Product image of Melatonin Glenmark (Melatonin) supplied by GNH India

Melatonin Glenmark

Active Ingredient:
Melatonin
Origin:
EU

Melatonin Glenmark (Melatonin)

Melatonin, the active ingredient in Melatonin Glenmark, is a melatonin receptor agonist presented as an oral dosage form for oral use. It helps regulate the sleep‑wake cycle and is used to manage insomnia, jet lag and other circadian rhythm sleep disorders in adults.

GNH India supplies Melatonin Glenmark as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide, providing reliable sourcing and regulatory support for global markets while ensuring product quality through stringent quality‑assurance processes and adherence to EU standards.

Manufacturer / TM Owner

Glenmark Arzneimittel Gmbh

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Indications & Clinical Uses

Melatonin Glenmark acts on melatonin receptors to address sleep‑related conditions.

  • Insomnia: helps reduce time to fall asleep and improve sleep continuity.
  • Jet lag: assists in adjusting the internal clock after rapid time‑zone travel.
  • Circadian rhythm sleep disorders: supports synchronization of the sleep‑wake cycle in shift‑work or non‑24‑hour rhythm disorders.

How It Works

  • Melatonin binds to MT1 and MT2 receptors in the suprachiasmatic nucleus, mimicking the endogenous hormone released during darkness. Activation of these G‑protein‑coupled receptors modulates intracellular signaling pathways that promote sleep onset and help align the circadian rhythm with the external light‑dark cycle, thereby facilitating a more regular sleep pattern.

Side Effects

Oral melatonin may be associated with a range of adverse reactions, most of which are mild and transient.

Common Side Effects

  • Daytime drowsiness
  • Headache
  • Dizziness
  • Nausea

Serious or Rare Side Effects

  • Allergic skin reactions (rash, itching)
  • Mood alterations (depression, irritability)
  • Severe hypersensitivity (anaphylaxis)

Precautions & Warnings

Melatonin should be used with caution in specific populations and clinical situations.

  • Pregnancy: safety not established; use only if potential benefit outweighs risk.
  • Breastfeeding: unknown safety; consider discontinuation.
  • Underlying medical conditions: caution in patients with depression, epilepsy or autoimmune disorders.
  • Concomitant use with sedatives: may enhance central nervous system depression.
  • Drug interactions: review other medications that affect melatonin metabolism.
  • Store at ambient temperature: keep in original container, protect from moisture and light.

Avoid Interactions

Melatonin can interact with several medicines; some combinations should be avoided while others require monitoring.

Major Interactions (Avoid)

  • Anticoagulants (e.g., warfarin): may increase bleeding risk.
  • Immunosuppressants (e.g., cyclosporine): may reduce melatonin clearance.
  • CNS depressants (e.g., benzodiazepines, barbiturates): additive sedation.

Moderate Interactions (Monitor Closely)

  • CYP1A2 inhibitors (e.g., fluvoxamine, ciprofloxacin): can raise melatonin levels.
  • CYP1A2 inducers (e.g., rifampicin, carbamazepine): may lower melatonin efficacy.
  • Oral contraceptives: may increase melatonin concentrations.

Frequently Asked Questions

Melatonin Glenmark is used to help regulate the sleep‑wake cycle in adults who experience difficulty falling asleep, disruptions caused by rapid travel across time zones, or other circadian rhythm sleep disorders such as shift‑work disorder.

Melatonin mimics the natural hormone released by the pineal gland during darkness. It binds to MT1 and MT2 receptors in the brain’s master clock, signaling that it is night time, which promotes sleep onset and helps synchronize the internal circadian rhythm with external light cues.

The appropriate dose is determined by the prescribing healthcare professional based on the individual’s age, condition, and response. Patients should follow the prescriber’s instructions and not adjust the dose without medical advice.

Safety data in pregnancy and lactation are limited. It should only be used if the potential benefit justifies any possible risk to the fetus or infant, and this decision must be made by a qualified healthcare provider.

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 and any necessary import documentation.

Unlike prescription hypnotics that act on GABA receptors, melatonin works by resetting the circadian clock. It is generally considered to have a more favorable safety profile, especially for short‑term use, but may be less potent for severe insomnia compared with some prescription agents.

Store the product at ambient temperature, preferably below 25 °C, in the original packaging. Keep it away from moisture, direct sunlight and strong odors to maintain potency throughout its shelf life.

Melatonin Glenmark is taken orally, usually with a glass of water. It is commonly taken about 30‑60 minutes before the intended bedtime, but patients should follow the timing advised by their prescriber.

Serious but rare risks include severe allergic reactions such as rash, itching or anaphylaxis, and mood changes like depression or irritability. Any signs of a severe reaction require immediate medical attention.

Individuals with known hypersensitivity to melatonin, those taking certain anticoagulants or immunosuppressants without medical supervision, and patients with uncontrolled depression or epilepsy should avoid using the product unless directed by a physician.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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