Introducing COR-PERFORMANCE WHEY: a high performance whey protein isolate based formula from the makers of the explosive pre-workout, C4 Extreme. COR-PERFORMANCE WHEY has crushed the protein category with its 25g of 100% Whey Protein. Enjoy the benefits of a delicious, fast-digesting protein with minimal carbs and fat, all in a single scoop. It contains a quality formula with minimal fat and carbs with added digestive enzymes to satisfy protein needs any time of day. COR-PERFORMANCE WHEY Protein mixes instantly! All Cellucor products are produced in GMP certified facilities.