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

In the US, Methionine (methionine systemic) is a member of the drug class nutraceutical products.

US matches:

ATC (Anatomical Therapeutic Chemical Classification)


Chemical Formula


Molecular Weight


Therapeutic Categories

Urinary tract antiseptic

Choleretic agent

Antidote: Treatment of paracetamol poisoning

Essential amino acid

Chemical Name

2-Amino-4-(methylthio)butyric acid

Foreign Names

  • Methioninum (Latin)
  • Methionin (German)
  • Méthionine (French)
  • Metionina (Spanish)

Generic Names

  • Methionine (OS: BAN)
  • L-Methionine (PH: JP XV)
  • L-Methionine (OS: JAN)
  • Methionine (OS: Rec.INN, USAN)
  • Méthionine (OS: DCF)
  • L-Methionine (PH: JP XV)
  • Methionin (PH: Ph. Eur. 7)
  • Methionine (PH: BP 2011, Ph. Eur. 7, USP 34)
  • Méthionine (PH: Ph. Eur. 7)
  • Methioninum (PH: Ph. Eur. 7)
  • DL-Methionine (OS: JAN)
  • Racemethionine (OS: USAN)
  • Methioninum racemicum (IS)
  • Metione (IS)
  • Racemethionin (IS)
  • DL-Methionine (PH: BP 2011, Ph. Eur. 7, Ph. Int. 4)
  • DL-Méthionine (PH: Ph. Eur. 7)
  • DL-Methioninum (PH: Ph. Eur. 7, Ph. Int. 4)
  • Methionin, Racemisches (PH: Ph. Eur. 7)
  • Racemethionine (PH: USP XXI)

Brand Names

International Drug Name Search


BANBritish Approved Name
DCFDénomination Commune Française
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name

Click for further information on drug naming conventions and 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.