An abnormally high vitamin B-12 status is anything over 900 pg/mL. This result may suggest liver or kidney problems, diabetes, or certain forms of leukemia.

What is a dangerously high B12 level?

An abnormally high vitamin B-12 status is anything over 900 pg/mL. This result may suggest liver or kidney problems, diabetes, or certain forms of leukemia.

What happens if you overdose on B vitamins?

Vitamin B overdose not only affects one physically but has a negative impact on mental health as well. Some of the negative side effects of vitamin B overdose include mood swings, restlessness, depression, and panic attacks.

Is B12 level of 1500 too high?

But a normal level of vitamin B12 in your bloodstream is generally between 190 and 950 picograms per milliliter (pg/mL). Between 200 to 300 pg/mL is considered borderline and your doctor may do more testing. Below 200 pg/mL is low and more testing is needed.

Is 5000 mcg B12 too high?

Is 5000 mcg of B12 too much? A dosage of 5000 mcg of Vitamin B12 has been deemed a safe dosing amount. In fact, it is often recommended for those who have a health condition that affects their B12 absorption.

How long does it take to get rid of excess B12?

Unlike most other vitamins, B12 is stored in substantial amounts, mainly in the liver, until it is needed by the body. If a person stops consuming the vitamin, the body’s stores of this vitamin usually take about 3 to 5 years to exhaust.

Can vitamin B complex cause anxiety?

A 2017 study found that people who had lower blood levels of vitamin B-12 were more likely to have depression or anxiety. A 2018 study found that people who ate foods high in B vitamins — in this case, yeast based spreads such as Marmite and Vegemite — had better anxiety and stress scores than people who did not.

Is 500 a good B12 level?

The vitamin B12 standard reference range is 200–700 pg/ml whereas the proposed optimal range is 500–1300 pg/ml [10]. Higher vitamin B12 ranges have been associated with increased cognitive function, and reflexes, decreased brain atrophy, confusion, weakness and depression [10].

Can I take 6000 mcg of B12?

While megadoses of up to 2,000 mcg are considered safe in treating B12 deficiency, it’s always best to avoid excessive amounts of any vitamin, especially when it’s not needed.

Which foods contain the most vitamin B?

The Top 10 Highest Vitamin B Content Foods 1. Clams, Oysters and Mussels. Not only are they lower in cholesterol but contain more vitamin B12. The best cut for this is the shoulder as well as the fore shank, leg and finally lamb chops provide a hearty meal rich in vitamin B. This is a fairly common meat in New Zealand, Australia, the Middle

What happens when you take too much vitamin B complex?

When you take too much vitamin B complex or particularly excess of vitamin B12, it can cause shortness of breath, pain and numbness in limbs and increase risk of cardiac problems. In some cases, the patient develops an allergy towards all the members of vitamin B complex group.

Can you take too much vitamin B?

Vitamin D is one such vitamin that can be obtained not only from our daily diet but also created by our bodies. Vitamin D insufficiency has been linked to four major malignancies: breast, ovarian, colon, and prostate cancers, according to studies.

Which vitamin B should I take?

Take Vitamin B5 For Healthy Hormones. All people age 14 and older should get 5 mg of vitamin B5 each day, according to the Food and Nutrition Board of the Institute of Medicine. You can find vitamin B5 in vegetables of the cabbage family, such as broccoli and kale, as well as in avocado.