BCAA Powder by THE PROTEIN WORKS is ideal for anyone wanting to boost their biceps and step up their game in the gym. Made from the optimal 2: 1:1 ratio of Leucine, Isoleucine and Valine, BCAAs are renowned for their muscle building qualities, along with their ability to prevent muscle loss. Can be taken as a pre workout BCAA shake, during training as an intra workout shake and post workout. THE PROTEIN WORKS Branched Chain Amino Acid powder has also been shown to increase protein synthesis by 33%, allowing your muscle to repair and grow with ease. Click on the product to see full information for your absolute peace of mind.