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b12 injection breastfeeding Vitamin - Drugs and Lactation Database (LactMed®) Vitamin B12 Injection – Manufacturer
Description
[DOI] [PMC free article] [PubMed] [Google Scholar] 342.Cha, Y

While injectable B12 is generally considered more effective, oral supplements are an acceptable alternative depending on the needs of the patient

Most patients schedule weekly sessions to sustain their energy and metabolism
Safety depends on your overall health, medications and adherence to professional protocols