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Methionine is used in the treatment of nutritional deficiencies

How it works

Methionine belongs to the class of compounds known as amino acids. Methionine works by removing harmful breakdown products of paracetamol in the liver.

Common side effects

Disorientation (alteration of mental status), Fever, Decreased blood pressure, Nausea, Vomiting

Available Medicine

No medicine available

Expert advice

  • Tell your doctor if you are have liver disorder, mental disorder such as schizophrenia, taking levodopa for Parkinsonism or taking any other medication.
  • Do not drive or operate heavy machinery as methionine can cause drowsiness.
  • Tell your doctor if you are pregnant, planning to get pregnant or breastfeeding.
  • Do take if  allergic to methionine or any of its ingredients.
  • Do not take if having metabolic acidosis. (A condition in which body is not able to keep correct balance between acids and alkalis in the blood).
  • Patients with more than 10 hours of paracetamol overdose.

Frequently asked questions



Is methionine an essential amino acid?
Yes. It is classified as essential amino acid since it is obtained from dietary sources and cannot be synthesized in body


Is methionine safe?
Methionine is safe if used at prescribed doses for the prescribed duration as advised by your doctor. Please follow your doctor's advice regarding its use


Does methionine causes cancer or diarrhea?
No. Within safe dose range it does not cause cancer or diarrhea.

Content on this page was last updated on 16 February, 2017, by Dr. Varun Gupta (MD Pharmacology)