What Is Casein Protein - Slow Digest Casein Protein | AR Nutration
Saturday, January 26, 2019 - 
Casein Protein,Caseine,Whey-Casein Blend
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Casein Protein,Caseine,Whey-Casein Blend
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Casein Protein
Like whey, casein is a milk-based protein that contains all the essential amino acids your body needs. However, your body digests casein protein much slower than the rapidly digested whey protein.
This is because casein forms curds in your stomach once exposed to stomach acid. These curds are not easily broken apart and take your body much longer to digest and absorb.
But because your body absorbs casein protein at a slower rate, it provides your muscles with a steady supply of amino acids over a longer period — usually between five and seven hours (14).
While casein protein doesn’t increase muscle protein synthesis to the same extent as whey, the continuous supply of amino acids helps prevent muscle breakdown and supports muscle protein synthesis longer (15).
This makes casein protein particularly useful for promoting muscle growth during fasting, for example before sleep or between meals.
Studies in men show that consuming 20–30 grams of casein protein before bed decreases muscle protein breakdown and supports muscle building (16, 17, 18, 19).
And because aging is associated with a loss of muscle mass, older men may especially benefit from the muscle-preserving effects of casein protein (19).
Here is a quality casein powder by Optimum Nutrition that also provides 60% of your daily calcium needs.
SUMMARYCasein is a complete protein that comes from milk. Your body takes much longer to digest and absorb casein than it does whey. This makes casein beneficial for supporting muscle growth during periods of fasting.
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