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Within this timeline of several days to several weeks after starting regular B12 injections, patients will be able to notice an increase in clarity with their general brain functioning, improving their mood and memory
Usually, B12 is absorbed in the stomach with the help of an intrinsic factor protein
Each individual will experience a different sensation during a B12 injection
But, do they work
They are not claims of safety, effectiveness, or suitability for human or veterinary use
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