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Peanut Nutrition. 1  Peanuts and peanut butter are full of nutrition and contain protein, mostly good fats, fiber and more than 30 essential vitamins and nutrients, and fit into a balanced diet. 2  For more resources, jump to the bottom of the page.
Since the protein in peanuts is plant-based, it carries with it additional components that have positive health benefits like fiber and unique bioactives, unlike animal protein. Peanuts are high in arginine, and amino acid, which is one of the building blocks of protein.