What are the action and function of vitamin D?

What are the action and function of vitamin D? The effect of vitamin D on the human body is mainly affected by the absorption and storage of calcium and phosphorus in Western Europe. Vitamin D is a sterol derivative with anti - rickets effect, since to prevent rickets.

【 The role of Vitamin D 】 The role and function of vitamin D What is the role of vitamin D

The effects of vitamin D on human body:

Generally speaking, the effects of vitamin D on the body are mainly affected by the absorption and storage of calcium and phosphorus. Vitamin D is a sterol derivative with anti - rickets effect, since to prevent rickets. You've all heard of taking vitamin D to boost calcium absorption and digestion. That's what the steroids of vitamin D do.

How do you get vitamin D?

Vitamin D is a fat-soluble vitamin that consists of five compounds, the most important for health are vitamin D2 and vitamin D3. They have three properties: they are found in some natural foods; When exposed to ultraviolet light, cholesterol in the body is converted into vitamin D. So there are two main sources of vitamin D, one is through a balanced diet, and the other is exposure to sunlight. In general, you can get enough vitamin D from these two supplements without the need for additional supplements.

Vitamin D Supplements:

Many people think that vitamin D is necessary for the human body, so they take extra supplements. In fact, this is a very wrong view and practice. In philosophy, it is said that whatever happens in this world, we must master the principle of moderation. As long as excessive, will not achieve the ideal effect, even the opposite. In particular, this kind of trace element required by the human body, why it is called trace, is because the human body's demand for this thing is small, if excessive supplementation, it will have a bad effect. You know, excessive vitamin D supplementation, the side effects on the human body is very big.


Side effects of excessive vitamin D supplementation:

Vitamin D can have harmful effects on the human body if taken in excess. The side effects of vitamin D include abnormal dry mouth, sore eyes, pruritus, nausea, diarrhea and frequent urination. It can also lead to increased calcium concentration in the blood and lead to acute hypercalcemia, which can increase the burden on the kidney and cause renal insufficiency or kidney stones. Nausea, vomiting, loss of appetite, weight loss, headache, soft tissue calcification, urine, diarrhea, dizziness, muscle weakness (hypercalcemia).

Children should pay special attention to vitamin D intake:

Many parents blindly supplement children with vitamin D in order to prevent dog stooping disease, which leads to excessive vitamin D and the side effects of vitamin D. It is generally believed that normal children take oral vitamin D 0.5-1.25 mg daily for weeks or months; Adult long-term daily oral 2.5~3.75 mg, can occur poisoning symptoms.

When vitamin D poisoning occurs, it can cause renal function impairment, albuminuria, severe cases can cause renal failure, but also easy to infection, anorexia, fatigue, nausea, vomiting, diarrhea, polyuria, headache, sweating, thirst, etc.; Children also show irritability, crying and other mental symptoms. If the patient is diagnosed with vitamin D poisoning, he/she should immediately stop taking human vitamin D and food containing vitamin D, and give plenty of fluids to maintain water and electrolyte balance. At the same time, avoid sun exposure, and so on can reduce the side effects of vitamin D.

How can I detect vitamin D overdose?

The mechanism of acute vitamin D poisoning may be the result of direct cell damage caused by vitamin D metabolites. Due to the long time of treatment of osteoporosis, the accumulation of vitamin D can cause the dysfunction of intestinal calcium excretion system and cause vitamin d poisoning. The main manifestations of vitamin d poisoning are hypercalcemia and hypercalcium in urine. Hypercalcemia is an important indication of early vitamin D poisoning. Therefore, for long-term vitamin D users, urinary calcium should be monitored regularly (normal 200-300mg/ day, female <200mg/ day, male <300mg/ day), blood calcium and 24h urine test once a month. Dietary calcium intake should also be controlled (700-800rng/day), and recommended to increase the amount of water, which can prevent calcium in the organs and lead to calcification. In addition, if there are any signs of side effects from vitamin D, you should call your doctor.


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