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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.
For people interested in fitness, protein has particular importance because it's a vital part of the muscle-building process. Research suggests that the best way to get enough protein into your diet, and to do it sustainably, is to eat 20-30 grams of protein per meal.1 We think that's pretty solid advice.