Mutant Pro 100 contains 25g of pure protein from 3 different whey protein sources. Whey protein concentrate, whey protein Isolate & hydrolyzed whey protein. All different absorbing proteins to keep your muscles replenished for longer. No "proprietary blend" & no hidden ingredients. With 5g of carbs & 2.5g of sugar, this is a great product to take during the day when you need to hit your protein intake.