Overnight Sensation
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