USN’s Pure Protein is a complete engineered protein blend consisting of a precise mixture of whey protein isolate, whey protein concentrate, calcium caseinate, egg albumen and soy protein isolate. Protein is the structural core of the human body and is at work in every single cell. Protein performs many essential functions in the body. It is required for growth and repair of tissues and aids in the transportation of nutrients, oxygen and nitrogen. Core benefits of Pure Protein IGF-1: 40g of STS (Sustained Transport System) protein consisting of Whey Protein Isolate (WPI) & Concentrate Blend, Micellar Casein, Calcium Caseinate, Egg Albumin & Soy Protein Isolate. Contains ZYMATECH Multiple Enayme Technology (incl. Lactase Enaymes & Fibre) for optimal protein digestion & amino acid uptake. Fortified with L-glutamine for nitrogen transport & muscle recovery. Extremely low in Carbs & contains a complete vitamin & mineral blend.