Does a longevity drug help older people feel better?
Influence of rapamycin on safety and healthspan metrics after one year: PEARL trial results
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Rapamycin did not reduce visceral fat—the primary goal of the study.
Visceral fat is linked to heart disease and diabetes, and many expected rapamycin to improve metabolic health. Instead, it had no effect (p = 0.942).
Practical Takeaways
Older adults interested in rapamycin might consider 5 mg weekly for better self-reported health, or 10 mg if female and aiming to preserve muscle and reduce pain.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Surprising Findings
Rapamycin did not reduce visceral fat—the primary goal of the study.
Visceral fat is linked to heart disease and diabetes, and many expected rapamycin to improve metabolic health. Instead, it had no effect (p = 0.942).
Practical Takeaways
Older adults interested in rapamycin might consider 5 mg weekly for better self-reported health, or 10 mg if female and aiming to preserve muscle and reduce pain.
Publication
Journal
Aging (Albany NY)
Year
2025
Authors
M. Moel, G. Harinath, V. Lee, A. Nyquist, Stefanie L. Morgan, Anar Isman, Sajad Zalzala
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Claims (6)
Taking rapamycin, even in small doses now and then, might increase the chance of getting serious infections like pneumonia in older people because it can weaken the immune system.
Taking a low weekly dose of a drug called rapamycin for a year might make older adults feel healthier overall, based on their own reports.
Taking a low weekly dose of a drug called rapamycin for a year might help older women build more lean muscle, which could slow down muscle loss as they age.
Taking a low weekly dose of a drug called rapamycin for a year might help reduce pain in healthy women over 50, based on how they reported feeling.
Taking rapamycin once a week for a year might be safe for healthy older adults, with no more side effects than a sugar pill — so it could be a candidate for slowing normal aging.