Product image of Optovite B12 (Cyanocobalamin) supplied by GNH India

Optovite B12

Active Ingredient:
Cyanocobalamin
Origin:
EU

Optovite B12 (Cyanocobalamin)

Cyanocobalamin, the active ingredient in Optovite B12, is a vitamin B12 presented as a sterile injectable solution for intramuscular, intravenous, subcutaneous use. It treats vitamin B12 deficiency and related anemia in patients who require supplementation.

GNH India supplies Optovite B12 as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Laboratorios Normon, S.A.

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Indications & Clinical Uses

Optovite B12 (cyanocobalamin) is used to correct vitamin B12 deficiency and related hematologic disorders.

  • Vitamin B12 deficiency: restores normal serum cobalamin levels and supports hematopoiesis.
  • Pernicious anemia: provides the required cobalamin for patients with intrinsic factor deficiency.
  • Megaloblastic anemia: corrects DNA synthesis defects and improves red cell maturation.

How It Works

  • Cyanocobalamin acts as an essential cofactor for the enzymes methionine synthase and methylmalonyl‑CoA mutase. By facilitating the conversion of homocysteine to methionine and methylmalonyl‑CoA to succinyl‑CoA, it supports DNA synthesis, myelin formation, and red blood cell production, thereby correcting cobalamin‑dependent metabolic pathways.

Side Effects

Adverse reactions may occur following administration of cyanocobalamin injections.

Common Side Effects

  • Injection site pain or erythema: mild discomfort at the site of administration.
  • Headache: transient and usually resolves without intervention.
  • Nausea: mild gastrointestinal upset after injection.

Serious or Rare Side Effects

  • Anaphylactic reaction: severe allergic response requiring immediate medical attention.
  • Severe hypersensitivity: includes rash, swelling, and respiratory difficulty.
  • Thrombophlebitis: inflammation of a vein at the injection site that may lead to clot formation.

Precautions & Warnings

Cyanocobalamin should be used with attention to patient‑specific factors and handling requirements.

  • Assess baseline cobalamin status: verify deficiency before initiating therapy.
  • Monitor for allergic reactions: observe patients after the first dose.
  • Use caution in renal impairment: adjust monitoring as needed.
  • Avoid in known hypersensitivity to cyanocobalamin or excipients.
  • Evaluate risk‑benefit in pregnancy: consider only if clearly needed.
  • Store at ambient temperature: keep in original packaging, protect from moisture and light.

Avoid Interactions

Cyanocobalamin may interact with other medications that affect its absorption or activity.

Major Interactions (Avoid)

  • Metformin: long‑term use can reduce vitamin B12 absorption.
  • Proton pump inhibitors: chronic therapy may impair cobalamin uptake.
  • H2‑receptor antagonists: may diminish gastric acidity needed for absorption.

Moderate Interactions (Monitor Closely)

  • Tetracycline antibiotics: can alter gut flora influencing B12 synthesis.
  • Cholestyramine: may bind cobalamin and decrease its bioavailability.
  • Nitrous oxide anesthesia: inactivates vitamin B12 and can exacerbate deficiency.

Frequently Asked Questions

Optovite B12 contains cyanocobalamin, a form of vitamin B12, and is used to treat vitamin B12 deficiency and related anemias such as pernicious anemia and megaloblastic anemia. It restores normal cobalamin levels, supporting red blood cell formation and neurological function in patients with documented deficiency.

Cyanocobalamin serves as a cofactor for methionine synthase and methylmalonyl‑CoA mutase, enzymes essential for DNA synthesis, myelin formation, and conversion of homocysteine to methionine. By participating in these pathways, it enables proper red blood cell production and nerve health, correcting metabolic disturbances caused by cobalamin deficiency.

The dosage and frequency of Optovite B12 are determined by the prescribing clinician based on the patient’s clinical condition, laboratory values, and route of administration. Healthcare professionals tailor the regimen to achieve optimal correction of the deficiency while monitoring response and safety.

Cyanocobalamin is generally considered safe when used as directed, but its use during pregnancy or lactation should be based on a risk‑benefit assessment by the treating physician. If a deficiency is present, supplementation may be recommended to protect maternal and fetal health.

To place an order, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details (including cold‑chain if needed), and necessary import documentation.

Optovite B12 provides cyanocobalamin in a sterile injectable form, which is suitable for rapid correction of deficiency via intramuscular, intravenous, or subcutaneous routes. Compared with oral cyanocobalamin, the injectable route bypasses gastrointestinal absorption barriers, offering reliable bioavailability for patients with malabsorption or severe deficiency.

Optovite B12 should be stored at ambient temperature, below 25 °C, in its original container. Protect the product from moisture, direct sunlight, and extreme temperature fluctuations to maintain potency and sterility.

The product is administered by a qualified healthcare professional via intramuscular, intravenous, or subcutaneous injection, depending on the clinical indication and patient needs. The injection site and technique follow standard aseptic practices.

Serious risks include anaphylactic or severe hypersensitivity reactions, which may present as rash, swelling, respiratory distress, or cardiovascular collapse. Immediate medical intervention is required if such symptoms occur after administration.

Patients with a known hypersensitivity to cyanocobalamin or any excipients in the formulation should avoid using Optovite B12. Additionally, individuals with a history of severe allergic reactions to injectable vitamins should be evaluated carefully before treatment.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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