Rule 1 R1 Casein

Utilizing 25g per serving of Micellar Casein in this protein formula ensures it keeps working long after one has left the gym. Its slow-release formulation is tailored for occasions when a protein is desired to provide its benefits of amino acids over several hours.

Casein What It Is

Slow-release Protein Thick and satisfying, R1 Casein extends amino acid delivery for several hours, making this great between meals or as an overnight protein.