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How many vitamins a day is too much?

How many vitamins a day is too much?

“Most people think it’s fine to take as much as they want,” says Rosenbloom. “I know people who take 10,000 mg a day.” However, the upper tolerable limit is 2,000 mg a day. “People at risk for kidney stones can increase that risk; people also can get diarrhea.

How do you know if you’re taking too much of a vitamin?

Chronic toxicity can lead to liver damage and increased pressure on your brain. Hypervitaminosis A can be diagnosed using blood tests to check your vitamin A levels….Symptoms of acute vitamin A toxicity include:

  1. drowsiness.
  2. irritability.
  3. abdominal pain.
  4. nausea.
  5. vomiting.
  6. increased pressure on the brain.

Which vitamins are toxic if taken in excess?

Given that fat-soluble vitamins can accumulate in the body, these nutrients are more likely to lead to toxicity than water-soluble vitamins. While rare, taking too much vitamin A, D, or E can lead to potentially harmful side effects ( 5 ).

Is it bad to take multiple vitamins at once?

You can—but it’s probably not a good idea. For some supplements, optimal absorption can depend on the time of day taken. Not only that—taking certain vitamins, minerals, or other supplements together can also reduce absorption and may result in adverse interactions, which can be harmful to your health.

Can too many vitamins affect your liver?

Even in high doses, most vitamins have few adverse events and do not harm the liver. Many vitamins are normally concentrated in, metabolized by and actually stored in the liver, particularly the fat soluble vitamins.

How much Vit D should you take a day?

The Vitamin D Council recommends that healthy adults take 2,000 IU of vitamin D daily — more if they get little or no sun exposure. There’s evidence that people with a lot of body fat need more vitamin D than lean people.

Can you get sick from taking too many vitamins?

That may sound like a way to help cover your nutritional bases, especially if your diet is less than stellar. But routinely getting an overload of vitamins and minerals can hurt you. Too much vitamin C or zinc could cause nausea, diarrhea, and stomach cramps.

Can vitamins damage your liver?

What is the most toxic vitamin?

Owing to their ability to accumulate in the body, fat-soluble vitamins have a higher potential for toxicity than do water-soluble vitamins. Iron-containing vitamins are the most toxic, especially in pediatric acute ingestions.

What vitamins can be overdosed?

Vitamin overdose occurs when a person ingests far more than the daily recommendation, for an extended period of time. Although the body can excrete excessive amounts of water-soluble vitamins such as vitamin C, it can retain fat-soluble vitamins such as vitamin A, which can be toxic.

Which vitamins should not be taken at the same time?

Here are six vitamin combinations you definitely shouldn’t take together.

  • Magnesium and calcium/multivitamin.
  • Vitamins D, E and K.
  • Fish Oil & Gingko Biloba.
  • Copper and zinc.
  • Iron and Green tea.
  • Vitamin C and B12.

What vitamins can hurt your liver?

Specific examples of hepatotoxicity are given in the sections on vitamin A and niacin.

  • Folic Acid (Folate, Folinic Acid)
  • Vitamin A & Retinoids. Vitamin A.
  • Vitamin B. Biotin (B5)
  • Vitamin C (Ascorbic Acid)
  • Vitamin D (Cholecalciferol, Ergocalciferol)
  • Vitamin E (alpha Tocopherol)
  • Vitamin K (Menadione, Phytonadione)

What vitamins are dangerous?

Recent research published in the American Medical Association has shown that diabetics who supplement high doses of vitamin B can increase the risk for heart attacks or strokes. Many low quality vitamin supplements are dangerous as they contain synthetic vitamins and fillers, such as magnesium stearate.

Can taking too many vitamins be harmful?

Any vitamin taken in excess can be harmful, though different vitamins will have different effects on the body if misused. For example, too much vitamin C can cause diarrhea, while too much vitamin B6 can lead to nerve damage.

What are the most common side effects of multivitamins?


  • nosebleeds
  • insomnia
  • gout
  • Which vitamins can overdose?

    Vitamin A overdose can occur if a person consumes at least twice the recommended daily dosage of vitamin A for a significant and sustained period of time. Overdose can also occur if an extremely high dose is consumed over a short span of time.