now foods sports whey protein vanilla Protein 908gr An essential macronutrient, protein is used by the body for almost all of its functions. Whey is a natural byproduct of the cheese-making industry. It is the liquid that remains when milk is processed to make cheese. This liquid is then filtered and turned into a pure powder that is high in protein but very low in fat. Due to the nature of whey, the purification process is a low-temperature spray-drying method that does not use solvents. now sports whey protein is a whey protein blend that combines two excellent protein sources, whey concentrate and isolate, of high quality and purity. Additionally, whey protein contains an excellent profile of branched-chain amino acids - Bcaas (leucine, isoleucine and valine), which are the building blocks of muscle.