BCAA Pro is a superior branched-chain amino acid (BCAA) supplement containing the scientifically proven 2:1:1 ratio of leucine, isoleucine and valine. Led by leucine, the trigger of the anabolic drive, this trio of protein building blocks is proven to build muscle, maintain lean mass when in a caloric deficit, improve endurance and boost recovery - properties absolutely vital to dedicated physique artists of all levels of experience. With this fact in mind, Universal once again responds to the demands of the massive masses with their properly dosed, conveniently encapsulated new supplement, BCAA Pro. Each serving of BCAA Pro provides bodybuilders and strength training athletes with ideal support to get them through the toughest of weight training sessions.