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9 Important Functions of Protein in Your Body - Healthline
Protein: Why Your Body Needs It - WebMD
What Does Protein Do? A Guide to This Essential Nutrient
Protein: What It Is, Types, Uses, Needs, Deficiency - Verywell Health
What Is Protein & Why Do You Need It? - EatingWell
What are proteins and what do they do? - MedlinePlus
Protein: Definition, Types, Sources, Benefits and Side effects ...
What Are Proteins and What Is Their Function in the Body?
What Does Protein Do and What Are Its Health Benefits?
Protein: Uses, sources, and requirements - Medical News Today