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Whey is the liquid remaining after milk has been curdled and strained to make cheese. Whey protein is made from the leftover liquid. Whey protein is considered a complete protein and contains all nine essential amino acids and have a very low lactose content. PURE uses whey protein isolate (WPC) and concentrate (WPI) in its products. WPC contains at least 80% whey protein and other naturally-occurring compounds like fat and carbohydrates. WPI contains a higher amount of whey protein 90%. People commonly use it as a protein supplement, alongside resistance exercise, to help improve muscle protein synthesis and promote the growth of lean tissue mass.

Products that contain whey: 

GPS Rebuild
Nutrition Shakes