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Macro-B12 should be suspected when a markedly high value persists with no B12 exposure, sits with an unrevealing workup, and disagrees with functional markers
If the rash worsens or does not go away, you should consult with a healthcare provider
TB-4 is on the prohibited list
The vitamins may take some time to fully absorb into the body, meaning with injections it may take a few days or weeks before the effects are noticeable, and may take a bit longer for vitamin supplements, but at the recommendation of a doctor, you should feel better with the correct amount of vitamin B12 being taken regularly
