Can you get too much vitamin B?

You're unlikely to get too much vitamin B complex from your diet. That's because B complex vitamins are water soluble. That means they aren't stored in your body but are excreted in your urine daily. You're also unlikely to get too much vitamin B if you're taking any supplementation as directed.
Takedown request   |   View complete answer on healthline.com


What happens if your B vitamins are too high?

High doses of vitamin B-12, such as those used to treat a deficiency, might cause: Headache. Nausea and vomiting. Diarrhea.
Takedown request   |   View complete answer on mayoclinic.org


How much vitamin B is too much daily?

There is no toxic dose established in humans. However, at doses higher than 50 mg per day, some side effects such as skin flushing can occur. Therapeutic doses of 1500 to 1600 mg per day can be given, but with a risk of liver toxicity, especially in the presence of pre-existing liver disease.
Takedown request   |   View complete answer on news-medical.net


What does it mean if your B12 is too high?

An abnormally high vitamin B-12 status can be an early sign of liver disease, diabetes, or certain types of leukemia. A doctor may use the results of a vitamin B-12 test to help form their diagnosis.
Takedown request   |   View complete answer on medicalnewstoday.com


Is there a limit to how much vitamin B you can take?

The Office of Dietary Supplements (ODS) do not provide an upper limit for vitamin B-12. This is because people usually tolerate vitamin B-12 well with no unwanted side effects.
Takedown request   |   View complete answer on medicalnewstoday.com


Can you take too much Vitamin B?



Is it OK to take B complex everyday?

Since B vitamins are water-soluble, it's unlikely that you will consume too much of these nutrients through food or by taking a B-complex supplement as directed. However, taking supplements that contain excessively high and unnecessary quantities of B vitamins could lead to serious side effects.
Takedown request   |   View complete answer on healthline.com


What vitamins should not be taken together?

Here are six vitamin combinations you definitely shouldn't take 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.
Takedown request   |   View complete answer on sheknows.com


What medications should not be taken with B12?

Certain medications can decrease the absorption of vitamin B12, including: colchicine, metformin, extended-release potassium products, antibiotics (such as gentamicin, neomycin, tobramycin), anti-seizure medications (such as phenobarbital, phenytoin, primidone), medications to treat heartburn (such as H2 blockers ...
Takedown request   |   View complete answer on webmd.com


Can too much B12 cause neuropathy?

Thus, vitamin B12 may be associated with both sensory and motor peripheral nerve function. In older adults, the prevalence of poor peripheral nerve function and neuropathy is high and increases with age1821.
Takedown request   |   View complete answer on ncbi.nlm.nih.gov


How much B12 do you need daily?

How much vitamin B12 do I need? Adults (aged 19 to 64) need about 1.5 micrograms a day of vitamin B12. If you eat meat, fish or dairy foods, you should be able to get enough vitamin B12 from your diet.
Takedown request   |   View complete answer on nhs.uk


What are the side effects of vitamin B complex?

Vitamin B Complex Side effects:
  • Stomach Cramp.
  • Rashes.
  • Itching.
  • Dizziness.
  • Trouble in breathing.
  • Vomiting.
  • High blood sugar levels.
Takedown request   |   View complete answer on medicoverhospitals.in


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

Bright yellow urine is common when taking a vitamin B complex, specifically due to the B2 vitamin, also known as riboflavin. In fact, “flavin” comes from the Latin “flavus” which means yellow. So don't ditch your daily vitamins yet—they're actually a vital part of maintaining your overall health.
Takedown request   |   View complete answer on parsleyhealth.com


Should I take B12 or B complex?

When it comes to the issue of vitamin B12 vs B complex, both types of vitamins are crucial. If you're lacking B12, consume more of it via supplements or food. If you're lacking vitamin B in general, consider B complex vitamins instead. Overall, both vitamins are essential nutrients.
Takedown request   |   View complete answer on blog.sfgate.com


What are the signs of vitamin overdose?

  • Intestinal bleeding (from iron)
  • Appetite loss.
  • Constipation (from iron or calcium)
  • Diarrhea, possibly bloody.
  • Nausea and vomiting.
  • Stomach pain.
  • Weight loss (from long-term overdose)
Takedown request   |   View complete answer on mountsinai.org


Is 1000 mcg B12 too much?

High doses of B vitamins over 1,000 mcg have also been associated with complications in people with kidney disease ( 22 ). Furthermore, extremely high blood levels of B12 in mothers was connected to a higher risk of autism in their children ( 23 ).
Takedown request   |   View complete answer on healthline.com


Can too much B12 cause numbness and tingling?

Tingling sensation or Numbness

In some patients, tingling sensation is experienced mostly in the right side of the body. This symptom is one of the early warning indicators of Vitamin B12 overdose.
Takedown request   |   View complete answer on medicoverhospitals.in


Can vitamin B12 cause heart problems?

Macrocytosis associated with vitamin B12 deficiency is also associated with fatal and non-fatal coronary disease, myocardial infarction, stroke, and other circulatory health problems.
Takedown request   |   View complete answer on ajpmonline.org


How much B12 should an elderly woman take?

Dosages for Older People

Around this age, you should be getting around 2.4 micrograms of B12 a day. Not only does this mean consciously eating foods that contain vitamin B12 but it also means that you should ingest this vitamin as a supplement. By taking supplements, you will ensure that your body absorbs vitamin B12.
Takedown request   |   View complete answer on webmd.com


What are the symptoms of low B12?

Vitamin B12 or folate deficiency anaemia can cause a wide range of symptoms. These usually develop gradually, but can worsen if the condition goes untreated.
  • extreme tiredness (fatigue)
  • lack of energy (lethargy)
  • breathlessness.
  • feeling faint.
  • headaches.
  • pale skin.
  • noticeable heartbeats (palpitations)
Takedown request   |   View complete answer on nhs.uk


Does vitamin B12 raise blood pressure?

We found that a higher intake of vitamin B12 was associated with lower systolic and diastolic blood pressure and a higher intake of folic acid was associated with lower systolic blood pressure in children.
Takedown request   |   View complete answer on academic.oup.com


Can B12 cause anxiety?

B12 deficiencies are often a root cause of neurological, psychiatric and cognitive issues. Having a B12 deficiency puts you at risk for developing depression and anxiety, fatigue, and can worsen hypothyroid and other health concerns.
Takedown request   |   View complete answer on victoriaalbina.com


Can I take vitamin D and B12 together?

Interactions between your drugs

No interactions were found between Vitamin B12 and Vitamin D3.
Takedown request   |   View complete answer on drugs.com


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.
Takedown request   |   View complete answer on bannerhealth.com


Is taking vitamin B complex good for you?

B vitamins play a vital role in maintaining good health and well-being. As the building blocks of a healthy body, B vitamins have a direct impact on your energy levels, brain function, and cell metabolism. Vitamin B complex may help prevent infections and help support or promote: cell health.
Takedown request   |   View complete answer on healthline.com


Can B complex cause weight gain?

It has long been known that B vitamins at doses below their toxicity threshold strongly promote body fat gain. Studies have demonstrated that formulas, which have very high levels of vitamins, significantly promote infant weight gain, especially fat mass gain, a known risk factor for children developing obesity.
Takedown request   |   View complete answer on ncbi.nlm.nih.gov
Previous question
Which Dark Souls game is hardest?