Rule One Casein Flavor:Vanilla convenient option for on-the-go nutrition

convenient option for on-the-go nutrition

this product delivers maximum results while promoting a healthier and cleaner lifestyle

and better digestion

this is the perfect supplement for any fitness enthusiast looking to reach their goals

formulated to achieve optimal assimilation into the muscle cell

Rule One Casein Flavor:Vanilla convenient option for on-the-go nutritionRule One Casein is a high quality protein supplement. Made with pure micellar casein, it offers a slow digesting protein source that provides long lasting muscle nourishment during periods of rest. With no added sugars, it is an ideal choice for building and maintaining lean muscle mass.