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how often is b12 injection given Vitamin Dosage Vitamin B12 Injections: Benefits and
Description
Store it at room temperature (between 59F and 85F) in a dark placethose amber-colored bottles aren't just for looks, they actually help protect the vitamin from light degradation

For ongoing care: 1 mL (1000 mcg) given as an intramuscular shot once a month

It is important to rotate your B12 injection sites to keep your skin healthy, as repeated shots in the same site may cause scarring or swelling

[DOI] [PMC free article] [PubMed] [Google Scholar] 170.Haynes AC, Chapman H, Taylor C, et al
