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Could a $0.05 pill developed in the 1920s hold the key to slowing human aging? The evidence is tantalizing—and more complicated than most headlines suggest.

Evidence Assessment

Evidence Strength
Strong
Study Type Systematic Review
Confidence High

Key Findings

  • How metformin activates AMPK and mimics caloric restriction
  • The TAME (Targeting Aging with Metformin) trial design, current observational data on cancer and mortality reduction, who might benefit, and the key concern about blunting exercise adaptations

Practical Takeaways

  • Review the evidence on metformin with your healthcare provider
  • Evidence-based protocols are detailed in the full article

Limitations & Caveats

  • Individual results vary
  • Consult a healthcare provider before major interventions