Contains 30g of high-quality protein using a triple release protein formula that delivers amino acids to your muscles as early as 20 minutes and lasts up to 4 hours, PROMAX contains protein that is proven to help you maintain and build muscle, Naturally provides 8.1g of the Branched Chain Amino Acids (leucine, isoleucine and valine) in every serving, MaxiNutrition only use proven, reliable ingredients with known scientific benefits in our products, Every batch of PROMAX is screened for banned substances and is registered with the Informed-Sport