High levels of vitamin B12 in the blood can be due to a variety of reasons, including diet, medication, supplements, or certain health conditions. From a Functional Nutritionist perspective, addressing elevated B12 levels involves looking at the individual's whole health picture, including lifestyle, diet, and other factors, to understand the root cause.
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Excessive Supplementation or Injection:
- The most common cause is usually due to taking too much B12 through supplements or injections.
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Liver Disease:
- Elevated B12 can be a sign of liver disease, as the liver stores vitamin B12 and may release too much into the blood when damaged.
