beta-hydroxy beta-methylbutyric acid, hmb, beta-hydroxyisovaleric acid molecule. it is indicator of biotin deficiency, leucine

acid alfalfa atom atomic ball beta betahydroxy betahydroxyisovaleric betamethylbutyric bodybuilding butyrate butyric carbon chemical chemistry formula grapefruit hmb hydrogen hydroxyisovaleric illustration leucine mass methylbutyrate methylbutyric molecular molecule muscle nutritional organic oxygen render rendering structural structure supplement valeric