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For extended protocols, researchers typically find that 2-3 vials provide sufficient material for a complete study
The mechanism behind the possible influence of B12 on the circadian rhythm is not clear, but there is evidence to suggest that B12 may increase the light sensitivity of the circadian clock
The body regulates B12 absorption through intrinsic factor, a protein produced in the stomach that binds to B12 and facilitates its uptake in the terminal ileum
This means it hasn't undergone the rigorous testing required to ensure its safety and efficacy
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