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What is vitamin poisoning and how can it be prevented?

BingMag.com What is vitamin poisoning and how can it be prevented?

Vitamins are essential for good health. But the body only needs a small amount of vitamins, which most people can usually get with their diet. Excessive consumption of vitamins leads to "hypervitaminosis" or "vitamin poisoning" and causes serious health problems. Vitamin poisoning through food is almost impossible. But using high doses of supplements can lead to such a problem. Taking vitamin supplements is part of the daily routine of millions of people around the world. Because they encounter a large amount of information on the Internet and social networks, which tells them that consuming high doses of vitamins is beneficial for health. However, excessive consumption of some nutrients can be dangerous. In this article from BingMag Meg, we talk about the safety of taking vitamins as well as the symptoms of vitamin poisoning. Follow us to the end of this article.

  • Know the types of vitamins necessary for the body

What is the difference between water-soluble vitamins and fat-soluble vitamins? ? 13 known vitamins are divided into two categories: fat-soluble and water-soluble.

Water-soluble vitamins

BingMag.com What is vitamin poisoning and how can it be prevented?

Water-soluble vitamins are easily excreted from the body and most of them are not stored in body tissues. There are more of these vitamins than fat-soluble vitamins. Water-soluble vitamins include vitamin C and 8 B vitamins:

  • Vitamin B1 (thiamine)
  • Vitamin B2 (riboflavin)
  • Vitamin B3 (Niacin)
  • Vitamin B5 (pantothenic acid)
  • Vitamin B6 (pyridoxine)
  • Vitamin B7 (biotin)
  • Vitamin B9 ( Folate)
  • Vitamin B12 (cobalamin)

Water-soluble vitamins are excreted in the urine instead of being stored in the body. For this reason, even if taken in high doses, they cause fewer problems for the person. However, taking too much of some of these vitamins can have dangerous side effects. For example, vitamin B6 poisoning can lead to irreversible nerve damage over time. Excessive intake of vitamin B3 (more than 2 grams per day) can also cause liver damage.

Fat-soluble vitamins

Unlike water-soluble vitamins, water-soluble vitamins Undigested and easily stored in your body tissues. There are 4 fat-soluble vitamins:

  • Vitamin A
  • Vitamin D
  • Vitamin E
  • Vitamin K
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Because fat-soluble vitamins can be stored in the body, these nutrients are more likely to cause poisoning than water-soluble vitamins. Overuse of vitamins A, D or E can cause significant side effects. But high doses of vitamin K seem to be relatively harmless. That is why the "upper limit of intake" (UL) is not set for this nutrient. UL indicates the maximum daily intake, which is safe for almost everyone in the community.

What are the health consequences of vitamin poisoning?

When taking vitamins naturally through food You will find that these nutrients are unlikely to cause harm, even in large amounts. However, when you take them as supplements and in high doses, you may experience negative consequences.

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Side effects of excessive consumption of water-soluble vitamins

BingMag.com What is vitamin poisoning and how can it be prevented?

If taken in excess, some water-soluble vitamins can cause side effects, some of which are dangerous. Among water-soluble vitamins, vitamin K and some B vitamins, including vitamins B1, B2, B5, B7, and B12, are non-toxic and therefore lack UL. However, even these vitamins may interfere with medications or affect the results of diagnostic tests. Therefore, all dietary supplements should be used with caution.

Water-soluble vitamins, which are discussed below, have UL. Because in very high doses they can lead to vitamin poisoning and cause side effects:

  • Vitamin C: Although vitamin C is relatively low toxicity, but in high doses It can cause digestive disorders such as diarrhea, nausea and vomiting. Taking more than 6 grams a day of vitamin C can lead to migraines.
  • Vitamin B3 (niacin): Niacin is found in two forms, nicotinic acid and nicotinamide. When taken in the form of nicotinic acid in doses of 1-3 grams per day, it can cause high blood pressure, abdominal pain, visual impairment and liver damage.
  • Vitamin B6 (pyridoxine) Overdose of vitamin B6 over a long period of time can cause severe neurological symptoms, skin lesions, photosensitivity, nausea and heartburn. Some of these symptoms occur with a daily intake of 1-6 grams of vitamin B6. It has a negative effect on mental function and the immune system and hides severe vitamin B12 deficiency.

Note that these are side effects that healthy people experience when taking high doses of vitamins. Patients may have more serious reactions to taking too much of a vitamin. For example, vitamin C is unlikely to cause poisoning in healthy people; But in people with hemochromatosis, it can lead to tissue damage and fatal heart defects. In patients with hemochromatosis, large amounts of iron accumulate in various organs of the body. /12960-4.jpg ">

Fat-soluble vitamins are stored in body tissues. Therefore, in high doses, especially in the long run, they can cause much more damage. With the exception of vitamin K, which has little potential for toxicity, high intake of the remaining 3 fat-soluble vitamins is harmful to health. Here are some of the side effects of vitamin A, vitamin D, and vitamin E poisoning:

  • Vitamin A: Excessive consumption of foods rich in vitamin A can Cause poisoning. However, this usually happens with supplements. Vitamin A poisoning can cause problems such as nausea, increased intracranial pressure, coma and even death.
  • Vitamin D: Poisoning from high doses of vitamin D supplements can cause symptoms. It can lead to dangerous things like weight loss, loss of appetite and irregular heartbeat. In addition, excessive intake of this vitamin supplement increases blood calcium levels and thereby causes damage to the body organs.
  • Vitamin E: Vitamin E supplements in high doses Process They disrupt blood clotting. As a result, they increase the risk of bleeding and hemorrhagic stroke. Hemorrhagic stroke occurs due to rupture of cerebral arteries.

Although vitamin K has little potential for toxicity, it can interact with certain medications such as warfarin and antibiotics.

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Can vitamin poisoning be fatal?

BingMag.com What is vitamin poisoning and how can it be prevented?

Although deaths from vitamin overdoses are very rare, there have been reports of deaths. For example, consuming more than 200 mg of vitamin A in one meal can cause poisoning. Vitamin A poisoning can lead to serious complications such as increased spinal fluid pressure, coma and organ damage and death. In addition, long-term use of very high doses of vitamin D (more than 50,000 international units per day) can increase blood calcium levels (hypercalcemia) and death.

Excessive use of other vitamins can have side effects. It has a serious side effect and can cause liver damage. A report shows that consuming very high doses of vitamin B3 leads to metabolic acidosis (accumulation of acid in body fluids) as well as acute liver failure, both of which can be fatal. Keep in mind that these potentially fatal side effects occur with very high doses of vitamins. However, you should always be careful when taking any type of dietary supplement.

How can we use vitamins safely?

The best way to get the nutrients your body needs is to use them. Proper diet. However, many people need vitamin supplements for a variety of reasons. Aging, genetic disorders, certain diseases, and diet can all increase the need for certain nutrients. Fortunately, taking supplements is safe as long as it is done with caution. Listed in fat and water soluble. RDI indicates the body's need for each nutrient. UL is the highest daily intake of a nutrient that does not cause any side effects to healthy people.

It is not recommended to take more vitamins than the specified UL due to the possibility of poisoning. Keep in mind that in certain circumstances your doctor may prescribe supplements in amounts greater than UL. For example, vitamin D deficiency can be treated by injecting a high dose of vitamin D or taking supplements containing more than 50,000 international units of vitamin D. These amounts are much higher than the UL specified for this vitamin.

Although the supplement package contains recommendations for the daily intake of the vitamin, the needs of different people vary. If you have questions about the dosage of vitamins, it is best to consult a doctor or nutritionist.

  • How to choose the right vitamin and dietary supplement?

Conclusion

Most people take vitamin supplements without any problems. However, there is a possibility of overdosing on vitamins and side effects. Vitamin poisoning can lead to serious complications and even death in rare cases. For this reason, it is important to use supplements with caution. In addition, if you have any questions about supplementation, talk to your doctor or dietitian.

This is for educational and informational purposes only. Be sure to consult a specialist before using the recommendations in this article. For more information, read the BingMag Meg Disclaimer .

Source: healthline <// p>

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