R1 Casein

R1 Casein provides 25g of slow-release protein in a thick and satisfying shake.

• Made with 100% micellar casein protein
• Extended amino acid delivery
• Feeds muscles while you sleep
• Naturally rich in all 9 EAAs, including 3 BCAAs 

 R1 Casein's extended-delivery formula includes several positive negatives:

• ZERO Non-Casein Proteins
• ZERO Creamers
• ZERO Amino Spiking
• ZERO Banned Substances