Is B12 level of 1000 too high?

There is no consensus on the definition of high or elevated B12. Previous studies have chosen a variety of levels to represent high or very high B12 (pmol/l) levels. Some examples include: 664.219; 5131; 700 (high) and 1500 (very high)11; and 601 (high) and 1000 (very high)10.

Does high vitamin B12 mean cancer?

Elevated plasma vitamin B12 has been associated with an increased cancer risk. This large cohort study shows that cancer patients with high B12 have increased mortality.

How does the body get rid of excess vitamin B?

B vitamins are water-soluble vitamins. In other words, they can dissolve in water – so excess B vitamins your body doesn’t use are washed out through urination, for example.

Why would vitamin B12 be 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.

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 does high B12 blood levels really mean?

High blood B12 levels can occur in liver conditions such as cirrhosis and hepatitis. Alcoholic liver disease is an example of a liver condition associated with high vitamin B12 . With alcoholic liver disease, vitamin B12 as well as its carrier proteins can be elevated.

What happens when B12 is too high?

It is, however, important to note that too much B12 may cause issues in certain cases. In some people, high levels of B12 may cause gastrointestinal problems such as bloating and diarrhea. And if you have high blood pressure or poor cardiovascular health, having too much B12 may further complicate these issues.

What does a high B12 level indicate?

Low levels of the vitamin can cause neurological symptoms, as well as fatigue, constipation, and weight loss. High B-12 levels may indicate liver disease, diabetes, or another condition.

What are the dangers of high B-12 levels?

While vitamin B12 is generally not considered toxic in high levels, it’s important to determine if the elevation is due to excess vitamin supplements since other causes of a high vitamin B12 level are usually serious. High vitamin B12 levels are associated with many blood diseases, including various types of leukemia and related blood disorders.