Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Methionine
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Methionine: An amino acid, one of the 20 building blocks of protein. A dietary essential amino acid, methionine provides methyl groups and sulfur for normal metabolism. Symbol: Met.
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