What is the difference between vitamin AD and vitamin D3

1. The meaning is different.

Vitamin D3 is cholecalciferol, which is a kind of vitamin D, and the 7-dehydrocholesterol produced after cholesterol dehydrogenation can be formed by ultraviolet irradiation to form cholecalciferol, so that is to say, the vitamin D of cholecalciferol is 7-dehydrocholesterol. Vitamin AD is vitamins A and D.

2. The role is different.

Vitamin D3 is used for the prevention of vitamin D deficiency**, chronic hypocalcemia, hypophosphatemia, rickets and osteomalacia with chronic renal insufficiency, familial hypophosphatemia and hypoparathyroidism**. It can also be used for acute, chronic and potential post-operative tetany and idiopathic tetany. Vitamin AD is suitable for vitamin AD deficiency, such as night blindness, ophthalmia xerosis, rickets, osteomalacia, etc.

3. The synthesis is different.

Vitamin D3 (cholecalciferol) is mainly synthesized by the human body itself, and the body's ** contains a kind of cholesterol, which becomes vitamin D3 after being exposed to sunlight. Vitamin AD is a combination and over-the-counter medication.

1. Differences in meaning.

The chemical name of vitamin D2 is ergocalciferol, ergocalciferol is a cyclic steroid formed by the chemical bond cleavage of steroids under photochemical action, vitamin D3, also known as cholecalciferol. It is a type of vitamin D, and the 7-dehydrocholesterol produced after cholesterol dehydrogenation can be irradiated with ultraviolet light to form cholecalciferol, so that is to say, the provitamin D of cholecalciferol is 7-dehydrocholesterol.

2. Differences in physical and chemical properties.

3. Functional differences.

Vitamin D2 has the effect of regulating the growth of atomic cells, including inducing normal differentiation of cells and inhibiting the transition proliferation of cells.

Vitamin D3 can improve the body's absorption of calcium and phosphorus, so that the level of plasma calcium and plasma phosphorus can reach a saturation degree; Promotes growth and calcification of bones, promotes healthy teeth; increases phosphorus resorption through the intestinal wall and phosphorus resorption through the renal tubules; Maintain normal levels of citrate in the blood; Prevents the loss of amino acids through the kidneys.

Vitamin AD is complex, not only to supplement vitamin A to prevent night blindness, but also to supplement vitamin D to promote calcium absorption, if the single filial piety is pure vitamin D, vitamin D3 should be supplemented. Or make up some two-in-one cod liver oil capsules, Lixiao Sakura noodles are nutritious and easy to absorb, one capsule a day.

Vitamin AD contains a large amount of vitamin A and vitamin D, and if people are deficient in vitamin A or vitamin D for a long time, it is easy to affect the absorption of calcium. This situation is also very detrimental to people's healthy growth. Vitamin D3 is a type of vitamin D, which can also play a role in promoting calcium absorption.

If children are taking calcium supplements, vitamin D3 supplementation is necessary. It can play a role in promoting calcium absorption. If people supplement vitamin AD and vitamin D3 in large doses for a long time, it is easy to affect people's body health and well-being.

Some friends will also have rashes, dizziness or vomiting from time to time, so everyone must be in moderation when supplementing. What is the difference between vitamin AD and D3? As can be seen from the article, the composition of vitamin AD and D3 is not the same.

Vitamin AD not only contains vitamin D, but also contains a certain amount of vitamin A. Both of these products can play a role in promoting calcium absorption, so you must keep them cool and dry when you store them. Because if it is not stored correctly, then it is easy to cause the drug to fail.

Everyone must supplement in moderation, and excessive supplementation has a very large impact on physical health.