Beyond raw - chemistry labs hmb powder. Increase performance - 30 servings beyond raw chemistry labs hmb powder: provides 3gm of lab grade hmb per serving. Hmb is a metabolite of leucine - a key branched-chain amino acid for muscle health. Support key muscle pathways: hmb stimulates muscle protein synthesis and inhibits muscle breakdown pathways, supplementing with hmb is essential since only about 5% of leucine is converted into hmb naturally. Clinically proven: scientifically proven to help protect muscles from exercise-induced damage and accelerate recovery and increase stamina. Be your own chemist: mix with your favorite beverage, add to your favorite pre-workout. Create your perfect formula using hmb powder other beyond raw chemistry labs products. Backed by science: since 1935, gnc has been committed to meeting the highest standards of quality, safety, and efficacy while applying the most up-to-date advances in nutritional science so you can live well. . Beyond raw chemistry labs hmb (30 servings)