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In some countries, this medicine may only be approved for veterinary use.

In the US, Melatonin (melatonin systemic) is a member of the following drug classes: miscellaneous anxiolytics, sedatives and hypnotics, nutraceutical products and is used to treat Insomnia and Jet Lag.

US matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Dietary supplement

Treatment of insomnia

Chemical Names

N-[2-(5-Metoxyindol-3-yl)etyl]acetamid (IUPAC)

N-Acetyl-5-metoxytryptamine (BP)

Foreign Names

  • Melatoninum (Latin)
  • Melatonin (German)
  • Melatonine (French)
  • Melatonina (Spanish)

Generic Names

  • BRN 0205542 (IS)
  • CCRIS 3472 (IS)
  • HT 903 (IS)
  • NSC 113928 (IS)
  • Melatonin (PH: BP 2016, USP 38)

Brand Names

  • Armonil
    Ivax, Argentina
  • Bio-Melatonin
    Pharma Nord, Hungary
  • Buenas Noches
    ISA, Argentina
  • Circadin
    Aspen, New Zealand; Biocodex, France; Fidia Farmaceutici, Italy; Flynn Pharma, United Kingdom; Ipsen Pharma, Russian Federation; Juste, Spain; Medice, Germany; Neurim, Norway; Neurim, Thailand; Neurim Pharmaceuticals, Switzerland; Neurim Pharmaceuticals, Greece; Neurim Pharmaceuticals, Hungary; Neurim Pharmaceuticals, Israel; Neurim Pharmaceuticals, Lithuania; Penn Pharmaceutical, Latvia; RAD, Australia; RAD, Czech Republic; Rad Neurim, Austria; RAD Neurim Pharmaceuticals EEC Limited, Iceland; Rad Neurim Pharm, Croatia (Hrvatska); Rad Neurim Pharmaceuticals, Cyprus; RAD Neurim Pharmaceuticals EEC, Poland; Takeda, Belgium; Takeda, Finland; Takeda Pharma, Denmark; Takeda Pharma, Sweden
  • Cronocaps
    Medix, Mexico
  • Filfresh
    Square, Bangladesh
  • Melagesic PM (Melatonin and Paracetamol)
    B.F. Ascher, United States
  • Melatol
    Elisium, Argentina
  • Melatonin GNC (Melatonin and Pyridoxine)
    GNC, Egypt
  • Melatonina + B6 (Melatonin and Pyridoxine)
    Eljot, Poland
  • Melatonina LEK-AM
    Lek-AM, Poland
  • Melatoseel HKK
    Hankitatukk, Latvia
  • Melaxen
    Unipharm, Georgia; Unipharm, Russian Federation
  • Melovine (veterinary use)
    Ceva, Italy; Ceva Santé Animale, France
  • Natsin
    Incepta, Bangladesh
  • Normolem
    Teva, Mexico
  • PrimeX (veterinary use)
    Wildlife, United States
  • Prime-X (veterinary use)
    A.A.-Vet, Netherlands
  • Regulin (veterinary use)
    Ceva Animal Health, Australia; Ceva Animal Health, United Kingdom
  • Sleepwell
    Trianon, Philippines
  • Sub-Z
    Medix, Mexico
  • Viva Max 3 (Melatonin and Pyridoxine)
    Amoun, Egypt
  • Zytonin (Melatonin and Pyridoxine)
    Zydus, India


BPBritish Pharmacopoeia
IUPACInternational Union of Pure and Applied Chemistry
ISInofficial Synonym
PHPharmacopoeia Name

Further information on drug naming conventions: International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.