Methylcobalamin (Vitamin B12)
Also known as: Mecobalamin, Vitamin B12
Methylcobalamin is a form of vitamin B12 used for B12 deficiency, nerve tingling and numbness, which are common in vegetarians and people on metformin.
Common brands
- Neurobion Forte (B-complex)
Dosage forms
- Tablet
- Injection
Uses
- Vitamin B12 deficiency
- Diabetic nerve tingling (supportive)
- Anaemia from B12 deficiency
How it works
Supports nerve health and red blood cell formation.
How to take
Once daily or as prescribed; injections for severe deficiency.
Common side effects
- Rarely nausea
Serious side effects — get medical help
- Rare allergic reaction to injection
Who should not take it
- Allergy to cobalamin
Interactions
- Metformin and PPIs lower B12 levels
Pregnancy & breastfeeding
Safe at normal doses.
Alcohol & driving
No restriction.
Storage
Store below 30°C, away from light.
Used for these conditions
Prescribed by
Brands available in India
Frequently asked questions
What is Methylcobalamin (Vitamin B12) used for?
Vitamin B12 deficiency, Diabetic nerve tingling (supportive), Anaemia from B12 deficiency
What are the side effects of Methylcobalamin (Vitamin B12)?
Rarely nausea
How should I take Methylcobalamin (Vitamin B12)?
Once daily or as prescribed; injections for severe deficiency.
Who should not take Methylcobalamin (Vitamin B12)?
Allergy to cobalamin
Medically reviewed by
Medical review pending
Last updated
11 October 2026
Sources
- National List of Essential Medicines (NLEM) 2022, MoHFW
- National Formulary of India, Indian Pharmacopoeia Commission
- CDSCO approved drug information
This information is for general awareness and does not replace advice from a qualified doctor. Do not start, stop or change any medicine without medical advice.