MusclePharm® 100% WHEY is an ultra-premium formula containing 100% whey protein.* It is for athletes looking to maintain lean muscle and replenish nutrients after workouts to fuel muscle recovery. Performance that tastes great and mixes easily! MusclePharm® 100% WHEY is tested for both banned substances and protein label claim verification. We have over 20 million products certified with globally recognized Informed-Choice to date. At MusclePharm®, we go the extra distance to ensure our customers get exactly what they expect.