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The protein craze: scientists talk supplements — and who should take them

Most people can get enough protein from food, but certain groups can benefit from protein powders and related products.
By
  1. Mariana Lenharo

    1. Mariana Lenharo is a news reporter for Nature based in New York City.

Protein has become a buzzword in health and wellness circles, with social-media influencers touting high-protein diets as the ultimate solution for weight loss and muscle gain. A search on the social-media platform TikTok for “200 grams of protein a day” yields dozens of videos offering tips on how to stay fit by reaching that target, the equivalent of more than seven servings of cooked steak. The market has responded with a flood of products promising to boost protein intake, including powders, bars, cookies, yogurt and even popcorn.

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Nature 644, 853-854 (2025)

doi: https://doi.org/10.1038/d41586-025-02472-3

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