Supports recovery from high-intensity exercisePromotes muscle growth and strengthFree of gluten, sugar, and salt When it comes to hitting your goals, recovery is just as important as putting in work at the gym. BodyTech HMB + Vitamin D3 capsules have your back, combining the powerful metabolite beta-hydroxy-beta-methyl butyrate (HMB) with vitamin D3 to promote post-workout recovery, lean muscle mass, and strength gains. Frequently Asked Questions What exactly is HMB?HMB is a metabolite of the branched-chain amino acid (BCAA) leucine. Leucine supports muscular growth and repair.