amino_acid
Methionine
TL;DR
L-Methionine is an essential sulfur-containing amino acid and the initiator of all protein synthesis (start codon). It is the precursor to SAM-e (S-adenosylmethionine), the universal methyl donor, and cysteine/glutathione via the transsulfuration pathway.
Overview
L-Methionine is an essential sulfur-containing amino acid and the initiator of all protein synthesis (start codon). It is the precursor to SAM-e (S-adenosylmethionine), the universal methyl donor, and cysteine/glutathione via the transsulfuration pathway. Critical for methylation, detoxification, and antioxidant defense.
4 / 565
products in our database contain Methionine
Source · MoodStack database
Compound forms
Methionine comes in several molecular forms. Each absorbs and acts differently.
L-Methionine
(2S)-2-amino-4-(methylthio)butanoic acid
Bioavailability
90%
Typical dose
500–2000 mg
Benefits
- SAM-e precursor
- Glutathione synthesis
- Liver detoxification
- Creatine synthesis
- Joint support
Dose guide
Common dose
500-2000 mg daily
Typical range
500–2000 mg
Based on 4 products in our database.
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Medical disclaimer: This content is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider before starting any supplement regimen.