Glutathione

Jan 2, 2025

Glutathione

  • Other names: (2S)-2-Amino-5-({(2R)-1-[(carboxymethyl)amino]-1-oxo-3-sulfanylpropan-2-yl}amino)-5-oxopentanoic acid, γ-L-Glutamyl-L-cysteinylglycine (2S)-2-amino-4-(((1R)-1-[(carboxymethyl)carbamoyl]-2-sulfanylethyl)carbamoyl)butanoic acid.

  • Mechanism of action:

    • Glutathione is a tripeptide (cysteine, glutamate, and glycine).

    • Critical roles include:

      • Direct neutralization of singlet oxygen, hydroxyl radicals, and superoxide radicals

      • Cofactor for antioxidant enzymes

      • Regeneration of vitamins C and E

      • Neutralization of free radicals from Phase I liver metabolism of chemical toxins

      • One of ~7 liver Phase II reactions, conjugating activated intermediates from Phase I to make them water-soluble for kidney excretion.

      • Transportation of mercury out of cells and the brain

      • Regulation of cellular proliferation and apoptosis

      • Vital to mitochondrial function and mtDNA maintenance  


  • Common indications/uses:

    • Used for antioxidant power and as a detoxification agent.

    • Low levels associated with: Alzheimer's, Parkinson's, COPD, asthma, HIV, hypertension, myocardial infarction, macular degeneration, glaucoma, cystic fibrosis, and aging.

    • Direct administration has been proven effective in these diseases.

  • Dosing: Insufficient data to recommend.

  • Evidence (by indication): Insufficient data to recommend.

  • Safety concerns:

    • Long-term use linked to low zinc levels.

    • Inhaled glutathione can cause wheezing and exacerbate asthma.

    • Safety during pregnancy is unknown.

  • Adverse reactions: Insufficient data to recommend.

  • Drug interactions: Insufficient data to recommend.

Read more