Gymsupps BCAA 4:1:1 Instant 500g - blackcurrantIf you're looking for a way to support your training and improve recovery, you need to try our GymSupps BCAA 4: 1: 1 instant! It's a great gym companion that will help you reach your goals faster and more effectively. This BCAA (branched chain amino acid) consists of leucine, isoleucine, and valine in a great 4: 1: 1 ratio, which means you'll get a larger serving of leucine, which is key for building muscle and supporting recovery. GymSupps BCAA 4: 1: