Overview / Research screener / Metformin, longevity use
Geroprotective Small Molecules
Metformin, longevity use
nutrient sensing
Approved medicine for another condition in 8 of 9 markets tracked; in clinical trials in 1.
1 randomized trial (141 people, 2 years). Of its 2 main endpoints, 1 worsened, 1 showed no effect.
Doses studied: 2000 mg/day.
Evidence map
main endpoints improvedno effectworsenedmixedobservationalanother intervention, contextsize not reported
Higher rows are closer to a person taking this. A case that rests only on the lower rows rests on animals or cells.
What each study measured
Harms reported
Where it is available
If you are tracking this yourself
Repeatability is whether the same person measured twice gets the same number. It is not statistical significance. It informs study or protocol design only, never advice for a person.
What would change this picture
Trials under way
Every study (6)
- T7 Musi 2026 A Randomized Clinical Trial of Metformin to Reduce Frailty in Older Adults with Glucose Intolerance doi:10.64898/2026.07.27.26359055
- T4 Kriebs 2024 Metformin slows signs of primate aging doi:10.1038/s43587-024-00748-3
- T3 Strong 2016 Longer lifespan in male mice treated with a weakly estrogenic agonist, an antioxidant, an α-glucosidase inhibitor or a Nrf2-inducer doi:10.1111/acel.12496
- TX Anisimov 2010 Metformin for aging and cancer prevention doi:10.18632/aging.100230
- TX Miao 2026 Metformin: A Promising Candidate for Slowing the Progression of Cardiovascular Aging doi:10.14336/AD.2025.1308
- TX Berstein 2012 Metformin in obesity, cancer and aging: addressing controversies doi:10.18632/aging.100455