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Protein - Wikipedia
High Protein Foods: 16 Foods for High Protein Meals - Healthline
Nutrition information about protein and plant-based protein
How much protein is it safe to eat? - BBC Food
Protein: What It Is, Types, Uses, Needs, Deficiency
Protein | Definition, Structure, & Classification | Britannica
Protein: what you need to know - BHF - British Heart Foundation
Protein – The Nutrition Source
Here’s What Protein Does: 5 Functions and Examples
What Is Protein & Why Do You Need It? - EatingWell