Is 2000 too high for 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.

What does B12 greater than 2000 mean?

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 B12 level of 1200 too high?

The normal range for vitamin B12 (total) is between 200 – 1100 ng/L (nanograms per liter), 200 – 1100 pg/mL (picograms per milliliter), or 148 – 811 pmol/L (picomoles per liter). The normal range for active vitamin B12 (holoTC) is around 20 – 134 pmol/L (picomoles per liter).

Should I be worried about high B12 levels?

There is no upper limit for vitamin B-12 intake because consuming high levels does not cause problems. However, having naturally high levels of vitamin B-12 in the body may be a cause for concern, as it suggests a severe underlying condition.

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 causes too much B12 in the blood?

The most common cause of high B12 in the blood is due to recent ingestion or injection of supplemental vitamin B12. We don’t worry about overdosing on B12 supplements because excess can be excreted in your urine. It could also be possibly from your diet if high in animal products such as meat, eggs, and shellfish.

What does a high B12 level indicate?

High levels of vitamin B-12 can be a sign of liver disease, certain types of leukemia, or diabetes. Vitamin B-12 deficiency is a common condition. Between 1.5 and 15 percent of Americans have low levels of vitamin B-12, according to the National Institutes of Health .

What are the results of a vitamin B12 blood test?

– Pernicious Anaemi… I’m a Senior female who recently had a blood test that shows a high level of vitamin B-12. The level is 2000. I have never taken the B-12 shots only multi vitamins. I have diabetes and have read that a high level of B-12 could be linked to diabetic kidney cancer.

Is it normal to have high vitamin B12 levels?

This review reflects the potential importance of the vitamin B12 assay as an early diagnostic marker of these diseases. If you’ve been supplementing, however, high levels are normal. Most of it gets flushed out in the urine; the rest is absorbed in the liver, kidneys and muscle tissues.

When did my B12 levels come back down?

My b12 blood test levels came back over 2000. I have MS and have been taking b12 supplements for three years. If I stop taking them, will my levels come back down? How long will it take?

What should my B-12 level be for kidney cancer?

The level is 2000. I have never taken the B-12 shots only multi vitamins. I have diabetes and have read that a high level of B-12 could be linked to diabetic kidney cancer. What test do I need to ask for to see if this is a possibility? Read more about… Are you affected by pernicious anaemia?