what size needle do i use for b12 injections at Home - Safety Guide Self-Administration what size needle should be

This position is supported by the NICE Guideline and at the end of 2025 we launched our freely accessible Pernicious Anaemia and B12 Deficiency education programme to the NHS community

Ethics declarations Competing interests SJW is the founder of Ridgeline Therapeutics, HN is a paid employee of Ridgeline Therapeutics and, since manuscript submission, ADW has also become a paid employee of Ridgeline Therapeutics

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Adverse Reactions/Side Effects Generalized: Anaphylactic shock and death have been reported with administration of parenteral vitamin B 12 (see WARNINGS)

Each box contains 10 ampoules 3 ml

Intramuscular administration allows for efficient absorption of vitamin B12 into the bloodstream, ensuring rapid availability for the bodys essential functions