b12 injection is for Vitamin Dosage Vitamin B12 Injection at a

[DOI] [PMC free article] [PubMed] [Google Scholar] 24.Foitzik K., Lindner G., Mueller-Roever S., Maurer M., Botchkareva N., Botchkarev V., Handjiski B., Metz M., Hibino T., Soma T., et al

10.1016/j.cmet.2018.03.002 10 ClarkeC.XiaoR.PlaceE.ZhangZ.SondheimerN.BennettM.et al (2013)

The short answer is yes

This is why many people report feeling a noticeable difference in their energy levels and mental clarity much faster with injections compared to pills

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Athletes assume responsibility for supplement use, and WADA recommends using reputable third-party certification programs if athletes choose to use dietary supplements