How Many Supplements Is Too Much?

by | Last updated on January 24, 2024

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“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 supplements should not be taken together?

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

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.

What will happen if we take too many supplements?

Usually the body simply excretes the unneeded nutrients. But excess vitamins can trigger

diarrhea, dizziness and vomiting

. And new research suggests that taking more dietary supplements than needed may actually increase your risk of developing cancer and heart disease.

Can I take 3 different 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.

How do you know if you're taking too many vitamins?

The first sign that you've taken too many vitamins or supplements is usually gastrointestinal.

You might experience nausea, vomiting or diarrhea

. It might mean you've taken a vitamin on an empty stomach that you'd better tolerate with food—or that you're taking more supplements than your body should handle.

Which vitamins can you overdose on?

Watch out for these fat-soluble vitamins:

A, E and K

Vitamin A is a fat-soluble nutrient that is naturally present in many foods, like beef, eggs and many fruits and vegetables. An overdose of this vitamin can lead to problems with confusion, hair loss, liver damage and bone loss.

Can too many supplements cause weight gain?

Excess vitamins may also affect the degradation of neurotransmitters and one-carbon metabolism. Therefore,

excess vitamins may trigger obesity through multiple ways, including increasing fat synthesis, causing insulin resistance, disturbing neurotransmitter metabolism and inducing epigenetic changes

.

What vitamins can you take too much of?

Three Nutrients to Watch

Dwyer says

vitamin D, calcium, and folic acid

are three nutrients you may get too much of, especially through supplements. Adults who regularly far exceed the 4,000 international units (IUs) daily safe upper limit for vitamin D might may end up with serious heart problems.

Can taking too many supplements damage your liver?

The answer to whether supplements can harm the liver is

almost certainly yes

. Since the U.S. Food and Drug Administration does not regulate the production of supplements, it is difficult to do rigorous research on exactly what substances in a given supplement may be a potential source of liver damage.

What vitamins can't be taken 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.

How many supplements can I take in a day?

“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 you overdose on One A Day vitamins?

Although are safely consumed by many people on a daily basis,

it's possible to take too high of a dose, which can result in adverse side effects

. Overdosing on certain vitamins can lead to serious complications and, in rare circumstances, even death.

Should I stop taking vitamins if my pee is bright yellow?

So even if you're experiencing bright yellow urine and you're maybe wondering, “Should I stop taking vitamin B if my urine is yellow?”, the best course of action is to

not skip your B-complex vitamins unless it's recommended by your doctor

, as they're extremely important to internal functions that maintain overall …

What happens if you accidentally take 2 One A Day vitamins?

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

.

Who should take CoQ10?

CoQ10 is found to be helpful in those with

congestive heart failure, cardiomyopathy, neurologic disorders such as Parkinson's disease or Huntington's disease, dysfunctional mitochondria, high blood pressure, migraine headaches, and those who have had a recent heart attack

.

Is it good to take a multivitamin everyday?

The researchers concluded that

don't reduce the risk for heart disease, cancer, cognitive decline (such as memory loss and slowed-down thinking) or an early death

. They also noted that in prior studies, vitamin E and beta-carotene supplements appear to be harmful, especially at high doses.

When should I take vitamin D morning or night?

Many people prefer to take supplements such as vitamin D

first thing in the morning

. Not only is it often more convenient, but it's also easier to remember your vitamins in the morning than later in the day.

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.

Why we should not take supplements?

Supplements aren't always safe.

Still, it's important to be cautious when you put anything in your body. Dr. Millstein explains, “

Supplements may interact with other medications you're taking or pose risks if you have certain medical conditions, such as liver disease, or are going to have surgery

.

Why should I not take multivitamins?



Many generic multivitamins contain many heavy metals. These can deposit in your body and have been associated with dementia and other issues

,” says Dr. Levitan. Hill agrees, underscoring that ingesting these harmful contaminants is even more dangerous since you're consuming them every day.

Can vitamin A cause death?

Confirmed:

vitamin pills can cause death

. Ordinary dietary supplements that contain vitamin A, E or beta-carotene increase mortality, a new study shows.

Does vitamin D make you gain weight?


A vitamin D deficiency is unlikely to cause weight gain

. However, it may cause other health problems or unpleasant symptoms, which are worth avoiding. You can maintain adequate vitamin D levels through a combination of limited sun exposure, a vitamin-D-rich diet, and taking vitamin D supplements.

Can supplements cause hair loss?

Over-supplementation of some nutrients may result in multiple toxicities, while

over-supplementation of certain nutrients, including vitamin A, vitamin E, and selenium, may actually result in hair loss

.

Sophia Kim
Author
Sophia Kim
Sophia Kim is a food writer with a passion for cooking and entertaining. She has worked in various restaurants and catering companies, and has written for several food publications. Sophia's expertise in cooking and entertaining will help you create memorable meals and events.