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Large-scale, well-designed trials with proper randomization and blinding are needed to determine whether high-dose oral supplementation is as effective as intramuscular injection for increasing vitamin B 12 status and alleviating clinical symptoms of vitamin B 12 deficiency
I typically don't recommend this kind of B12
Nausea, diarrhea, and constipation affect significant percentages of users during dose escalation
I shook it out and contorted my body, trying to stretch my limb to rid myself of the feeling but felt no relief
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