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What are toxicity symptoms for vitamin B12?

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Topic: What are toxicity symptoms for vitamin B12?
Posted By: yellow.green
Subject: What are toxicity symptoms for vitamin B12?
Date Posted: July 22 2010 at 6:27am

What are toxicity symptoms for vitamin B12?

No toxicity levels have been reported for vitamin B12, and no toxicity symptoms have been identified in scientific research studies. Even long-term studies, in which subjects have taken 1,000 micrograms of the vitamin on a daily basis for five years, have revealed no toxicity effects.

When the National Academy of Sciences established its current Tolerable Upper Intake Levels (ULs) for the B complex vitamins in 1998, it did not establish a Tolerable Upper level for vitamin B12.









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