What is vitamin D supplemented? What is vitamin D supplemented?

Vitamin D is a sterol derivative with anti-rickets effect, also known as anti-rickets vitamin. The most important members of the vitamin D family are D2 and D3.

Vitamin D is a derivative of different provitamin D after ultraviolet irradiation. Plants do not contain vitamin D, but provitamin D is present in both animals and plants.

Vitamin D is a fat-soluble vitamin with five compounds, and vitamin D2 and vitamin D3 are more closely related to health.

They have the following three properties: they are found in some natural foods; When exposed to ultraviolet light, cholesterol in the body can be converted into vitamin D.

Foods in general are not rich in vitamin D. Foods that are more abundant include seafood, fish, eggs and butter.

Vitamin D-fortified foods are mostly dairy foods and baby foods. In recent years, most large cities in China have adopted fresh milk to fortify vitamin D intake.

Natural food concentrates are mainly cod liver oil. When choosing cod liver oil and vitamin D-fortified foods, pregnant women must follow the doctor's instructions and do not overdose to avoid poisoning.

Vitamin D can help with calcium absorption.

And don't make up anything. It mainly assists in the absorption and metabolism of calcium.

The main thing is to help calcium absorption.

Vitamin D is a fat-soluble vitamin that promotes the absorption of calcium and phosphorus and hardens bones.

Lack of vitamin D is easy to cause "vitamin D deficiency rickets", vitamin D food ** less sunlight in the case of the human body through ** exposure to sunlight, self-synthesis of vitamin D.

Spending time in the sun isn't the best way for people to get vitamin D. Vitamin D can also be obtained through food, but it is very small, and it is difficult to meet the needs of vitamin D in a normal diet, and vitamin D is only found in high amounts in specific foods.

1. Egg yolk. Egg yolk is a nutritional star, rich in vitamin D and B vitamins, and contains almost half of the protein content of the whole egg. Contrary to popular belief, the cholesterol in one egg a day does not increase the risk of heart disease.

2. Dried shiitake mushrooms.

Dried shiitake mushrooms are rich in many nutrients, especially vitamin D, which is 8 times higher than that of fresh shiitake mushrooms, because the drying process increases the vitamin D content. In addition, dried shiitake mushrooms also have antiviral, anti-cancer, cholesterol-lowering and other effects.

3. Sardines.

Sardines are not only high in vitamin D, but also rich in -3 fatty acids and low in mercury.

4. Tuna.

Fatty tuna is rich in vitamin D and 3 fatty acids, which can provide rich protein and selenium, which can boost the body's immunity.

5. Wild salmon.

Wild salmon contains 75% more vitamin D than farmed salmon and can provide high amounts of 3 fatty acids and B vitamins. Different cooking methods have different effects on vitamin D. Studies have found that baking maximizes vitamin D retention, while frying in oil halves vitamin D.