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Nutrition.gov
U.S. Department of Agriculture
  1. Home
  2. Topics
  3. What's In Food
  4. Proteins

Proteins

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

Vary Your Protein Routine
USDA, Food and Nutrition Service, Center for Nutrition Policy and Promotion

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

Protein Foods
USDA, Food and Nutrition Service, Center for Nutrition Policy and Promotion

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

Interactive Nutrition Facts Label: Protein
HHS, Food and Drug Administration, Center for Food Safety and Applied Nutrition

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.

Dietary Proteins
HHS, National Institutes of Health, National Library of Medicine

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

Protein in Diet
HHS, National Institutes of Health, National Library of Medicine, MedlinePlus

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