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International Society of Sports Nutrition Position Stand: Beta-hydroxy-beta-methylbutyrate (HMB)
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نویسنده
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wilson j.m. ,fitschen p.j. ,campbell b. ,wilson g.j. ,zanchi n. ,taylor l. ,wilborn c. ,kalman d.s. ,stout j.r. ,hoffman j.r. ,ziegenfuss t.n. ,lopez h.l. ,kreider r.b. ,smith-ryan a.e. ,antonio j.
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منبع
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journal of the international society of sports nutrition - 2013 - دوره : 10 - شماره : 0
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چکیده
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Position statement: the international society of sports nutrition (issn) bases the following position stand on a critical analysis of the literature on the use of beta-hydroxy-beta-methylbutyrate (hmb) as a nutritional supplement. the issn has concluded the following. 1. hmb can be used to enhance recovery by attenuating exercise induced skeletal muscle damage in trained and untrained populations. 2. if consuming hmb,an athlete will benefit from consuming the supplement in close proximity to their workout. 3. hmb appears to be most effective when consumed for 2 weeks prior to an exercise bout. 4. thirty-eight mg·kg·bm-1 daily of hmb has been demonstrated to enhance skeletal muscle hypertrophy,strength,and power in untrained and trained populations when the appropriate exercise prescription is utilized. 5. currently,two forms of hmb have been used: calcium hmb (hmb-ca) and a free acid form of hmb (hmb-fa). hmb-fa may increase plasma absorption and retention of hmb to a greater extent than hmb-ca. however,research with hmb-fa is in its infancy,and there is not enough research to support whether one form is superior. 6. hmb has been demonstrated to increase lbm and functionality in elderly,sedentary populations. 7. hmb ingestion in conjunction with a structured exercise program may result in greater declines in fat mass (fm). 8. hmb's mechanisms of action include an inhibition and increase of proteolysis and protein synthesis,respectively. 9. chronic consumption of hmb is safe in both young and old populations. © 2013 wilson et al.; licensee biomed central ltd.
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آدرس
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department of health sciences and human performance,university of tampa,tampa,fl, United States, division of nutritional sciences,university of illinois,urbana,il, United States, exercise and performance nutrition laboratory,dept. of physical education and exercise science,university of south florida,4202 e. fowler avenue,ped 214,tampa,fl 33620, United States, department of nutritional sciences,rutgers,state university of new jersey,new brunswick,nj, United States, laboratory of applied nutrition and metabolism physical education,school of sports,university of são paulo,são paulo, Brazil, human performance laboratory,exercise and sport science department,university of mary hardin-baylor,belton,tx,76513, United States, human performance laboratory,exercise and sport science department,university of mary hardin-baylor,belton,tx,76513, United States, miami research associates,endocrinology and nutrition department,6141 sunset drive - suite 301,miami,fl,33143, United States, institute of exercise physiology and wellness,university of central florida,orlando,fl,32816, United States, institute of exercise physiology and wellness,university of central florida,orlando,fl,32816, United States, center for applied health sciences,stow,oh 44224, United States, center for applied health sciences,stow,oh 44224,united states,supplement safety solutions,bedford,ma, United States, exercise and sport nutrition lab,department of health and kinesiology,texas a and m university,college station,tx, United States, applied physiology laboratory,department of exercise and sport science,university of north carolina chapel hill,chapel hill,nc,27599-8605, United States, exercise and sports science,nova southeastern university,davie,fl,33314, United States
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Authors
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