can i give myself b12 injections how often should get vitamin B12 Shots at Home: How, Where & How Often to Inject Yourself Patients self-injecting vitamin B12 without

Normal Dose of B12 Injection for Adults (100-1,000 mcg) The normal dose for adults ranges from 100 mcg to 1,000 mcg

The 2024 NICE NG239 guideline on vitamin B12 deficiency in over-16s lists the main groups who need injections: Autoimmune gastritis (pernicious anaemia)

adults have low B12 levels, especially vegetarians, vegans, and older adults

Avoid self-administering or altering the dosage without medical guidance

Active Aging Vitamin B12 Injection: Boosts energy, improves mood, protects against cognitive decline

"Exploring the Impact of Cigarette Smoke Extracts on Vitamin B 12 : Insights into the Transformation of Methylcobalamin and Hydroxycobalamin to Cyanocobalamin through In Vitro Evaluation"