We utilize 25g per serving of Micellar Casein in this protein formula, so it keeps working long after you've left the gym. Its 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.
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
