The $180M Anti-Aging Pill Just Entered Human Trials (Sam Altman’s Retro)

Retro Biosciences, seeded with $180M from Sam Altman, has entered human Phase 1 trials with RTR242, an oral small molecule aimed at restoring lysosomal acidification and cellular autophagy. We break down the clinical trial design, how lysosomal recycling fails with age, and what human randomized trials reveal about mimetics like spermidine and Urolithin A. For deeper breakdowns of emerging longevity trials and key takeaways from our expert interviews, subscribe to the Modern Healthspan Briefing: https://modernhealthspan.substack.com/subscribe 🔬 Special Offer: Get 10% off Timeline Nutrition (Mitopure) for Mitophagy & Cellular Recycling: https://timeline.sjv.io/k4JrNx *Oxford Healthspan* 15% off with MHS https://tinyurl.com/hrxfnzpn - Spermidine 🧬 SUPPORT THE CHANNEL & LONGEVITY PARTNERS If you would like to support our channel please consider joining our Patreon: https://patreon.com/ModernHealthspan *Renue By Science* (10% off: MHS) https://tinyurl.com/bdew4bfs - NMN Powder • Lipo NR • Spermidine *Seeking Health* (10% off: Richard10) https://crrnt.app/SEEK/-dm0MyrQ - Zinc Picolinate • Optimal D3+K2 *Stemregen* (15% off: MODERN) *US only* https://tinyurl.com/45z968yr *AX3 Life* (20% off: MODERN20) https://ax3.life/MODERN20 - Astaxanthin *n1o1* (10% off: Modern) https://tidd.ly/3IczGRW - Nitric Oxide Lozenges *Qualia* (15% off: MODERN) Creatine+ https://tinyurl.com/mr3z35jd • Senolytic https://bit.ly/4jlaibe *Wellness Extract* (10% off: MODERNWE) http://wellnessextract.com/RICHARDWE - Geranylgeraniol • Vit E *Qitone* (10% off: HEALTH10) https://tidd.ly/4jGklry Qitone Esters Powder 00:00 Why Cellular Recycling Fails As We Age 01:24 Retro Bio & Sam Altman's $180M Bet (RTR242) 03:08 The 2 Mechanical Bottlenecks in Autophagy 04:48 How RTR242 Targets the Lysosome 06:45 Inside the Phase 1 Human Trial (Adelaide) 08:15 Spermidine & Urolithin A Human Trial Results 10:22 Evidence-Based Lifestyle Protocols (Zone 2 & Fasting) 11:47 Key Takeaways: The Future of Cellular Rejuvenation #Autophagy #Longevity #RetroBiosciences Every cell in our body continuously produces metabolic waste, clearing debris through autophagy. As we age past 50, lysosomal recycling becomes less efficient, driving proteostatic stress and cellular decline in non-dividing neurons and cardiomyocytes. In this video, we investigate Retro Biosciences' first-in-human Phase 1 clinical trial of RTR242, an oral small-molecule candidate designed to restore lysosomal acidification without upstream mTOR inhibition. We analyze the two primary mechanical bottlenecks in aging lysosomes—loss of acidity and cytoplasmic trapping of TFEB—and examine the pharmacological challenges of blood-brain barrier delivery for Alzheimer's disease. Finally, we review what randomized human trials actually demonstrate for dietary mimetics like spermidine (the SmartAge trial) and Urolithin A (ATLAS trial), and outline the most evidence-based lifestyle strategies to stimulate mitochondrial remodeling and autophagy today. Disclaimer: This video is strictly for educational, scientific, and informational purposes and does not constitute medical advice, diagnosis, or treatment. Always consult a qualified physician or healthcare provider before starting any new supplement, dietary protocol, or medical therapy. Scientific References: - Retro Biosciences RTR242 Phase 1 Trial (Adelaide, Australia): First-in-human SAD/MAD safety and PK study in healthy volunteers (n = 76-108). Target indication: Alzheimer's Disease. - SmartAge Spermidine Human Trial: Schwarz, C., Stekovic, S., Wirth, M., Benson, G. S., Royer, P., Sigrist, S. J., ... & Eisenberg, T. (2022). Effects of Spermidine Supplementation on Cognition and Biomarkers in Older Adults With Subjective Cognitive Decline: A Randomized Clinical Trial. JAMA Network Open, 5(5), e2213875. https://doi.org/10.1001/jamanetworkopen.2022.13875 - Urolithin A in Older Adults: Liu, S., D’Amico, D., Shankland, E., Bhayana, S., Garcia, J. M., Aebischer, P., ... & Marcinek, D. J. (2022). Effect of Urolithin A Supplementation on Muscle Endurance and Mitochondrial Health in Older Adults: A Randomized Clinical Trial. JAMA Network Open, 5(1), e2144279. https://doi.org/10.1001/jamanetworkopen.2021.44279 - Urolithin A ATLAS Trial in Middle-Aged Adults: Singh, A., D’Amico, D., Andreux, P. A., Fouassier, A. M., Blanco-Bose, W., Evans, M., ... & Rinsch, C. (2022). Urolithin A improves muscle strength, exercise performance, and biomarkers of mitochondrial health in a randomized trial in middle-aged adults. Cell Reports Medicine, 3(5), 100633. https://doi.org/10.1016/j.xcrm.2022.100633