Longevity News

A Review of the Present State of Data for Metformin as a Geroprotective Drug

Source: Fight Aging! • Published: 20 Aug 2026, 10:11

A Review of the Present State of Data for Metformin as a Geroprotective Drug

Metformin as a potential anti-aging drug: a critical review of research literature that guides readers through the types of studies and evidence available.

Key Takeaways
  • Animal studies of metformin show mixed effects on lifespan and heterogeneous methodologies
  • Human trial evidence for reduced mortality or increased life expectancy is limited and methodologically questionable
  • MeMeMe trial found metformin reduced progression to type 2 diabetes but did not lower cancer
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