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Still, that effect did not replicate at scale in the larger, longer Phase IIb study designed to confirm it which is the standard reason a compounds development gets discontinued rather than a sign the compound is unsafe
When shopping for a B12 supplement, be sure to choose a product thats appropriate for your dietary needs and preferences
Never increase more than 100mcg at a time, and allow at least one week at each dose before further adjustment
Being honest about that gap is not a weakness of this guide it is the accurate picture, and it is why every dosing figure here is framed as a research protocol rather than a recommendation
It is difficult to self-inject in this spot, so usually a trained spouse, friend or healthcare professional is needed for a shot of B12 in your arm