Nutrition & Health OnLine Magazine: Latest Research


LATEST RESEARCH
By Davey Dunn

HOW DOES HMB SUPPLEMENTATION EFFECT BODY COMPOSITION, STRENGTH AND MUSCLE CATABOLISM?
A study done at the University of Memphis examined the effects of HMB (as the calcium salt) supplementation during resistance training (6.9+/-0.7 hr x wk(-1)) on markers of catabolism, body composition and strength in experienced resistance-trained males. Subjects were divided into groups that received fortified carbohydrate/protein powder containing either 0, 3 or 6 g x d(-1) of calcium HMB. The study concluded that that 28 d of HMB supplementation (3 to 6 g x d(-1)) during resistance-training does not reduce catabolism or affect training-induced changes in body composition and strength in experienced resistance-trained males.

COMMENTARY: I have been waiting for some legitimate research to come out on HMB. This study seems to reinforce what a lot of us have already suspected that HMB does very little to aid in muscle growth or prevent muscle breakdown. I have felt for a while that HMB supplements were a rip-off (read the product review on Betagen) and this study just helps reinforce my conclusion.
WHAT CAN WE LEARN FROM THIS STUDY? Do not waste your money on HMB. There are plenty of much less expensive products on the market that yield real results like Creatine. Why spend a small fortune on a product that does not work?

Kreider RB. et al. Effects of calcium beta-hydroxy-beta-methylbutyrate (HMB) supplementation during resistance-training on markers of catabolism, body composition and strength. Int J Sports Med 1999 Nov;20(8):503-9.

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