what size syringe for b12 injections which needle to use injection Shots at Home: How, Where & How Often Inject Yourself for b12 – Dr. prescribed B12 injections. Pharmacy

2016 Apr;52(1):120-9

doi: 10.3389/fnut.2022.1048122 51

Parenteral and intranasal cyanocobalamin, vitamin B12 are classified as pregnancy category C

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Other Uses Compounded methylcobalamin injections and other forms of vitamin B12 injections like hydroxocobalamin and cyanocobalamin may also be prescribed for those with pernicious anemia, diabetes, neuropathy, heart disease, circadian rhythm sleep disorders, memory loss, depression, fatigue, AIDS, inflammatory bowel disease (IBD), Lyme disease, osteoporosis, tendonitis, psychiatric disorders, Alzheimers disease, liver and kidney disease, and asthma