About Methylcobalamin (vitamin B12)
Medically reviewed by Dr Khizer Hussain Junaidy, MD Pharmacology, Diabetologist & Bariatric Physician, on 23 Oct 2026.
What it is for
Vitamin B12. Used for B12 deficiency and nerve symptoms such as tingling and numbness in diabetes.
How to take it
Take it once a day after food, or as advised. Injections are given by a nurse.
Common side effects
- Usually none.
Call your doctor if
- Tingling or numbness that keeps getting worse.
From our clinic: People on metformin for many years should get B12 checked.