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 formulation for oral use. It helps regulate the sleep‑wake cycle and is used to treat insomnia, jet lag and 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.

Manufacturer / TM Owner

Glenmark Arzneimittel Gmbh

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Indications & Clinical Uses

Melatonin Glenmark acts on the melatonin receptor pathway to support normal sleep regulation.

  • Insomnia: helps initiate sleep and improve sleep continuity in adults with difficulty falling asleep.
  • Jet lag: assists in adjusting the internal clock after rapid east‑west travel, reducing sleep disruption.
  • Circadian rhythm sleep disorders: supports alignment of the sleep‑wake cycle in shift‑work or delayed‑sleep‑phase conditions.

How It Works

  • Melatonin Glenmark contains melatonin, which binds to MT1 and MT2 receptors in the suprachiasmatic nucleus of the hypothalamus. Activation of these G‑protein‑coupled receptors modulates circadian signaling, lowers core body temperature, and promotes the onset of sleep by synchronizing endogenous rhythmicity with environmental light‑dark cues.

Side Effects

Melatonin Glenmark may cause adverse reactions, most of which are mild and transient.

Common Side Effects

  • Drowsiness or daytime sleepiness
  • Headache
  • Dizziness
  • Nausea or mild stomach discomfort
  • Vivid dreams or nightmares
  • Mild fatigue

Serious or Rare Side Effects

  • Allergic reaction (rash, itching, swelling)
  • Severe skin eruption (Stevens‑Johnson syndrome)
  • Mood changes including depression or suicidal thoughts
  • Worsening of sleep‑apnea symptoms
  • Hallucinations or confusion
  • Severe hypotension (very rare)

Precautions & Warnings

Before using Melatonin Glenmark, consider the following safety measures.

  • Assess underlying sleep disorder: confirm diagnosis and rule out other causes of insomnia.
  • Avoid operating machinery or driving after dosing until you know how it affects you.
  • Use caution in patients with depression or mood disorders; monitor for mood changes.
  • Not recommended for children unless specifically prescribed by a qualified clinician.
  • Concomitant use with other sedatives may increase drowsiness; adjust timing accordingly.
  • Store at room temperature: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Melatonin Glenmark can interact with other medicines, requiring attention to avoid adverse outcomes.

Major Interactions (Avoid)

  • Benzodiazepines: additive central nervous system depression may cause excessive sedation.
  • Opioid analgesics: combined use can increase risk of respiratory depression and profound drowsiness.
  • Antihistamines with sedating properties: may amplify sleepiness and impair alertness.

Moderate Interactions (Monitor Closely)

  • Warfarin or other anticoagulants: melatonin may enhance anticoagulant effect, requiring INR monitoring.
  • Oral contraceptives: may raise melatonin plasma levels, potentially increasing side‑effects.
  • Anticonvulsants (e.g., carbamazepine, phenytoin): may reduce melatonin efficacy by increasing its metabolism.
  • Caffeine‑containing products: may diminish melatonin’s sleep‑promoting effect.

Frequently Asked Questions

Melatonin Glenmark is an oral melatonin receptor agonist used to help adults who have difficulty falling asleep, to reduce the effects of jet lag after rapid travel across time zones, and to support the alignment of the sleep‑wake cycle in people with circadian‑rhythm sleep disorders such as shift‑work disorder.

Melatonin mimics the natural hormone produced by the pineal gland. It binds to MT1 and MT2 receptors in the brain’s suprachiasmatic nucleus, signaling that it is night time. This interaction helps lower core body temperature, promotes sleep onset, and synchronises the internal circadian clock with the external light‑dark cycle.

The appropriate dose of Melatonin Glenmark is determined by the prescribing clinician based on the individual’s age, condition, and response to therapy. Healthcare professionals set the strength and timing to achieve the desired sleep‑promoting effect while minimizing potential side effects.

Safety data for melatonin use in pregnancy and lactation are limited, and the product’s pregnancy category is not established. Women who are pregnant, planning to become pregnant, or breastfeeding should discuss potential risks and benefits with their healthcare provider before using Melatonin Glenmark.

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 any cold‑chain requirements) and the necessary import documentation.

Melatonin Glenmark differs from prescription hypnotics such as zolpidem or benzodiazepines because it works by restoring the natural circadian signal rather than directly depressing the central nervous system. This mechanism generally results in fewer next‑day residual effects, but its efficacy may be modest for severe insomnia, where stronger hypnotics might be preferred.

Melatonin Glenmark should be stored at room temperature, below 25 °C, in its original packaging. Keep the product away from moisture, heat and direct sunlight to maintain stability. Do not store in bathrooms or near kitchen appliances that generate excess humidity.

The product is taken orally, usually with a glass of water. For optimal effect, it is commonly recommended to take the dose 30‑60 minutes before the intended bedtime, following the prescriber’s instructions regarding timing and whether it should be taken with or without food.

Serious but rare risks include severe allergic reactions such as rash, swelling or Stevens‑Johnson syndrome, significant mood changes like depression or suicidal thoughts, and worsening of obstructive sleep‑apnea. Patients experiencing any of these symptoms should seek immediate medical attention.

Melatonin Glenmark is not recommended for individuals with known hypersensitivity to melatonin or any excipients in the formulation. It should be avoided by patients with uncontrolled severe depression, active sleep‑apnea, or those taking medications that may cause dangerous additive sedation unless closely supervised by a healthcare professional.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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