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Methylcobalamin (500mcg)
Delivery across India. Free above ₹999; ₹49 from ₹499, ₹99 below. Chennai express delivery is chargeable.
Alphamix is used for vitamin B12 deficiency.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
Alphamix contains Methylcobalamin (500mcg). It belongs to the B-complex vitamin class of medicines.
Vitamin B12 deficiency
Alphamix 500mcg Injection is a form of vitamin B12 that restores its level in the body thereby helping in treating certain anemias and nerve problems.
Your doctor or nurse will give you this medicine. Kindly do not self administer.
Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.
If you miss a dose of Alphamix 500mcg Injection, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.
An overdose of this medicine is unlikely to cause serious harm, because the body passes surplus B vitamins out in the urine. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.
Most side effects of Alphamix are mild and settle as the body adjusts. Reported side effects include:
Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.
| Pregnancy | Pregnancy CONSULT YOUR DOCTOR |
|---|---|
| Breastfeeding | Breast feeding CONSULT YOUR DOCTOR |
| Alcohol | Alcohol CONSULT YOUR DOCTOR |
| Driving | Driving CONSULT YOUR DOCTOR |
| Kidney | Kidney CONSULT YOUR DOCTOR |
| Liver | Liver CONSULT YOUR DOCTOR |
| Habit forming | No |
Tingling, numbness or burning in the hands and feet should be assessed by a doctor rather than self-treated — a supplement does not address the cause. Folic acid can mask a vitamin B12 deficiency while nerve damage continues, so B12 should be checked before taking folic acid long term. Bright yellow urine after a B-complex dose is expected and harmless.
Not for anyone with a known allergy to this medicine or to any ingredient in the pack.
Long-term metformin, acid-reducing medicines and some anti-epileptics lower B12 or folate levels. Tell your doctor if you take levodopa, as vitamin B6 can reduce its effect.
Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.
Alphamix 500mcg Injection helps replenish vitamin B12 level in your body. This further helps in regeneration of damaged nerves in the body. Avoid or limit alcohol consumption while taking this medication.
Medicines with the same active ingredient (Methylcobalamin (500mcg)). Ask your doctor or pharmacist before switching brands.
| Medicine | Pack | Price | vs Alphamix |
|---|---|---|---|
| Meganerv 1 ml Injection | 1X1ML | ₹60 | 57% cheaper |
| Mecofol 500 mg Tablet | 1X10 | ₹68 | 50% cheaper |
| Rejunuron Injection 1 mlFourrts India Laboratories Pvt Ltd | injection · 1ML | ₹94 | 32% cheaper |
| Methycobal 500 mcgMERIND | 15`S | ₹174 | 26% more |
| Nurotroy SRTROIKAA PHARMACEUTICALS` | 10`S | ₹178 | 29% more |

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The information on Alphamix is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.