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Taking extra B12 without a confirmed deficiency wont necessarily make you feel more energetic, and pursuing injections without medical need can be unnecessary
PubMed laboratory research record [PMID: 23910416] PubMed record related to this compound for laboratory literature review
Definitely feel a difference in my energy levels however I find I need to take more than twice a week
Some injections may be taken weekly, while others are recommended monthly
Some people may require regular injections to maintain adequate levels for their entire lives, whilst others may just need an initial boost which can then be maintained through diet
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