Patent Grant
8808764
The present disclosure generally relates to methods and supplements for improving health in a subject.
The primary biological function of human growth hormone (hGH) includes stimulating growth, cell repair and regeneration. Once the primary growth period of adolescence concludes, the primary function of hGH in adulthood becomes that of cell regeneration and repair, helping regenerate skin, bones, heart, lungs, liver and kidneys to their optimal, youthful cell levels. As is the case with many of our other hormones or their pre-cursors, such as testosterone, estrogen, progesterone, DHEA and melatonin, hGH levels decline with age. Therapeutically, many of these hormones can be replaced to offset some of the effects of aging such as menopausal symptoms in women or erectile dysfunction in men.
The human body, like every other living entity, works on daily, or circadian, as well as monthly and annual rhythms. Daily growth hormone secretion diminishes with age with roughly half the levels at age forty that we had when we were twenty, and about one-third of those youthful levels at age sixty. In some sixty-year olds, the levels are as low as 25% of the hGH levels in a twenty-year old. Symptoms of aging include loss of muscle, increase of fat, decreased physical mobility, decreased energy levels and as a result, diminished socialization, diminished healing ability and an increased risk of cardiovascular disease and decreased life expectancy. Low hGH levels are associated with the aging process and early onset of disease. For example, Rosen and Bengtsson noted an increased death rate from cardiovascular disease in hGH deficient patients. (Rosen, T., Bengtsson, B. A., Lancet 336 (1990): 285-2880)
Until recently, hGH was available only in expensive injectable forms, and benefits from the restoration of hGH levels available only to those with the ability to pay. Most recently substances that can trigger the release of human growth hormone from an individual's own anterior pituitary gland have become available. These are generically referred to as secretagogues. Secretagogues have the ability to restore hGH levels, potentially to the levels found in youth. See, e.g., “Grow Young With hGH” by Dr. Ronald Klatz, President of the American Academy of Anti-Aging, published in 1997 by Harper Collin.
HGH-deficient adults have marked reductions in lean body mass, and within months of hGH treatment, gains in lean body mass, skin thickness and muscle mass are observed. (Cuneo R C et al. J Appl Physiol 1991; 70:695-700; Cuneo R C et al. J Appl Physiol 1991; 70:688-694; Rudman D et al. N Engl J Med 1969; 280:1434-1438).
It is well-established that intravenous (IV) administration of some amino acids results in significant hGH secretion. Intravenous infusion of 183 mg of arginine/kg body weight in females increased hGH levels ≧20-fold and 30 g of arginine elevated serum hGH levels 8.6 fold in males (Merimee T J et al. N Engl J Med 1969; 280:1434-1438; Alba-Roth J et al. J Clin Endocrinol Metab 1988; 67:1186-1189). Other amino acids, such as methionine, phenylalanine, lysine, histidine, and ornithine have also led to marked increases in hGH (Alba-Roth, Muller, Schopohl, & von Werder, 1988; Chromiak & Antonio, 2002; Gourmelen, M., M. Donnadieu, et al. (1972) Ann Endocrinol (Paris) 33(5): 526-528).
Given the difficulties in IV administration of amino acids for widespread use, interest in elucidating the hGH response to oral amino acid supplements prompted testing of such supplements containing mainly arginine, lysine and ornithine at varying amounts. Yet the pronounced variability in results among these studies make clear the complexities involved in the design of an effective supplement for supporting hGH levels in the general public. (Suminski RR et al. Int J Sport Nutr 1997; 7:48-60; Lambert M I et al. Int J Sport Nutr 1993; 3:298-305; Corpas E et al. J Gerontol 1993; 48:M128-M133; Isidori A et al. Curr Med Res Opin 1981; 7:475-481; Fogelholm G M et al. Int J Sport Nutr 1993; 3:290-297; Chromiak J A, Antonio J. Nutrition 2002 July; 18(7-8):657-61).
Described herein are nutritional supplements and methods for using the same. In embodiments, the nutritional supplement may be an amino acid secretagogue composition, which, when administered orally, stimulates the pituitary gland of a subject to release growth hormone (e.g., hGH).
Some embodiments include an oral nutritional supplement that comprises, for example and without limitation: L-arginine hydrochloride, Oxo-proline, L-lysine hydrochloride, and cysteine. Particular examples include an oral nutritional supplement that consists essentially of L-arginine hydrochloride, Oxo-proline, L-lysine hydrochloride, N-acetyl-L-cysteine, L-glutamine, and schizonepeta powder.
Certain embodiments herein include an oral nutritional supplement dosage form that consists of 0.86 mmol L-arginine; 1.32 mmol Oxo-proline; 2.05 mmol L-lysine; 1.53 μmol N-acetyl L-cysteine; 1.71 μmol L-glutamine; and 125 μg Schizonepta (aerial parts) powder. This oral nutritional supplement is referred to herein as “SeroVital™.” SeroVital™ may be orally administered in an amount of, for example, 2.9 grams (i.e., 4 unit dosage forms) to a human being, so as to stimulate the release of hGH in the human being. The nutritional supplement may be administered on a regular basis, such as a weekly or monthly intake at a dosage tailored to the subject's needs; i.e., the nutritional supplement may be administered regularly as multiples (1×, 2×, etc.) of the structural units (pills, tablets, capsules, etc.) in accordance with the needs of the subject.
Some embodiments include a method for increasing growth hormone (e.g., hGH) in a subject (e.g., a human subject) that comprises orally administering a nutritional supplement to a subject to improve one or more objective health metrics, including for example and without limitation: increasing lean body mass; reducing obesity, adipose tissue mass, and anxiety; supporting weight loss; decreasing appetite and atrophic processes in skeletal muscle, liver, kidney, spleen, skin, and bone; and improving at least one of energy, endurance, sleep, metabolism, heart rate, blood pressure, cardiovascular health, sympathetic nervous activity, thyroid response, glucose utilization, mental/cognitive function, reaction time, bone density, hair health and appearance, nail health and appearance, skin health and appearance, and libido.
The determination of an effective and safe oral functional blend that stimulates hGH secretion in the general population is important, since athletes, entertainers, and now the general public, seek effective hGH support supplements and understand hGH to have rejuvenating properties. Indeed, once partial to athletes and entertainers, the desire for effective supplements to provoke hGH increases now extends to the general public. Not only do they have a goal of building lean tissue and reducing fat, but also of improving skin quality and providing other rejuvenating qualities that hGH is understood to provide.
However, the literature on oral amino acids for use in stimulating hGH does not contain clear evidence for an optimized oral amino acid-containing blend able to stimulate hGH in the general public, including both men and women of a wide age range.
Embodiments herein provide a nutritional supplement for elevating growth hormone (e.g., hGH) release. Particular embodiments provide an amino acid-containing composition that is well tolerated, and may have the result of increasing or elevating hGH release in those individuals whose hGH release rates have slowed as a function of increasing age, or that have normal hGH levels but desire higher hGH levels. Although some existing nutritional supplements claim to impact the production of natural human growth hormone, there is a need for an improved nutritional supplement that efficiently enhances the production and effect of natural human growth hormone in the general population.
Some embodiments herein provide a nutritional supplement for use by a human being. In particular embodiments, the nutritional supplement is an amino acid secretagogue composition, which, when administered orally, may stimulate the pituitary gland to produce hGH. Increased production of hGH may result in inhibition of insulin depression; inhibition of hyperglycaemia and increase in insulin effectiveness; enhancement of fat conversion; lowering of cholesterol; and/or normalization of lipid balance. In examples, a supplement herein may function as a dietary supplement by assisting the body's own ability to secrete hGH naturally in a manner which is safe and effective. Such a supplement may provide growth hormone therapy in a more affordable manner than existing compositions and methods, for example, injectable hGH compositions.
Particular embodiments herein include an oral nutritional supplement that comprises L-lysine, L-arginine, oxo-proline, and one of cysteine and glutamine. In some examples, a supplement herein may comprise both cysteine and glutamine and/or schizonepeta powder. In particular examples, a functional dosage includes the L-arginine at a level between about 0.1-6 moles and the oxo-proline between about 0.1-8 moles, and/or the L-lysine in an amount between about 0.1-12 moles. In particular examples, the cysteine and/or glutamine may be contained at a level between about 0.001-6 moles.
Cysteine may be present in a supplement according to particular embodiments as n-acetyl L-cysteine, and the glutamine may be L-glutamine. Amino acids in a nutritional supplement herein may be delivered as non-toxic salts thereof, effective complexes thereof, stable chelates thereof, active esters thereof, functional derivatives thereof, and mixtures thereof which are effective to increase hGH levels in a subject from the general population.
Particular embodiments herein include an oral nutritional supplement that consists essentially of L-lysine (e.g., L-lysine HCl), L-arginine (e.g., L-arginine HCl), oxo-proline, N-acetyl-L-cysteine, L-glutamine, and schizonepeta (aerial parts) powder. In particular examples, a functional dosage includes L-arginine at a level between about 0.1-6 moles and oxo-proline between about 0.1-8 moles, and/or L-lysine in an amount between about 0.1-12 moles. n-acetyl L-cysteine and/or L-glutamine may be comprised in some exemplary supplements at a level between about 0.001-6 moles. In particular examples, a functional dosage includes L-arginine at a level between about 2.5-4.5 moles and oxo-proline between about 4-6 moles, and/or L-lysine in an amount between about 7-9 moles. N-acetyl L-cysteine and/or L-glutamine may be comprised in some exemplary supplements at a level between about 0.001-0.5 moles.
Certain embodiments herein include an oral nutritional supplement dosage form that consists of 0.86 mmol L-arginine; 1.32 mmol Oxo-proline; 2.05 mmol L-lysine; 1.53 μmol N-acetyl L-cysteine; 1.71 μmol L-glutamine; and 125 μg Schizonepta (aerial parts) powder (SeroVital™). Thus, an oral nutritional supplement dosage form may consist of 181.38 mg L-arginine HCl; 170.93 mg L-pyroglutamic acid; 374.83 mg L-lysine HCl; 0.25 mg N-acetyl L-cysteine USP; 0.25 mg L-glutamine; and 0.125 mg Schizonepta (aerial parts) powder, for example, in a capsule. In some examples, the oral nutritional supplement may be administered to a human being by orally administering 4 such dosage forms (i.e., 725.50 mg L-arginine HCl; 683.70 mg L-pyroglutamic acid; 1499.30 mg L-lysine HCl; 1.00 mg N-acetyl L-cysteine USP; 1.00 mg L-glutamine; and 0.50 mg Schizonepta (aerial parts) powder).
Some embodiments herein provide a method for increasing human growth hormone in humans that comprises orally administering a nutritional supplement for elevating growth hormone release to a healthy human being. As used herein, a “healthy human being” refers to a human being having any age-related decline in hGH, excluding any physiological deficiency that is not age-related. Particular embodiments include oral administration of a nutritional supplement for elevating growth hormone release to a human that is at least 30 years old.
A nutritional supplement for elevating growth hormone release may be orally administered to a human being to improve health, including by: increasing lean body mass; reducing obesity, adipose tissue mass, and anxiety; supporting weight loss; decreasing appetite and atrophic processes in skeletal muscle, liver, kidney, spleen, skin, and bone; and improving energy, endurance, sleep, metabolism, heart rate, blood pressure, cardiovascular health, sympathetic nervous activity, thyroid response, glucose utilization, mental/cognitive function, reaction time, bone density, hair health and appearance, nail health and appearance, skin health and appearance, and libido.
In certain examples, oral administration of a nutritional supplement for elevating growth hormone release may improve hair and/or nail thickness, length, and/or growth. Oral administration of a nutritional supplement for elevating growth hormone release may improve wound healing, provide anti-aging skin properties, reduce wrinkles, dark spots, discolorations, dullness, sagging, laxity, and thinning, and may further improve texture, luminosity, “lift,” tone, radiance, smoothness, uniformity, and youthful look of skin.
A nutritional supplement for elevating growth hormone release may also be used in combination with testosterone or testosterone-boosting supplements to enhance the effect of the nutritional supplements disclosed herein.
In accordance with the “consist essentially of” and “consisting essentially of” language herein, a nutritional supplement for elevating growth hormone release in some embodiments is essentially limited to the aforementioned ingredients, and does not include any additional active ingredients intended to add nutritional content (e.g., vitamins, minerals, etc.), but may include additional ingredients not intended to add nutritional content, for example, ingredients intended to fulfill a non-nutritional purpose (e.g., coloring, fillers, flavoring, an ingredient for maintaining the structural form, etc.).
Each ingredient of a nutritional supplement for elevating growth hormone release may be prepared in accordance with any method known to one of ordinary skill in the art. Alternatively, each ingredient may be obtained in a fully-prepared from a commercially available source.
A nutritional supplement for elevating growth hormone release may be in any suitable oral administration form, including but not limited to: a chewable form, a liquid form, a spray form, a capsule form, a suppository form, dissolvable wafer, and a powder form. In some embodiments, a dosage form of the nutritional supplement may be present in an amount of about 2.9 grams.
Irrespective of the structural form of the nutritional supplement for elevating growth hormone release, the ingredients of the nutritional supplement may be distributed homogeneously or non-homogeneously within the nutritional supplement.
A nutritional supplement for elevating growth hormone release may be ingested on a regular basis, such as a daily or weekly intake at a dosage tailored to an individual's needs; i.e., the nutritional supplement is to be taken regularly as multiples (1×, 2×, etc.) of the dosage form (e.g., pills, tablets, capsules, etc.) in accordance with the needs of the individual. For example, a senior citizen leading a sedentary life is likely to need higher daily doses than does a young person engaged in regular strenuous exercise (e.g., a weight lifter). Alternatively, the nutritional supplement for elevating growth hormone release may be ingested on an as-needed basis at a dosage tailored to the individual's needs. Medical or nutritional counseling may be beneficial for arriving at a desirable or optimal dosage tailored to the individual's needs. The nutritional supplement may be administered, for example, from one to three times daily, or, by way of further example, the supplement may be administered every other day, or once a week. In particular embodiments, the nutritional supplement may be administered on an empty stomach.
In embodiments, a nutritional supplement for elevating growth hormone release comprises a particular combination of types of amino acids, mass ranges, and specific formulations that have been selected to be synergistically-balanced and of adequate quantity to achieve a desired physiological effect; i.e., growth hormone release Improper combinations of the same amino acids may be ineffective. The component amino acids may be synergistic in the sense that several of them, when combined together, synergistically stimulate the release of human growth hormone. The combination of amino acids in particular embodiments was also chosen to reduce or inhibit chemical combination or reaction between the amino acids.
The short-term effects of a single oral nutritional supplement on hGH levels 2 hours post ingestion was studied 16 healthy subjects [12 males, 4 females; 9 Caucasian, 6 African American, 1 other; mean age=32±14 years; body mass index=26.4±5.0 ranging from 19.1 to 36.8 kg/m2]. Each subject reported to the Inpatient Unit on two occasions one week apart. After an overnight fast, subjects had an IV line placed and baseline bloods samples were drawn at −30, −15, and 0 minutes.
Subjects were then asked to swallow the capsules of supplement (SeroVital™) or an identical looking placebo. SeroVital™ is a 2.9 g/dose blend of L-lysine HCl, L-arginine HCL, oxo-proline, N-acetyl-L-cysteine, L-glutamine, and schizonepeta (aerial parts) powder. Blood was drawn at 15, 30, 60 and 90 and 120 minutes for assay. Human GH was measured at each time point using the Siemens Immulite™ 2000 (intra-assay CV was 3.72%, inter-assay CV was 5.70%, and the detection limit for GH was 0.05 ng/mL. The −15 and 120 minute time points were additionally assayed for triiodothyronine (T3) as informative for mechanistic investigations.
The mean growth hormone increased 682% after the supplement from 0.17 at baseline to 1.33 ng/mL at 120 minutes, compared to a mean decrease of 52% after the placebo from 0.93 to 0.45 ng/mL.
The mean change in GH levels from baseline to 120 minutes (GH at 120 minutes minus GH at 0 minutes), was 1.15 (95% CI: 0.17, 2.14) ng/mL after the supplement, versus −0.48 (−1.47, 0.50) ng/mL after the placebo, demonstrating a statistically-significant differential effect (P=0.01). After the supplement, the mean AUC for GH across 120 minutes was 20.43 (95% CI: 19.90, 20.95) ng/mL/min which was significantly higher (P=0.04) than placebo at 19.67 (18.74, 20.59) ng/mL/min. Overall, 120 minutes after taking the supplement, GH levels were significantly higher in absolute levels or by AUC.
As daily circadian levels of T3 naturally decrease during the morning hours, at which the current trial was scheduled, it was not surprising that placebo levels between the −15 and 120 minute time points decreased by −6.10 ng/dL (106 to 100 ng/dL, P=0.01). In contrast, the SeroVital™ group exhibited a deceased reduction in T3 by nearly one-half over the same time course, −3.3 ng/dL (101−97.3 ng/dL, NS), which was not a significant reduction compared to baseline, as was the reduction in the placebo group. These results affirm that somatostatin inhibition plays a mechanistic role in the ability of SeroVital™ to induce significant increases in serum GH levels in human subjects.
At 120 minutes, GH concentrations were 2-fold higher in women (2.3±1.1 ng/mL, n=4) than in men (1.0±0.4 ng/mL, n=12, although the study was not adequately powered for these comparisons. Nevertheless, these findings support an enhanced effect of the SeroVital™ supplement in women.
An eight-fold increase was observed, equivalent to 682%, in GH levels 120 minutes after a single oral supplement of SeroVital™. The study had a broad range of ages and BMI's and included both genders. An additional advantage of the present study over previous GH evaluations is that it contained a placebo control group and was randomized and double-blinded.
These findings demonstrate that a specialized low-dose amino acid supplement can significantly increase short-term GH levels. Future studies will examine whether such increases in GH with oral amino acid supplementation increase fat-free mass and strength. This indeed may be the case, since elderly subjects administered oral GH secretagogues for 6 and 12 months have sustained increases in lean body mass and improved physical function.
The absolute magnitudes of these results are somewhat difficult to directly correlate among past studies, as commercial GH assays use different antibodies to target specific GH epitopes. Therefore, different antibodies and assays are less likely to recognize some specific isoforms and fragments of the GH molecule. This results in variability of the normal range of the GH measurements in different assays. Indeed, the same GH sample measured using different assays can vary 2-3 fold, limiting the ability to compare actual GH levels across studies. Nevertheless, the mean levels of GH reached after the subcutaneous injection of 0.06 IU of HGH in the treatment of GH deficient subjects was 0.4 ng/mL, a value that was clearly in the range of values seen in our study with oral amino acids.
Findings obtained from a randomized, blinded, placebo-controlled study strengthen the evidence that oral administration of amino acids, when compounded properly, can increase GH serum levels, wherein SeroVital™ administration showed an 8-fold increase, equivalent to a 682% increase in GH levels, 120 minutes after a single oral dose. In addition, we elucidate some mechanistic details for these significant GH increases as through somatostatin inhibition, supported by our results on the 120 minute results on T3 levels in the same subjects.
To test the effect of the nutritional supplement on endurance and fat metabolism, a double-blind clinical study was conducted involving 12 healthy subjects [7 males, 5 females; mean age=31±6 years; body mass index=25.7±3.8 ranging from 20.3 to 32.2 kg/m2]. Each subject reported to the Fitness Testing Facility (PEAK, University of Utah College of Health) after an overnight fast. Upon arrival, each subjects underwent standard measurements of weight, height, body fat percent (Bod Pod), and resting metabolic rate (RMR, indirect calorimerty). Daily calorie expenditure was estimated based on the additive evaluations of measured RMR, estimated Lifestyle and Activity (defined as the number of calories burned performing daily activities including working, playing eating, etc), and estimated Exercise (defined as an estimate of the number of calories burned during exercise based on daily activity level). Following the baseline measurements, subjects then consumed a standard breakfast (Egg McMuffin, 300 Calories; 12 g fat; 29 g carbohydrates; 18 g protein). Subjects rested for a further 45 minutes to reach a post-absorptive state, then underwent a Maximal Aerobic Fitness Test of graded exercise, completed on a treadmill. Subjects' oxygen uptake was measured using a metabolic cart, and VO2max was quantified.
Subjects were then provided a two week supply of a novel supplement SeroVital™ (2.9 g/dose blend of L-lysine HCl, L-arginine HCl, oxo-proline, N-acetyl-L-cysteine, L-glutamine, and schizonepeta (aerial parts) powder). The novel SeroVital™ increases serum human growth hormone hGH levels by 8 times (equivalent to 682%) 120 minutes after a single dose in healthy male and female volunteers. In this study, subjects were instructed to consume one dose of the supplement on an empty stomach, two hours after dinner prior to bedtime, every night for the two-week study duration.
Following the final dose, each subject returned to the PEAK Fitness Testing Facility, University of Utah College of Health after an overnight fast (without having consumed their last dose of the supplement since the previous night). Upon arrival, each subjects underwent the identical test protocols as the baseline test day. The data from the two measurement days were then analyzed. Consistent with the hypothesis that the supplement would increase improve endurance parameters with its ability to increase in hGH levels, the decision was made to reject the null only if the data supported the one directional alternative consistent with a favorable response to the supplement. Statistical significance was assumed for P≦0.05.
Mean VO2max increased by 6% from 44.9±8.1 at baseline to 47.7±9.2 mL/kg/min (3.69±0.96 to 3.91±1.02 L/min), demonstrating a statistically significant differential effect compared to baseline (P=0.02). After the period of supplementation with SeroVital™, the mean RMR increased by 2.7% from 1687±330 to 1733±288 kcal/day with a statistical trend towards significance compared to baseline (P=0.165). Estimated daily calorie expenditure also increased by 2.7% from 1687±330 to 1733±288 kcal/day with the trend towards significance (P=0.166).
After two weeks of supplementation with the supplement SeroVital™, (taken on an empty stomach, two hours after dinner prior to bedtime, every night), both RMR and estimated daily calorie expenditure tended to increase, evidencing the potential of the supplement to impart long-term fat burning effects. Additionally, endurance as measured by VO2max in the post-absorptive state significantly improved with a measured 6% increase. Overall, the SeroVital™ supplement was shown to increase parameters of endurance, energy, and vitality.
To test the ability of the nutritional supplement to improve sleep, a double-blind clinical study was conducted involving 15 healthy subjects [10 males, 5 females; mean age=33±7 years]. Each subject completed a baseline Epworth Sleepiness Scale self-report questionnaire and a standardized assay of usual sleep habits. All subjects were deemed to have average sleep parameters within a normal range.
The subjects were then provided a three week supply of a novel supplement SeroVital™ (2.9 g/dose blend of L-lysine HCl, L-arginine HCl, oxo-proline, N-acetyl-L-cysteine, L-glutamine, and schizonepeta (aerial parts) powder). The novel SeroVital™ blend increases serum human growth hormone hGH levels by 8 times (equivalent to 682%) 120 minutes after a single dose in healthy male and female volunteers.
We investigated sleep patterns with continued use of the supplement when taken on an empty stomach, two hours after dinner prior to bedtime, every night for three weeks. On each trial day, subjects reported 1) time went to bed; 2) time of final wakening; 3) estimated time to fall asleep; 4) time of awakening during sleep/length of time awake. Data was compiled by day for estimated time to fall asleep and length of time awake during sleep in order to assess sleep efficiency. Daily values for each measure were plotted as an average (±S.D.) among the subjects over the time course of the study, and a linear regression was tabulated to assess overall trends over time. All available data was included in the analysis.
Linear regression analysis showed that both estimated time to fall asleep (
To test the effect of the nutritional supplement on lean body mass and weight change of humans, healthy men and women between the ages of 30 to 80 years are recruited through advertisements. Standardized assessment criteria are used to select subjects at risk for functional decline (e.g., hand grip strength, habitual gait speed, etc.). Additionally, subjects are excluded for diabetes mellitus, use of anticoagulants, seizure disorder, cancer treatment within five years, poorly controlled hypertension, unstable or recent onset angina, myocardial infarction within 6 months, cognitive impairment, depression, significant limitations of lower extremity function, bradycardia, systolic blood pressure <100 or >170 mm Hg, or orthostatic hypotension. Subjects participating in strength training programs were also excluded.
Subjects are given daily doses of the nutritional supplement for 6 months at different dosing concentrations of active ingredients, and one group is treated as a placebo group. The study includes a pre-screening assessment, screening and baseline visits, and weekly visits over the planned 6 months, where weight, body composition, and physical performance (including endurance) are determined, along with hormonal data analysis. Weight, percent lean body mass, and percent fat body mass are chosen as primary measures of body composition at the 6 month analysis period.
To test the effect of the nutritional supplement on energy, bone density, skin thickness, and mass of adipose tissue of healthy men over 60 years old are recruited through advertisements. Standardized assessment criteria are used to select subjects at risk for functional decline (e.g., hand grip strength, habitual gait speed, etc.). Entry criteria includes body weight of 90 to 120 percent of the standard for age. Additionally, subjects are excluded for diabetes mellitus, use of anticoagulants, seizure disorder, cancer treatment within five years, poorly controlled hypertension, unstable or recent onset angina, myocardial infarction within 6 months, cognitive impairment, depression, significant limitations of lower extremity function, bradycardia, systolic blood pressure <100 or >170 mm Hg, or orthostatic hypotension. Subjects participating in strength training programs were also excluded.
Subjects are given daily doses of the nutritional supplement for 6 months at different dosing concentrations of active ingredients, and one group is treated as a placebo group. The study includes a pre-screening assessment, screening and baseline visits, and weekly visits over the planned 6 months, where lean body mass, mass of adipose tissue, skin thickness, and bone density at various skeletal sites are measured. Subjects are also monitored for changes in energy levels throughout the experiment.
To test the effect of the nutritional supplement on anxiety and sleep, healthy men and women between the ages of 30 to 80 years are recruited through advertisements. Subjects are interviewed by a psychiatrist using the Structured Clinical Interview for DSM-III-R or analogous method. Patients are all drug free. The study focuses on the evaluation of anxiety, sleep patterns, and measurement of basal morning stress hormone levels at various points during the 6 month testing period.
Subjects are given daily doses of the nutritional supplement for 6 months at different dosing concentrations of active ingredients, and one group are treated as a placebo group. The study includes a pre-screening assessment, screening and baseline visits, and weekly visits over the planned 6 months, where anxiety assessment (e.g., Hamilton Anxiety Rating Scale), and anxiety and stress hormone levels (e.g., cortisol and GH) are determined, and sleep study analysis are conducted.
While embodiments of the present invention have been described herein for purposes of illustration, many modifications and changes will become apparent to those skilled in the art. Accordingly, the appended claims are intended to encompass all such modifications and changes as fall within the true spirit and scope of this invention.
This application is a continuation of U.S. patent application Ser. No. 13/623,110, filed Sep. 20, 2013, which will issue as U.S. Pat. No. 8,551,542 on Oct. 8, 2013, the disclosure of which is hereby incorporated herein by this reference in its entirety.
| Number | Name | Date | Kind |
|---|---|---|---|
| 6346264 | White | Feb 2002 | B1 |
| 6368617 | Hastings et al. | Apr 2002 | B1 |
| 20040063608 | Mowrey et al. | Apr 2004 | A1 |
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| Number | Date | Country | |
|---|---|---|---|
| 20140079832 A1 | Mar 2014 | US |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 13623110 | Sep 2012 | US |
| Child | 14048998 | US |
