Category Archives: Hydroxy-methyl-butyrate (HMB)

Does HMB Raise Testosterone Levels?

Posted on July 28, 2023 by Robert Barrington

Beta-hydroxy beta-methylbutyrate (HMB) is a metabolite of the essential and branched chain amino acid, leucine. HMB has become popular amongst strength athletes because evidence suggests that it can increase lean body mass. The mechanisms for this are not fully understood, … Continue reading →

Posted in Hydroxy-methyl-butyrate (HMB), Resistance Training, Testosterone | Comments Off on Does HMB Raise Testosterone Levels?

The Bioavailability of HMB

Posted on May 4, 2016 by Robert Barrington

β-hydroxy-β-methylbutyrate (HMB) is a metabolite of the essential and branched chain amino acid L-leucine. Leucine is metabolised to HMB in a two step reaction first to α-ketoisocaproate (KIC) and then to isovaleryl-CoA. This transamination pathway accounts for around 10 % … Continue reading →

Posted in Exercise, Hydroxy-methyl-butyrate (HMB), L-leucine, Leucine, Skeletal Muscle | Comments Off on The Bioavailability of HMB