What happens if I eat too many vitamins
John Johnson
Updated on April 07, 2026
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 you eat 3 gummy vitamins?
If you or your child has eaten too many gummy vitamins, you should call Poison Control immediately. But it’s unlikely you’ll need emergency aid if you eat too many gummy vitamins. Eating too many gummy vitamins may cause diarrhea, vomiting, constipation, or headaches.
Is it bad to eat more multivitamins?
Overconsumption of vitamin E could lead to bleeding, and vitamin D could lead to excess calcium in the blood, says Dr. Cooperman. Excessive consumption of vitamins A, C, and D can include nausea, rash, headache, and even more severe effects, according to the American Academy of Pediatrics (AAP).
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.Can I take 4 gummy vitamins?
Can you overdose on gummy vitamins? It is possible to take too many gummy vitamins, but often this does not warrant medical attention. Gummy multivitamins contain a variety of vitamins and minerals, some of which are toxic in large doses and others that are not.
What happens if I accidentally take two multivitamins?
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.
What would happen if I ate a whole bottle of multivitamins?
Consuming large amounts of vitamins and fillers in a short about of time can cause nausea and vomiting. Nausea and vomiting can also be signs of vitamin A toxicity.
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 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.
Can you get vitamin A poisoning?(Retinol Toxicity) Vitamin A toxicity can be acute (usually due to accidental ingestion by children) or chronic. Both types usually cause headache and increased intracranial pressure. Acute toxicity causes nausea and vomiting.
Article first time published onWhat happens if you eat a lot of vitamin C gummies?
Although too much dietary vitamin C is unlikely to be harmful, megadoses of vitamin C supplements might cause: Diarrhea. Nausea. Vomiting.
What happens if a child eats too many multivitamins?
“Most children may not have serious repercussions if they’ve ingested more than the recommended dose of a multivitamin, unless the ingredients include calcium, which can lead to very serious heart conditions including an irregular heartbeat, or iron toxicity which can cause too much acid to build up in your body, …
Can multivitamins make you gain weight?
For generally healthy people, taking a multivitamin won’t help in weight gain. Unfortunately multivitamins will not help you gain weight, but your body does need vitamins to grow, develop, and function normally.
What vitamin can you not overdose on?
However, similarly to vitamin K, certain water-soluble vitamins have no observable toxicity and hence no set UL. These vitamins include vitamin B1 (thiamine), vitamin B2 (riboflavin), vitamin B5 (pantothenic acid), vitamin B7 (biotin), and vitamin B12 (cobalamin) ( 9 , 10 , 11 , 12 , 13 ).
Is it OK to take 2 multivitamins a day?
Taking two multivitamins a day can put your health in danger and cause severe toxicity. When consumed in large doses, certain nutrients may affect the kidneys, increase the risk of bleeding and promote the formation of calcium stones, among other side effects.
Is 50000 IU of vitamin A Safe?
Conclusions: The vitamin A doses of 50000 and 75000 IU/day for 1 year proved safe and equally more efficacious than the 25000 IU/day dose and can be recommended for future skin cancer chemoprevention studies.
Can you OD on B complex?
That said, overdose is possible — especially if you’re taking a supplement without receiving a deficiency diagnosis from your doctor. Symptoms of a vitamin B complex overdose include: excessive thirst. skin conditions.
Are vitamins a waste of money?
The researchers concluded that multivitamins 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 is the best time to eat vitamins?
Neil Levin, a clinical nutritionist at NOW Foods, agrees that morning is best for multivitamins and any B vitamins. “Multivitamins tend to do best when taken earlier in the day, as the B vitamins in them might stimulate metabolism and brain function too much for a relaxing evening or before bed,” Levin says.
Is it good to take a multivitamin everyday?
Most multivitamins should be taken once or twice per day. Make sure to read the label and follow the recommended dosage instructions. Multivitamins are available in pharmacies, large discount stores, and supermarkets, as well as online. Multivitamins are supplements that contain different vitamins and minerals.
Can I eat too much vitamin A?
Yes, high intakes of some forms of vitamin A can be harmful. Getting too much preformed vitamin A (usually from supplements or certain medicines) can cause dizziness, nausea, headaches, coma, and even death. High intakes of preformed vitamin A in pregnant women can also cause birth defects in their babies.
How much vitamin A is toxic?
The acute toxic dose of vitamin A is 25,000 IU/kg, and the chronic toxic dose is 4000 IU/kg every day for 6-15 months.
What are the symptoms of too much vitamin A?
Consuming very large amounts of vitamin A all at once can cause drowsiness, irritability, headache, nausea, and vomiting within hours, sometimes followed by peeling of the skin. Pressure within the skull is increased, particularly in children, and vomiting occurs.
How much vitamin C does it take to overdose?
The side effects typically occur in those people taking the vitamin in supplement form. If you’re taking Vitamin C supplements and you consume more than 2,000 mg at once, you may begin to experience Vitamin C toxicity.
What happens when you ingest too much zinc?
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).
Do vitamins make you eat more?
Certain vitamins and minerals, including zinc and vitamin B-1, can increase appetite. However, these usually only work if the person has deficiencies in these nutrients. Other supplements, such as omega-3 fatty acids, may boost appetite.
Can multivitamins cause acne?
“One of the most important findings from our review is that even common everyday supplements like vitamins B6 and B12 may cause acne,” says Dr. Katta.
Do vitamins make you bloated?
Medicines or nutritional supplements. Both prescription and nonprescription medicines, as well as dietary supplements, can cause bloating and gas as side effects.
How do you know if you are overdosing on vitamins?
Here are a few vitamins that are proven to be toxic if taken in excess, as well as their symptoms of overdose: Iron- Nausea, bloody stools, diarrhea, dizziness, headache, fluid build-up in the lungs and fever. Vitamin A-Hair loss, liver damage, severe headaches, bone pain, blurred vision, dry skin and vomiting.
Why do vitamins hurt my stomach?
“Taking vitamins on an empty stomach can frequently upset the GI tract,” says gastroenterologist Christine Lee, MD. “Many people experience stomach pains, nausea and even diarrhea.”