OTC · No prescriptionVitamins & Supplements

Key B12 Cap — Uses, Dosage & Benefits

Key B12 Cap is used for Vitamin B12 deficiency, megaloblastic anemia due to B12 deficiency, peripheral neuropathy/neuropathic symptoms associated with B12 deficiency (tingling, numbness).

Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated August 2026

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Active Ingredient / Composition

Methylcobalamin (Vitamin B12) (strength unknown)

What is Key B12 Cap used for?

Vitamin B12 deficiency
megaloblastic anemia due to B12 deficiency
peripheral neuropathy/neuropathic symptoms associated with B12 deficiency (tingling
numbness)

How Key B12 Cap Works

Methylcobalamin is an active form of vitamin B12. It supports DNA synthesis and red blood cell formation and helps maintain the myelin sheath of nerves, thereby improving nerve function in B12 deficiency.

Dosage & Directions

Capsule for oral use. Take as prescribed by the doctor, preferably after food with water; swallow whole without opening or chewing. Duration depends on deficiency/clinical response.

Always follow your doctor's prescription. Do not self-medicate.

Key Benefits

Helps treat and prevent vitamin B12 deficiency
Supports healthy nerve function
Aids red blood cell formation
Helps reduce tingling and numbness due to deficiency

Pregnancy

Generally safe (use as directed)

Alcohol Interaction

Use with caution (chronic alcohol use can worsen vitamin deficiency and neuropathy)

Key B12 Cap — Quick Facts

Composition: Methylcobalamin (Vitamin B12) (strength unknown)
Therapeutic class: Vitamins & Supplements
Drug class: Vitamin (Cobalamin/Vitamin B12)
Prescription: Not required (OTC)
Price: ₹268
Habit forming: No
Storage: Store below 25°C in a cool, dry place. Protect from light and moisture. Keep out of reach of children.

Key B12 Cap — Usage FAQs

How should I take this medicine?

Follow the dosage prescribed by your doctor. Do not alter the dose without medical advice.

Can I take this medicine without a prescription?

Prescription-required medicines need a valid Rx. OTC medicines can be purchased directly.

What if I miss a dose?

Take the missed dose as soon as you remember, unless it is close to your next scheduled dose. Do not double the dose.

How long does it take to show effect?

The time to show effect varies by medicine and condition. Consult your doctor for specific timelines.