Drug Development

Metformin vs Rapamycin for Longevity: Head-to-Head

Metformin and rapamycin are the two repurposed prescription drugs most often floated as longevity tools, and they are frequently lumped together. They shouldn’t be. They act on overlapping but distinct pathways, the strength of evidence behind them is very different, and they carry very different risk profiles. If you’re weighing metformin vs rapamycin, the single […]

Metformin vs Rapamycin for Longevity: Head-to-Head Read More »

Bryan Johnson Ditches Rapamycin: What the $2M Biohacker’s Reversal Means for Longevity Science

In a move that sent shockwaves through the longevity community, biohacker Bryan Johnson — the 47-year-old who has spent over $2 million annually in pursuit of biological immortality — has publicly abandoned rapamycin after concluding the drug may have accelerated his aging process. The reversal, announced in early 2025 and widely covered in international media,

Bryan Johnson Ditches Rapamycin: What the $2M Biohacker’s Reversal Means for Longevity Science Read More »