Beta-hydroxy-beta-methylbutyrate, abbreviated HMB, is found naturally in living matter as a metabolite of the essential amino acid L-leucine.There is preliminary evidence suggesting HMB may have anticatabolic, as well as immunomodulatory, properties. As a nutritional supplement, it is popular among athletes engaged in strenuous physical activity. HMB is also known as hydroxymethylbutyrate, beta-hydroxyisovalerate and 3-hydroxyisovalerate.
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Products containing HMB
Cautions Pregnant and nursing women should avoid use of HMB.