Timing is everything! Introducing GNC Pro performance 100% Casein Protein - a premium long-lasting protein that keeps your muscle recovery going all day and all night, even while you’re asleep. Each serving contains 25g of rich protein that delivers a well-sustained & timely supply of amino acids, including 15.03g EAAs with 7g BCAAs, for supporting long-period muscle rebuilding and overnight recovery. Plus, the Digezyme in the formula makes this protein easy on your stomach.