Big Flex EAA Amino Acids Berry Fusion 450 Gm – Contains Essential Amino Acids including BCAA. our body cannot make essential amino acids. To acquire the same, protein consumption or supplementation is needed. Bigflex EAA supplies 9gms of EAA’S including 5gm of BCAA’S. Big Flex EAA Amino Acids Supports muscle growth recovery , enhances strength & performance. hydration complex with L-Taurine, Coconut water and himalayan pink salt ensures the body is fueled & hydrated. Additionally L – Theanine helps to improve mental focus.