Protein is the macronutrient needed for building muscle mass and facilitating many chemical reactions in the body. Two other macronutrients, fats and carbohydrates, are equally important. Proteins are composed of amino acids. While the human body can produce some amino acids, others must come from food. The nine amino acids we cannot produce naturally are known as the nine essential amino acids. They are histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine. The average person requires about 25% of their daily calories come from protein.
Black beans are a fiber- and protein-rich source of carbohydrates. 100 grams of beans provides 21.6 grams of protein, making them a great part of any healthy diet. In general, legumes are packed with iron. Additionally, black beans are a good source of magnesium, thiamin, potassium, and folate. Folate and iron work together to support the production of red blood cells and improving blood flow, while folate plays an integral role in preventing neural tube defects during pregnancy. Folate can also help lower the risk of heart disease, stroke, and peripheral artery disease.
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