ON Optimum Casein
100% Gold Standard Casein from Optimum Nutriton is a high quality casein shake. Casein is the slowest type of protein to digest and absorb. This ensures that the muscles receive a constant flow of amino acids over a long period of time.
- 100% micellar casein
- 5 grams of BCAAs and 5 grams of Glutamine per serving
- Low in sugar and fat
- Time release protein