Rapamycin is a groundbreaking compound used in advanced longevity protocols for its ability to target one of the most well-studied aging pathways: mTOR (mechanistic target of rapamycin). By selectively inhibiting mTOR, Rapamycin promotes autophagy—a natural cellular cleanup process that removes damaged cells and supports regeneration. This has been linked to extended lifespan, improved immune function, reduced inflammation, and a lower risk of age-related diseases. Used intermittently under medical supervision, Rapamycin is emerging as a cornerstone therapy in age optimization, helping extend healthspan and delay the onset of chronic disease.