Glucosamine by Stark Pharm is a...
100% Platinum Casein MuscleTech is a high quality supplement containing micellar casein, which provides sustained release of amino acids into the blood.
Casein is a slow-digesting milk protein compared to other proteins that digest quickly.
100% Casein Complex is a casein protein that is slowly digested, which provides a steady supply of amino acids to the bloodstream, possibly up to 7-8 hours.