Xtend is the ultimate， sugar-free， BCAA-containing drink mix to be consumed during exercise (intra-workout).;Xtend contains an incredible 7000 mg of BCAAs in an ideal 2:1:1 ratio of leucine:isoleucine:valine;Xtend contains an incredible 3500 mg of leucine;Xtend contains an incredible 2500 mg of glutamine;Xtend contains an incredible 1000 mg of citrulline Malate