R1 Casein

  • $69.95
    Unit price per 


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