentegrants, including permeabilising and wicking agents, are capable of drawing water or saliva up into the compositions which promotes dissolution from the inside as well as the outside of the compositions. Such disintegrants, permeabilising and/or wicking agents that may be used in the present invention include, by way of example and without limitation, starches, such as corn starch, potato starch, pre-gelatinized and modified starches thereof, cellulosic agents, such as Ac-di-sol, montmorrilonite clays, cross-linked PVP, sweeteners, bentonite, microcrystalline cellulose, croscarmellose sodium, alginates, sodium starch glycolate, gums, such as agar, guar, locust bean, karaya, pectin, Arabic, xanthan and tragacanth, silica with a high affinity for aqueous solvents, such as colloidal silica, precipitated silica, maltodextrins, beta-cyclodextrins, polymers, such as carbopol, and cellulosic agents, such as hydroxymethylcellulose, hydroxypropylcellulose and hydroxyopropylmethylcellulose.
Finally, dissolution of the compositions may be facilitated by including relatively small particles sizes of the ingredients used.
In addition to those described above, any appropriate fillers and excipients may be utilized in preparing the swallowable, chewable and/or dissolvable compositions of the present invention so long as they are consistent with the objectives described herein. For example, binders are substances used to cause adhesion of powder particles in granulations. Such compounds appropriate for use in the present invention include, by way of example and without limitation, acacia, compressible sugar, gelatin, sucrose and its derivatives, maltodextrin, cellulosic polymers, such as ethylcellulose, hydroxypropylcellulose, hydroxypropylmethyl cellulose, carboxymethylcellulose sodium and methylcellulose, acrylic polymers, such as insoluble acrylate ammoniomethacrylate copolymer, polyacrylate or polymethacrylic copolymer, povidones, copovidones, polyvinylalcohols, alginic acid, sodium alginate, starch, pregelatinized starch, guar gum, polyethylene glycol and others known to those of ordinary skill in the art.
Diluents also may be included in the compositions of the present invention in order to enhance the granulation of the compositions. Diluents can include, by way of example and without limitation, microcrystalline cellulose, sucrose, dicalcium phosphate, starches, lactose and polyols of less than 13 carbon atoms, such as mannitol, xylitol, sorbitol, maltitol and pharmaceutically acceptable amino acids, such as glycin, and their mixtures.
Lubricants are substances used in composition formulations that reduce friction during composition compression. Lubricants that may be used in the present invention include, by way of example and without limitation, stearic acid, calcium stearate, magnesium stearate, zinc stearate, talc, mineral and vegetable oils, benzoic acid, poly(ethylene glycol), glyceryl behenate, stearyl fumarate, and others known to those of ordinary skill in the art.
Glidants improve the flow of powder blends during manufacturing and minimize composition weight variation. Glidants that may be used in the present invention include, by way of example and without limitation, silicon dioxide, colloidal or fumed silica, magnesium stearate, calcium stearate, stearic acid, cornstarch, talc and others known to those of ordinary skill in the art.
Colorants also may be included in the nutritional supplement compositions of the present invention. As used herein, the term “colorant” includes compounds used to impart color to pharmaceutical preparations. Such compounds include, by way of example and without limitation, FD&C Red No. 3, FD&C Red No. 20, FD&C Yellow No. 6, FD&C Blue No. 2, D&C Green No. 5, FD&C Orange No. 5, D&C Red No. 8, caramel, and ferric oxide, red and others known to those of ordinary skill in the art. Coloring agents also can include pigments, dyes, tints, titanium dioxide, natural coloring agents, such as grape skin extract, beet red powder, beta carotene, annato, carmine, turmeric, paprika and others known to those of ordinary skill in the art. It is recognized that no colorant is required in the nutritional supplement compositions described herein.
If desired, the compositions of the present invention may be sugar coated or enteric coated by standard techniques. The unit dose forms may be individually wrapped, packaged as multiple units on paper strips or in vials of any size, without limitation. The swallowable, chewable or dissolvable compositions of the present invention may be packaged in unit dose, rolls, bulk bottles, blister packs and combinations thereof, without limitation.
The swallowable, chewable or dissolvable compositions of the present invention may be prepared using conventional methods and materials known in the pharmaceutical art. For example, U.S. Pat. Nos. 5,215,754 and 4,374,082 relate to methods for preparing swallowable compositions. U.S. Pat. No. 6,495,177 relates to methods to prepare chewable nutritional supplements with improved mouthfeel. U.S. Pat. No. 5,965,162, relates to compositions and methods for preparing multi-vitamin comestible units which disintegrate quickly in the mouth, especially when chewed. Further, all pharmaceutical carriers and formulations described herein are well known to those of ordinary skill in the art, and determination of workable proportions in any particular instance will generally be within the capability of the person skilled in the art. Details concerning any of the excipients of the invention may be found in W
Other objectives, features and advantages of the present invention will become apparent from the following specific examples. The specific examples, while indicating specific embodiments of the invention, are provided by way of illustration only. Accordingly, the present invention also includes those various changes and modifications within the spirit and scope of the invention that may become apparent to those skilled in the art from this detailed description. The invention will be further illustrated by the following non-limiting examples.
Without further elaboration, it is believed that one skilled in the art, using the preceding description, can utilize the present invention to the fullest extent. The following examples are illustrative only, and not limiting of the remainder of the disclosure in any way whatsoever.
A study is undertaken to evaluate the effectiveness of the compositions of the present invention in the treatment of patients. The objective of the study is to determine whether oral intake of the compositions results in an improvement of the nutritional status of patients with regard to the specific vitamins and minerals contained in the administered compositions.
A double-blind, placebo controlled study is conducted over a six-month period. A total of 120 subjects (60 pregnant women entering the second trimester of pregnancy and 60 lactating women), aged 20-35 years, are chosen for the study. An initial assessment of the nutritional status of each woman is conducted. Vitamin A, beta carotene and vitamin B6 are measured using high performance liquid chromatography. Erythrocyte transketolase activity is used to measure vitamin B1 levels. Vitamin B2 levels are determined by assessment of erythrocyte glutathione reductase activity. Vitamin B3 levels are assessed by measuring urinary excretion of N′methylnicotinamide and its pyridone. Vitamin B9 is measured by radioimmunoassay (RIA), specifically The Solid Phase No Biol Folic Acid Kit (Diagnostic Products, Los Angeles, Calif.). Vitamin B12 is measured by RIA using human intrinsic factor as a binder. Vitamin C levels are measured by spectrophotometric and colorimetric methods. Vitamin D is measured using an extraction double-antibody RIA (Dia Sorin, Inc., Stillwater, Minn.). The peroxide hemolysis test is used to determine vitamin E status. Iron levels are measured using standard spectrophotometry. Similarly, magnesium levels are measured by absorbance of a magnesium chelate with xylidl blue at 660 nM. Zinc levels are assessed using flame atomic absorption spectrometry (Perkins Elmer 460, Norwalk, Conn.).
The 120 subjects are separated into four separate groups of 30 women. In a first group comprising only pregnant women and in a second group comprising only lactating women, each subject is administered one dosage form of the composition as described in Example 1 twice a day. In a third group comprising only pregnant women and in a fourth group comprising only lactating women, each subject is administered one placebo dosage form twice a day. Thus, dosage form administration occurs every 12 hours. No other nutritional supplements are taken by the subjects during the assessment period.
An assessment of the nutritional status of each woman is conducted utilizing the methods described above at one month intervals for a six month period. The data is evaluated using multiple linear regression analysis and a standard t-test. In each analysis, the baseline value of the outcome variable is included in the model as a covariant. Treatment by covariani interaction effects is tested by the method outlined by Weigel & Narvaez, 12 C
A statistically significant improvement in the nutritional status of all vitamin and mineral levels measured is observed in the treated subjects over the controls upon completion of the study. Therefore, the study confirms that oral administration of the compositions of the present invention is effective in improving the nutritional status of patients.
While specific embodiments of the present invention have been described, other and further modifications and changes may be made without departing from the spirit of the invention. All further and other modifications and changes are included that come within the scope of the invention as set forth in the claims. The disclosure of all publications cited above are expressly incorporated by reference in their entireties to the same extent as if each were incorporated by reference individually.
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