Optimum Nutrition | Bcaa 1000 - Amino Acids 2:1:1 Ratio 200 Caps Branch Chain Optimum Nutrition | On Bcaa 1000 - 200 Caps Grouping L-Leucine, L-Isoleucine And L-Valine Provides A Perfect Bcaa Blend Which Is Essential To Provide Your Body With The Tools To Prepare And Improve. Used For Many Years By Strength And Athletic Trainers To Activate Muscle Synthesis As Well As Reduce Muscle Breakdown. Bcaa 1000 Contains A Potent Balance Of Branched Chain Amino Acids Which Are Building Blocks Of Muscle Mass And Size. Put To Work Directly In The Muscle, Bcaas, May Improve Nitrogen Retention By Sparing Other Amino Acid Groups For Repair And Rebuilding. The Branched Chain Amino Acids (Bcaas) Are Essential In That The Body Cannot Make Them From Other Compounds. Bcaas Have Been Studied In Their Effectiveness For Preventing Muscle Breakdown And Muscle Building. | Bcaa 1000 - Amino Acids 2:1:1 Ratio 200 Caps