BullPharm BCAA 4:1:1 Powder supplements crucial amino acids that regulate muscle growth and repair. It is made using fermented BCAA powder, which helps in igniting muscle protein synthesis and fuels muscle growth. It helps in enhancing muscle anabolism and supports recovery. The BCAA 4:1:1 is extracted from vegetable-based raw materials and fermented to make the cleanest and purest end product.