Duck eggs mainly contain protein, fat, vitamin A 1, vitamin B, iron and calcium. The content of unsaturated fatty acids in medium fat is high, 62%, and the melting point of fat is low, which is easy to be digested and absorbed by human body. The contents of amino acids and threonine in duck eggs are the highest among all eggs. It can strengthen the body, and the content of protein in duck eggs is the same as that in eggs, which has the function of strengthening the body. It can promote development, and the total amount of various minerals in duck eggs is much higher than that in eggs, especially the iron and calcium urgently needed by human body are more abundant in duck eggs, which is beneficial to bone development and can prevent anemia. Can supplement vitamin B, duck eggs contain more vitamin B2, which is one of the ideal foods to supplement B vitamins. Nourishing yin and tonifying deficiency, Chinese medicine believes that duck eggs have the effects of nourishing yin and nourishing blood, moistening lungs and caring skin. Clearing lung and relieving cough, duck eggs have the effect of nourishing yin, clearing lung and stopping dysentery, and can also treat toothache. Supplementing iron and calcium, the total amount of various minerals in duck eggs far exceeds that of eggs, especially duck eggs are rich in iron and calcium. Conducive to bone development and can prevent anemia.

2. Middle-aged and elderly people should not eat more for a long time. The fat content of duck eggs is higher than that of protein, and the cholesterol content of duck eggs is also higher, which is about 0/522 mg per 100 g/kloc. Long-term overeating in middle-aged and elderly people is easy to aggravate and accelerate the hardening and aging of cardiovascular system. Duck eggs are not suitable for middle-aged and elderly people to eat too much, because they contain high cholesterol, so we must pay attention to reducing the intake of such foods to avoid arteriosclerosis.

Don't eat when taking levodopa. When taking levodopa, high-protein food should be avoided, because high-protein food produces a lot of amino acids in the intestine, which hinders the absorption of levodopa and reduces the curative effect. If you are using this kind of medicine, you must avoid using duck eggs, because this combination will lead to many harmful substances, which is not good for your health.

Children should not eat more duck eggs. Studies have confirmed that ADHD in children is related to excessive intake of amino acids, mainly animal protein. Although developing children need a large amount of protein, generally, a daily intake of 3g/kg body weight can maintain protein's metabolic balance. Excessive consumption will not only affect the digestive function of gastrointestinal tract, but also the decomposition products of protein will have some adverse effects, which can lead to fidgeting and hyperactivity of children.

5. Patients with chronic enteritis should avoid long-term excessive consumption of duck eggs. Duck eggs are cold and have the effect of moistening dryness, so people who are cold and wet should not eat more or for a long time. People with indigestion should avoid eating duck eggs for a long time. Duck eggs are sweet, cool and greasy, and easily stagnate in the middle of the gas. Eating too much will affect the digestive function and lead to or aggravate the symptoms of spleen deficiency.