Casein Protein Side Effects

There are a few, but very limited, side effects to using casein protein. As mentioned in the protein side effects page, one common misconception is that excessive protein intake is harmful for the kidneys. However, this protein safety study on male bodybuilders showed that kidney function and excrement were within normal ranges. Nitrogen levels began to rise, however, so it is recommended to drink plenty of water with a high-protein diet. On the other hand, high-protein diets in women have been shown to increase calcium excrement. Calcium supplements are very important for women to take, as shown by this high-protein, high-calcium diet study, in which bone tissue loss was minimized.

Is Casein Protein safe?

Yes, casein protein powders are safe for bodybuilders and competitive athletes. As mentioned above, women should use extra calcium with high-protein diets, and all protein users should drink enough water.

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