Whey protein digests quickly while casein digests slowly. Whey protein is traditionally used amongst bodybuilders and athletes for it’s ability to promote muscle growth. Because whey protein is digested very quickly and provides only a short-lived burst of amino acids; whereas, casein forms a sort of “gel” in the stomach that digests very slowly. Consequently, amino acids appear in the blood stream at a lower, but steadier rate. Casein, in effect, functions as a sort of “timed release” protein. This is why many bodybuilders use it as a “bedtime snack”‘as it can mitigate the breakdown of muscle protein that occurs during sleep. Therefore a blend of both proteins appears to be the best overall approach to protein supplementation. Here are the 3 different types of Whey protein:
- Whey protein isolate – the most pure form of whey protein but most expensive
- Whey protein concentrate – not as pure, slightly higher fat & lactose but very affordable
- Whey protein blend – a mixture of isolate and concentrate
Any of the 3 Whey proteins mixed with Casein protein will give your muscles the amount of nourishment on a constant basis for the best results.
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