What is vitamin D poisoning? Why does it happen?

The amount of foods rich in vitamin D, such as oily fish, is very small. Also, most people don’t get enough vitamin D from the sun. For this …

The amount of foods rich in vitamin D, such as oily fish, is very small. Also, most people don’t get enough vitamin D from the sun.

For this reason, it is thought that more than 1 billion people in the world have vitamin D deficiency. Supplements are very common. Vitamin D can be taken in the form of both D2 and D3. Vitamin D3 is found in animal foods and vitamin D2 is found in plant foods. Adequate levels of vitamin D are also important in the treatment of obesity, as it facilitates weight loss.

Vitamin D3 has a much greater effect on increasing blood vitamin D levels than vitamin D2. Studies have shown that every 100 IU of vitamin D3 you consume per day will increase your blood levels of vitamin D by 1 ng/ml on average. However, taking extremely high doses of vitamin D3 for a long time can cause excessive accumulation of vitamin D in your body.

Vitamin D poisoning will occur when the level of vitamin D in the blood rises above 150 ng/ml. Vitamin D is stored in adipose tissue and released slowly. For this reason, if vitamin D poisoning occurs, even if vitamin D intake is stopped, it may take a few months for the signs of poisoning to disappear, as the release of vitamin D from the adipose tissue will continue.

It is beneficial for people who take vitamin D supplements to monitor their blood vitamin D levels. It is not possible for you to reach vitamin D levels at the level of vitamin D poisoning with sunlight and food.

The side effects that can occur when you take too much vitamin D are as follows:

Nausea, Vomiting and Loss of Appetite

Many of the side effects of excess vitamin D intake are due to increased calcium levels in the blood. However, these symptoms are not seen in everyone with high blood calcium. Side effects occur when the blood calcium level exceeds 12 mg/dl, usually due to excessive intake of vitamin D.

Stomach Pain Constipation and Diarrhea

Stomach pain, constipation and diarrhea are often signs of food intolerance or irritable bowel syndrome. But it can also occur in vitamin D poisoning.

Bone Loss

Vitamin D is very important for calcium absorption and bone metabolism. But taking too much vitamin D can reverse this process.

Although many findings of vitamin D poisoning are associated with an increase in blood calcium levels, it is said that vitamin K2 levels may decrease and related findings will occur.

Vitamin K2 keeps calcium out of the blood by keeping calcium in the bones. It is thought that excessive levels of vitamin D may reduce the effectiveness of vitamin K2. Grass-fed meat and milk are also rich in vitamin K2. These foods can be consumed or vitamin K2 supplements can be taken to protect the bones.

Kidney failure

Excessive intake of vitamin D can often cause kidney damage. Studies have reported moderate or severe kidney damage in people with vitamin D toxicity.

Please do not use vitamin D uncontrolled. Do not forget that the excess of this vitamin stored in the body can be quite dangerous. It will be an appropriate approach to use vitamin D in the follow-up and at the levels recommended by your doctor.

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