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Nutrition.gov
U.S. Department of Agriculture

Proteins

Find how much protein to eat per day, what foods are high in protein, and why protein is important.

  • Nutrient Lists from Standard Reference Legacy (2018)

    This page provides lists of which foods have the most and least content of specific nutrients. 

    • USDA, National Agricultural Library, Food and Nutrition Information Center

  • Vary Your Protein Routine

    Protein foods include both animal and plant sources. Find tips for including a variety of protein foods in your diet. 

    • USDA, Food and Nutrition Service, Center for Nutrition Policy and Promotion

  • Protein Foods

    Learn which foods make up the Protein Foods Group and how much protein is needed for a healthy diet. 

    • USDA, Food and Nutrition Service, Center for Nutrition Policy and Promotion

  • Interactive Nutrition Facts Label: Protein

    Read about protein - what it does, where it is found, and how to use the Nutrition Facts Label to monitor the protein in your diet.

    • HHS, Food and Drug Administration, Center for Food Safety and Applied Nutrition

  • Dietary Proteins

    Find the latest news, plus links to overviews, clinical trials and research related to dietary proteins.

    • HHS, National Institutes of Health, National Library of Medicine

  • Protein in Diet

    Read general information about protein, including food sources and recommendations for a healthy diet. 

    • HHS, National Institutes of Health, National Library of Medicine, MedlinePlus