Naked Casein has only one ingredient: Micellar casein sourced from US farms. Casein is a slow-digesting protein that helps you stay full for longer. When taken before bed, casein protein supports the muscle recovery process throughout the night.Naked Casein is free of additives and artificial sweeteners. We are committed to shortening the steps between our farms and you. Don’t let the supplement industry fool you; additives are for their bottom line, not your health.