Glutathione vs Metformin
A side-by-side research comparison of Glutathione and Metformin across mechanism, dosing, half-life, benefits, side effects and research status.
Comparison table
| Attribute | Glutathione | Metformin |
|---|---|---|
| Full name | L-Glutathione (Reduced) | Metformin Hydrochloride |
| Category | Anti-Aging | Anti-Aging |
| Status | Supplement / Injectable | FDA-approved (off-label for longevity) |
| Mechanism | Directly neutralizes free radicals, regenerates vitamins C and E, supports phase II liver detoxification, maintains cellular redox balance, and protects mitochondrial DNA. | Activates AMP-activated protein kinase (AMPK), inhibits mitochondrial complex I, reduces hepatic glucose output, and activates autophagy. Mimics the metabolic benefits of caloric restriction. |
| Molecular weight | 307.32 Da | 165.62 Da |
| Half-life | ~1.5-2 hours (IV/IM) | ~6.2 hours |
| Bioavailability | ~95% injectable; low oral (~3%) | ~50-60% oral |
| Typical dose | 200-600 mg | 500-1000 mg |
| Frequency | 1-3x per week | 1-2x daily |
| Route | IV push, IM injection, or nebulized | Oral tablet (extended-release preferred) |
Glutathione reported benefits
- Powerful antioxidant protection
- Liver detoxification support
- Skin brightening
- Immune system support
- Anti-aging cellular protection
- Heavy metal chelation
Metformin reported benefits
- AMPK activation
- Anti-aging cellular effects
- Cancer risk reduction
- Cardiovascular protection
- Blood sugar regulation
- Longevity support
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Research and educational reference only. Not medical advice.