Jan 9, 2025 · This article presents a comprehensive overview of high vitamin B12 levels, focusing on the causes and symptoms, potential long-term risks of high B12, and how to lower the levels.

Jan 10, 2024 · Causes of high B12 levels: High-dose B12 supplementation. Medical conditions like liver disease, leukemia, or kidney disease can elevate B12 levels without supplementation. …

Summary: High Vitamin B12 Levels. To sum up, are your vitamin B12 levels too high? Your first priority is to rule out any underlying conditions, such as kidney failure, liver disease, or cancer, …

Depending on the cause of your high B12, your symptoms may be related to an underlying condition. Still, high doses of B12 via supplements or injections may cause temporary …

Feb 24, 2023 · Vitamin B12 deficiency can lead to serious complications such as nerve damage, anemia, and fatigue, which is why those at risk should talk with their doctor about adding a …

May 17, 2024 · Usually a high B12 level is from a supplement. But it’s also not usually considered dangerous because your body eventually dumps the excess B12 (that said, you can have …

So, if your blood test shows high B12 levels, but everything else seems normal, you should keep a couple of things in mind: The standard B12 range of 160 to 950 pg/mL is far from optimal. …

People who take high amounts of B-12 supplements could have elevated vitamin B-12 levels. Although your body typically excretes excess vitamin B-12 in the urine, having too much of the …

Feb 7, 2023 · Another possible cause of elevated vitamin B12 levels is a blood disorder (QJM, June 2013). Some people with high vitamin B12 levels are at greater risk for liver or pancreatic …

Elevated blood levels of vitamin B12 are generally associated with increased amounts of proteins that carry vitamin B12 in the bloodstream or release of stored vitamin B12. The most obvious …