Tag: Elevated cobalamin

While excess vitamin B12 is often harmlessly excreted in the urine due to its water-soluble nature, abnormally high blood levels detected during a lab test can signal an underlying medical issue that requires investigation.

While excess vitamin B12 is typically excreted by the body in the urine, elevated blood levels, known as hypercobalaminemia, can sometimes occur due to underlying medical conditions rather than simply from diet. These high levels may cause noticeable side effects, making it important to understand how do you feel when your B12 is high and what might be triggering the issue.