How many vitamins can you take at once?

"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.

Can I take 5 different 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 you take all multiple vitamins at once?

Combining supplements will not normally interfere with the way they work and in some cases may be beneficial, for example vitamin C helps iron absorption. However, certain supplements may interact with each other.

Is it okay to take 2 vitamins at the same time?

Avoid taking more than one multivitamin product at the same time unless your doctor tells you to. Taking similar vitamin products together can result in a vitamin overdose or serious side effects. Many multivitamin products also contain minerals such as calcium, iron, magnesium, potassium, and zinc.

What vitamins should not be taken together?

Vitamin combinations to avoid

  • Vitamin C with vitamin B-12.
  • Vitamin A supplement with vitamin A-rich foods.
  • Folic acid (vitamin B9) and vitamin B12.
  • Vitamin E and vitamin K.

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Can taking to many vitamins hurt you?

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.

What happens if I take too much multivitamin?

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 better to take a multivitamin or individual vitamins?

Tailored Vitamins Better than Multivitamins There's no real rationale behind multivitamins, say nutrition experts. A better strategy is to take just the vitamins a person needs based on age and diet.