Vitamin B12 Injection: Uses, Dosage, Side Effects, Precautions and Alternates

Name: Vitamin B12 Injection: Uses, Dosage, Side Effects, Precautions and Alternates
Uploaded: 2026-09-25T21:00:34.610Z
Duration: 5 min 7 s
Description: Vitamin B12 injection is a shot that gives the body a form of vitamin B12 (also called cobalamin), an essential vitamin needed for nerve function, red blood cell formation, and DNA production. It is given into a muscle or under the skin so the body can absorb it without going through the digestive system.

Published 25/09/2026

Vitamin B12 Injection

Generic name	Cyanocobalamin (also available as hydroxocobalamin)
Drug class	Vitamins
Forms	Injection (into muscle or under the skin), Liquid, Tablet, Nasal spray, Capsule

Vitamin B12 injection is a shot that gives the body a form of vitamin B12 (also called cobalamin), an essential vitamin needed for nerve function, red blood cell formation, and DNA production. It is given into a muscle or under the skin so the body can absorb it without going through the digestive system.

General information

Follow the prescriber and the leaflet that comes with this medicine.