Optimum 100% Casein Protein, 4 lbs Pick Flavor:Creamy Vanilla 000mg) with L-glycine (1

000mg) with L-glycine (1

Athletes looking to preserve lean muscle while cutting

Found in skin

not a comprehensive training formula

Optimum 100% Casein Protein, 4 lbs Pick Flavor:Creamy Vanilla 000mg) with L-glycine (1Optimum Nutrition 100% Casein Protein 4 lbs (56 Servings) Optimum Nutrition 100% Casein is the world's best selling micellar casein and for good reason. At 75% protein by weight, it delivers 24g of slow digesting micellar casein per 32g serving, providing a sustained release of amino acids over 57 hours. This makes it the definitive nighttime protein: taken before bed, it continuously feeds muscle tissue through the overnight fast when you'd otherwise