Peter Attia· MD
ger protectors tend to extend fertility in mice and it's not just one thing. It's spermadine. It's AKG. It's been shown for metformin and rapamy and in one there's a rapid trial going on I think in Colia or Cornell.
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
ger protectors tend to extend fertility in mice and it's not just one thing. It's spermadine. It's AKG. It's been shown for metformin and rapamy and in one there's a rapid trial going on I think in Colia or Cornell.
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