R1 Casein 28 Serve


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.

Overnight Sensation

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

Informed Choice® Certified.
Regularly tested for banned substances by the world class sports anti-doping lab, LGC.

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Additional information

R1 Casein 28 Serve

Chocolate Fudge, Chocolate Peanut Butter, Cookies & Cream, Salted Caramel, Strawberries and Creme, Vanilla Creme


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