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Protein is an essential nutrient found in animal products, nuts, and beans. The name protein name comes from the Greek word protos, which means âfirst.â Your body uses proteins in your diet to build new cells, maintain tissues, and synthesize new proteins that make it possible for you to perform basic bodily functions.
What are proteins and why do we need them? Proteins are astonishing nutrients because they are so fundamental to our very architecture as humans. Our cells and organs, our muscles, our connective tissue, and even our bones could not hold together as the key body parts they are without the help of protein.