Essential amino acids are amino acids that cannot be synthesized by the body. As a result, humans must obtain these amino acids from food sources. There are nine essential amino acids in total, including histidine, isole... More »

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Animal products, such as meat, dairy and eggs, as well as plant-based foods, such as soybeans, nuts, quinoa and buckwheat, all contain amino acids. Amino acids are the building blocks of protein and are an essential dail... More »

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There are nine essential amino acids, according to MedlinePlus. These include valine, tryptophan, threonine, phenylalanine, methionine, lysine, leucine, isoleucine and histidine. The essential amino acids cannot be produ... More »

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Essential amino acids are needed for making protein, which the body requires for a variety of functions, states the National Institutes of Health's MedlinePlus. When the diet lacks an essential amino acid, such as lysine... More »

Essential fatty acids, also known as omega-3 fatty acids, are necessary for the optimal functioning of the human body, but they must be consumed because the human body doesn't manufacture it on its own, according to the ... More »

www.reference.com Health Nutrition & Diets Nutritional Content

In humans, there are nine essential amino acids. An essential amino acid is one that cannot be manufactured in the body; it must come from the food humans eat. The other 11 amino acids are considered to be nonessential. More »

Amino acids are used in the human body to make proteins which help the body grow, repair body tissue and break down food. Amino acids help with muscle control, build muscle tissue and protect the body’s nervous system. T... More »