best to inject b12 subcutaneously or intramuscular How SubQ Injections Like and NAD+ Fit Your Routine How to Give a B12
Description
Both methods can effectively raise your vitamin B12 levels, but they work differently
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AN: Data curation, Investigation, Methodology, Writing original draft

[DOI] [PubMed] [Google Scholar] 6.Garca-Casal MN, Osorio C, Landaeta M, Leets I, Matus P, Fazzino F, Marcos E

It is found in a variety of foods such as fish, shellfish, meats, and dairy products

Side effects include flushing, chest tightness or pressure, headache, weakness, and flu like symptoms that can last a few minutes
