It wasn't too long ago Optimum release it's casein protein. It took a while to catch on, but now casein, and other slow digesting proteins are more popular than ever. Just like all other ON products, their casein protein is a great quality, affordable protein.
With Optimum's reputation, they could just about release any product, and expect to be amoung the sales leaders. Optimum Casein Protein is idea before bed, and even as a meal replacement because of the slow digestion.
Overall, another great product from Optimum Nutrition that's great to have in your arsenal.
Optimum Nutrition Says
Sometimes slower is better-especially when it comes to the rate of protein digestion. While rapid protein absorption is desirable immediately before or after exercise, delayed release is probably more beneficial throughout the remainder of the day. Casein proteins are pH sensitive and gel in the acidic environment of the stomach. As a result, it can take more than twice as long for caseins to be broken-down into their amino acid subcomponents than whey and other proteins. Casein is the most abundant protein present in milk. It is considered a high quality protein because it is easily assimilated and it supplies sufficient quantities of amino acids that cannot be synthesized by the body.
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