gnc pro performance essential amino complete, blueberry acai, 15.87 oz, supports muscle recovery gnc results essential amino acids eaa, including branched chain amino acids bcaa, cannot be made by the body and therefore must be obtained through your diet. these amino acids are crucial to lean muscle maintenance and for helping reduce muscle protein breakdown. essential amino complete contains 5 grams of bcaa in an optimal 21 ratio to support protein synthesis, plus an additional 5 grams of eaa for muscle recovery and electrolytes for hydration. quality essential amino complete is tested and certified banned substance free. it tastes amazing, contains no sugar and mixes easily with a simple stir, shake or blend. usage benefits during workout - hydrates and fuels muscles. post-workout - supports recovery. non-training days - may be used to support muscle protein synthesis and help reduce muscle protein breakdown.