USN s newly formulated Time Release Pure Protein is the flagship protein in the USN range. Its a complete engineered protein blend consisting of a precise mixture of whey protein isolate whey protein concentrate calcium caseinate egg albumen & soy protein isolate. Protein is the structural core of the human body & is at work in every single cell. Protein performs many essential functions in the body. It is required for growth & repair of tissues & aids in the transportation of nutrie