What Are the Nutrients Contained in an Egg?


Quick Answer

According to the American Egg Board, protein is a primary nutrient contained in an egg. Choline is another nutrient that fosters healthy brain development for adults and fetuses. Lutein and zeaxanthin are two antioxidants that promote eye health.

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Full Answer

The American Egg Board further notes that egg protein aids in weight loss and enhances muscle development. The protein levels in eggs keep a person fuller while increasing energy in the body. Lutein and zeaxanthin are found in the egg yolk and prevent muscle degeneration of the eyes. Choline helps fetuses by enhancing brain development and preventing birth defects. It also maintains the integrity of brain cell membranes in adults. Alive Publishing Group mentions that choline is part of lecithin, which is an emulsifier that prevents fats and cholesterol from sticking together in the blood. Choline is a co-enzyme that also manages metabolism.

WebMD notes that eggs have 7 grams of protein, 5 grams of fat and 1.6 grams of saturated fat. Eggs contain iron, vitamins and minerals. According to Alive Publishing Group, eggs contain vitamins A and D in addition to carbohydrates. Eggs also contain all essential amino acids. Egg yolks have sulphur that carries the amino acids. The cholesterol, amino acids and fatty acids in eggs all play a role in enhancing brain development.

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