100% Whey Protein Professional is an excellent quality ultrafiltered whey protein concentrate and whey protein isolate. Whey protein is considered the king of all bodybuilding proteins as it has the highest biological value (BV). Whey protein has great amino acid profile and higher BCAA (isoleucine, leucine, valine) concentration than any other protein source. The amino acid profile of this protein is excellent. It contains almost an aboundance of so called anabolic amino acids(BCAA’s, arginine, glutamine). 100% Whey Protein Professional contains approximatley 10% intact immunoglobulin protein microfraction that helps to support the body’s immune system. Whey protein also has the ability to enhance endogenous glutathione production. Glutathione is the most powerful naturally occurring anti-oxidant in the body. 100% Whey Protein Professional also contains quadrapeptides which have been shown to have a pain-killing effect, thus your soreness after an intense workout can be decreased.