Rule One Casein is expertly crafted to support your performance and recovery with high-quality ingredients.
Key Benefits
Rule One Casein
We utilize 25g per serving of Micellar Casein in this protein formula, so it keeps working long after you've left the gym. It's slow-release formulation is designed for occasions when you want a protein that takes its time and delivers its amino acids benefits over several hours.
Experience the SuppPrep difference in every scoop.
