Egg yolk contains valuable vitamins A and D, as well as vitamin E and vitamin K, which are "fat-soluble vitamins". Most water-soluble B vitamins also exist in egg yolk. The reason why egg yolk is light yellow is because it contains riboflavin, which is vitamin B2. Can prevent mouth rot, glossitis, cleft lip, etc.

Various trace elements are also concentrated in egg yolk. Egg yolk contains a lot of phosphorus and iron.

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The content of protein in every100g goose egg is about14g. Goose eggs contain more lecithin than other eggs, which is more conducive to the development of the brain, so children or people who often use their brains can eat some goose eggs. In addition, it is also possible for patients with cardiovascular diseases to eat goose eggs in moderation.

Traditional Chinese medicine believes that goose eggs are warm, so people who are weak and afraid of cold can eat some goose eggs to supplement nutrition, and other people with nephritis and hepatitis are also suitable for eating goose eggs to keep fit.

The vitamin content of duck eggs is higher than that of eggs, especially vitamin B 12. But people don't eat many eggs at a time, so there is not much difference in nutritional value in this respect. The fat content of duck eggs is higher than all eggs, and every100g of duck eggs will also contain about14g of fat.

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