Consuming a protein supplement, specifically protein hydrolysate, during carbohydrate-restricted training was helpful for improving training intensity in women, but not in men, a new study has found.
Most nutrition guidelines for athletes are based on research in men only.
However, this study, by Tanja Oosthuyse and her colleagues, highlights the importance of how nutritional guidelines differ for men and women.
While the protein supplement helped training intensity in women, it did not improve training intensity and instead resulted in modest negative effect in men.
It made exercise feel harder for them because their bodies were working harder to break down the supplement, as compared to when they were drinking just plain water.
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