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What Are the Symptoms of a Beta Carotene Overdose?

K.C. Bruning
Updated Mar 03, 2024
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The most common effect of a beta carotene overdose is orange or yellow discoloration of the skin. This coloring is typically most concentrated in the palms of the hands and on the bottoms of the feet, though it has also been known to develop on the face. Diarrhea, uncharacteristic bruising or bleeding, and dizziness are other reported effects of a beta carotene overdose.

In general, a beta carotene overdose is not considered to be serious if it is addressed promptly. The effects are generally easily treatable. In most cases, an overdose can be treated by discontinuing use of the supplement. It may also be possible to treat side effects by reducing the dosage.

To avoid a beta carotene overdose, it is advisable to only use the supplement temporarily to target specific conditions. General use over long periods of time may put an individual at higher risk of side effects. Current or past regular use of cigarettes and heavy consumption of multivitamins can add to the risk of an adverse reaction. Past exposure to asbestos can also make taking the supplement problematic.

There are some medications and supplements which can lose their effectiveness when taken with beta carotene supplements. Cholesterol-lowering medications may be less effective if they are taken in combination with the supplement and vitamin C, vitamin E, and selenium. This includes any of the drugs in the class known as statins. Taking this combination of vitamins with niacin can reduce its effectiveness as well.

Several organizations, such as the World Cancer Research Institute, World Health Organization, and American Cancer Society, recommend getting beta-carotene from whole, fresh foods. This is primarily because there has been little evidence to support the safety of getting this or any other antioxidant from supplements. It has historically not been determined that there is any condition that would require a beta-carotene supplement.

There are also some substances that impede the effectiveness of beta carotene supplements. Excessive consumption of alcohol can lower the level of the substance in the body. It can also increase the amount of retinol, which is believed to have a connection with a higher risk of cancer. Fat substitute products may also reduce the effectiveness of beta carotene supplements.

Beta carotene is one of many pigments that provide a significant amount of vitamin A. Some of the foods in which it can be found include whole grains, vegetables, and fruits. In food or as a supplement, it is used to treat the symptoms of a wide array of conditions including asthma, epilepsy, and Alzheimer’s disease.

The Health Board is dedicated to providing accurate and trustworthy information. We carefully select reputable sources and employ a rigorous fact-checking process to maintain the highest standards. To learn more about our commitment to accuracy, read our editorial process.
K.C. Bruning
By K.C. Bruning , Former Writer
Kendahl Cruver Bruning, a versatile writer and editor, creates engaging content for a wide range of publications and platforms, including The Health Board. With a degree in English, she crafts compelling blog posts, web copy, resumes, and articles that resonate with readers. Bruning also showcases her passion for writing and learning through her own review site and podcast, offering unique perspectives on various topics.

Discussion Comments

By anon957367 — On Jun 19, 2014

Actually, you can overdose on beta carotene from food - especially carrots. My daughter was diagnosed with it as a toddler because I was accidentally feeding her lots of carrots through the "toddler" vegetable/meat combinations. Every one of them had carrots in them. Her pediatrician noticed it right away and no harm was done, but don't feed little kids too many carrots!

By stoneMason — On Apr 12, 2013

@literally45-- Yea, this is why doctors recommend getting fat soluble vitamins like beta carotene from food rather than from supplements. Food doesn't contain enough of the vitamin for us to overdose on it.

I think I once overdosed on beta carotene. I didn't have skin discoloration but I did feel very tired and nauseated for several days. I didn't talk to my doctor about it but I noticed that the symptoms disappeared when I stopped taking my beta carotene supplement.

By literally45 — On Apr 11, 2013

@anamur-- It is definitely possible to develop beta carotene toxicity. This is not true for all vitamins, there are some vitamins like vitamin B12 that is very difficult to overdose on.

But beta carotene is a type of vitamin A and it's a fat soluble vitamin which means that it is stored in the body. The risk of overdosing on fat soluble vitamins is much higher than the risk of overdosing on water soluble vitamins. This is because the excess of water soluble vitamins are excreted out of the body through urine.

By serenesurface — On Apr 11, 2013

Oh, I didn't know that it's possible to overdose on vitamins. I guess I should take it easy with my supplements. I've been taking a multivitamin with a lot of beta carotine three times a day.

K.C. Bruning

K.C. Bruning

Former Writer

Kendahl Cruver Bruning, a versatile writer and editor, creates engaging content for a wide range of publications and...
Learn more
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