how to inject vitamin b12 at home Instruction Guide for Intramuscular (IM) Self-injection of Methylcobalamin 1mg/5mg Vitamin C and B12 Injection
Description
Some patients report it as a less painful alternative because the needle that goes into the fatty tissue just below the skin is thinner and shorter, usually one-half to five-eighths of an inch long

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Alhallak K, Sun J, Jeske A, et al

[DOI] [PMC free article] [PubMed] [Google Scholar] 232.Sporny, M
International Journal of Obesity
