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  1. High Protein Foods: 16 Foods for High Protein Meals - Healthline

  2. Protein - Wikipedia

  3. Protein: Why Your Body Needs It - WebMD

  4. Proteins and Polypeptides: basics, structures, properties

  5. Protein | The Nutrition Source - Harvard T.H. Chan School of …

  6. Protein: What It Is, Types, Uses, Needs, Deficiency - Verywell Health

  7. Protein | Definition, Structure, & Classification | Britannica

  8. High-protein foods: The best protein sources to include in a …

  9. Proteins | Nutrition.gov

  10. 9 Important Functions of Protein in Your Body - Healthline