what is the theory behind taking b12 injections Are Shots Safe? Royal Palm Beach Medical Group Vitamin B12 Injections: Unlock Energy,
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PMID 17474166

Contact your local clinic or book online to try vitamin B12 injections or IV therapies for yourself
Mechanism, real evidence, FDA and WADA status

[DOI] [PubMed] [Google Scholar] 127.Tansey JT, Sztalryd C, Gruia-Gray J, Roush DL, Zee JV, et al
B12-replete patients were taking a mean ( SD) of 1.00 ( 0.96) g/day while B12-deficient patients took a mean of 1.90 ( 0.99) g/day, P 65 years old with diabetes mellitus in a primary care setting

[1] Timing of administration is flexible, though some people prefer taking B12 in the morning
