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  1. 9 Important Functions of Protein in Your Body - Healthline

  2. Protein: Why Your Body Needs It - WebMD

  3. What Does Protein Do? A Guide to This Essential Nutrient

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

  5. What Is Protein & Why Do You Need It? - EatingWell

  6. What are proteins and what do they do? - MedlinePlus

  7. Protein: Definition, Types, Sources, Benefits and Side effects ...

  8. What Are Proteins and What Is Their Function in the Body?

  9. What Does Protein Do and What Are Its Health Benefits?

  10. Protein: Uses, sources, and requirements - Medical News Today