Eggs are one of the best sources of nutrition. An egg contains a lot of vitamins and minerals, and the most important thing is protein with high biological value. Eggs can provide vitamins, minerals and important trace elements for our whole life process. An egg contains half an apple or half a glass of milk, but it also contains 8% phosphorus, 4% zinc, 4% iron, 10% protein, 6% vitamin d, 3% vitamin e, 6% vitamin a, 2% vitamin b 1 and 65433. These nutrients are essential to the human body, and they play an extremely important role, such as repairing human tissues, forming new tissues, consuming energy and participating in complex metabolic processes.