Vitamin, the more you take, the better?…”NO! Rather poison”

Vitamin, the more you take, the better?…”NO! Rather poison”


The idea that the more healthy you eat, the better it will be can be a very dangerous perception. But wouldn’t the more vitamins you take as much as possible, the better for your body?

Vitamin overdose can cause unpleasant or serious side effects, and some vitamins should not be supplemented in the form of nutritional supplements. Vitamin is an essential nutrient that the body cannot produce enough amount and must be taken through food. However, taking more than twice the recommended daily dose is classified as excessive intake.

1. Gastrointestinal disorders
The first sign of excessive vitamin or nutritional supplements is usually the stomach. You may experience gastrointestinal disorders such as nausea, vomiting, diarrhea and abdominal pain.

This may mean taking vitamins on an empty stomach, but it may mean taking more supplements than the body can afford. If these side effects occur, it is safe to switch to a lower vitamin or consult a doctor.

2. Hair loss
Hair loss is one of the side effects of overdosing on vitamin A, a fat-soluble vitamin. “Vitamins are largely divided into water-soluble vitamins and fat-soluble vitamins, which are absorbed in excess and released into urine in a certain amount, but fat-soluble vitamins can accumulate in the body and cause toxicity,” said Haedak Jung-woo, a clinical nutritionist.

Vitamin A deficiency is known to cause night blindness, dry eye, corneal softening, and dry skin, so it should be supplemented by milk, carrots, butter, spinach, etc., which can be absorbed by the body along with lipids and stored in fat tissues.

If hair loss continues for unknown cause, check to see if you are overdosing on vitamin A. Vitamin D, E and K included in fat-soluble vitamins should also be taken care not to exceed the recommended daily dose.

3. Increased risk of cancer
“You’re getting cancer because you’ve taken more vitamins than you’ve recommended? You might think, “No way….” However, the risk of cancer increases if you take beta-carotene or vitamin E supplements, which are precursors of vitamin A, or if you take excessive amounts of biotin (vitamin B7).

Last spring, the United States Prevention Services Task Force (USPSTF) officially recommended banning vitamin E or beta-carotene supplements, saying they can increase cancer risk or lead to heart disease.

Another study found that men are at increased risk of developing lung cancer if they take 5 to 10 mg of biotin a day.

4. Neurological problems
Taking too many vitamins involved in the production of neurotransmitters, such as vitamin B6, can cause neurological problems such as neurological disorders, numbness, and tingling. To avoid this, do not take more than the recommended daily intake.

5. Excessive bleeding
Vitamin E can also be a potentially dangerous vitamin. “You don’t have to take supplements unless you’re required to take vitamin E,” said Kathryn Bowling, a family medicine doctor at Mercy Medical Center. “Because it was an antioxidant before, vitamin E supplements that we thought were good for health are now found to be more dangerous.

Vitamin E dilutes blood, which can cause minor injuries to become a serious bleeding problem.

“If you take a recommended amount of vitamins, it helps your body a lot, but if you take too much, it can cause side effects,” said Haidak Jung Sung-woo, a clinical nutritionist, explaining the recommended daily amount and the upper limit. “Health functional foods that you eat inadvertently often contain high amounts of vitamins, and if you eat multiple types of health functional foods, you should pay attention to them because they can increase your intake,” he said.

In order not to exceed the daily recommended amount, he added, “It is recommended to check the daily recommended amount of consumption listed on health functional food products.”

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