Beyond raw - chemistry labs l-leucine powder. Fuels muscles - 30 servings give gains a boost with bcaa: beyond raw chemistry labs l-leucine provides 3g of lab grade l-leucine powder per serving. L-leucine is a branched-chain amino acid and it the most-important bcaa for stimulating muscle protein synthesis^. Fuel muscle & support recovery: l-leucine fuels muscle cells to avoid muscle protein synthesis breaking down during exercise, plus it s recovery and repair after training. Send the right signal: emerging research indicates leucine up-regulates multiple genetic signaling pathways involved in rapid increases in muscle protein synthesis. Be your own chemist: beyond raw chemistry labs l-leucine is unflavored—so you can mix it with your favorite beverage or add to your pre-workout. Create your own perfect formula using l-leucine powder and additional beyond rawchemistry 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. ^when used in conjunction with exercise. . Beyond raw chemistry labs l-leucine (30 servings)