What happens if you take too many daily vitamins?

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. Too much selenium could lead to hair loss, gastrointestinal upset, fatigue, and mild nerve damage.

Can too many vitamins hurt your head?

Multivitamins that offer large amounts of fat-soluble vitamins can be harmful, as excess levels of these vitamins can build up in the body. For instance, excess intakes of vitamin A may cause headaches, liver damage, weaker bones, and birth defects ( 11 ).

Is it safe to take multiple vitamins everyday?

There actually can be too much of a good thing, and anything in excess — whether vitamins, supplements or food — can cause serious problems. In terms of vitamins, some are fat-soluble, meaning they are stored in the liver, and you don’t need them every day, while others are water-soluble, and need to be replenished.

Are there negative consequences to consuming a multivitamin?

Minerals (especially taken in large doses) can cause side effects such as tooth staining, increased urination, stomach bleeding, uneven heart rate, confusion, and muscle weakness or limp feeling. When taken as directed, multivitamins and minerals are not expected to cause serious side effects.

Can too much vitamin A be harmful?

Too much vitamin A can be harmful. Even a single large dose — over 200,000 mcg — can cause: Nausea. Vomiting.

What vitamins are toxic?

Most people do not need vitamin supplements. Megadoses of vitamins A, D, E or K can be toxic and lead to health problems.

What vitamin can cause headaches?

The excessive ingestion of fat-soluble vitamins, such as vitamin A and D, and some water-soluble vitamins, including the various B vitamins and vitamin C, has the potential for serious side effects. Niacin may cause headaches.

Does too much zinc cause headaches?

Signs of too much zinc include nausea, vomiting, loss of appetite, stomach cramps, diarrhea, and headaches. When people take too much zinc for a long time, they sometimes have problems such as low copper levels, lower immunity, and low levels of HDL cholesterol (the “good” cholesterol).

How many vitamins are too many?

“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.

What vitamins can cause headaches?

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.

Can vitamins give you migraines?

Can you take too many vitamins at once?

There actually can be too much of a good thing, and anything in excess — whether vitamins, supplements or food — can cause serious problems. In terms of vitamins, some are fat-soluble, meaning they are stored in the liver, and you don’t need them every day, while others are water-soluble, and need to be replenished.

What happens if you take too many vitamin D pills?

Vitamin A toxicity may lead to serious complications, such as increased spinal fluid pressure, coma, and potentially fatal organ damage (23). Additionally, taking megadoses of vitamin D — more than 50,000 IU daily — over long periods can lead to high blood levels of calcium (hypercalcemia), which can lead to death (24).

What are the dangers of too much Vitamin B-6?

Vitamin B-6. This is a water-soluble vitamin, which means you just pee out the excess, says Rosenbloom. The upper tolerable limit is 100 mg day, and in pill form it’s easy to get that much. “In high doses, people have problems with temporary nerve damage — they lose feeling in their hands and feet,” she tells WebMD.

Are there any supplements that can cause harm?

There are some supplements that can cause harm, so you have to be aware of what you’re taking. There are water-soluble and fat-soluble vitamins. Water-soluble vitamins have less tendency to cause harm because we can flush them out of the system with water, while fat-soluble vitamins are absorbed slowly and stored longer.