Complete protein foods have all nine essential amino acids, whereas other protein-rich foods might not necessarily contain all essential amino acids, says Brigitte Zeitlin, RD, founder of BZ Nutrition in New York City. Whether you're vegan, vegetarian, or just trying to cut back on your meat intake, chances are you're concerned about getting enough protein-and that's a good thing since protein is an important macronutrient for maintaining strong bones, building muscles, and growing healthy hair.īut before you grab any old protein source, it's important to understand that not all proteins are created equal-only some are considered "complete proteins," meaning they contain all nine essential amino acids.Īllow us to explain: There are 20 different amino acids that make up protein, and nine of them are called essential amino acids because our bodies can't produce them, so we need to get them from food.
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