Clinical Use of Peptides And The Nine Hallmarks of Aging

12 Feb 2025 · 43 min
Episode

12 Feb 2025 · 43 min

0:00

In this February 2025 episode of the Peptides and Longevity Podcast, Dr. Kent Holtorf interviews physician‑assistant and longevity clinician Ryan Lester about using peptide therapies to combat the nine hallmarks of aging and extend healthspan. The conversation begins with a discussion of frailty, the limits of conventional “sick‑care” medicine, and the need to shift toward preventive, systems‑based health optimization. Lester frames peptide selection around the nine hallmarks—mitochondrial dysfunction, telomere attrition, epigenetic drift, nutrient‑signaling loss, stem‑cell exhaustion, altered intercellular communication, genomic instability, loss of proteostasis, and cellular senescence—explaining how specific peptide classes target each. He reviews growth‑hormone secretagogues (CJC‑1295, Tesamorelin, Sermorelin, GHRP‑2/6, ipamorelin, MK‑677, hexarelin), telomere‑activating epitalon (Apetilon), mitochondrial‑derived MOTS‑c, and thymus‑derived peptides (Thymosin α1, β4). The benefits described include muscle preservation, bone density, improved sleep, reduced inflammation, enhanced immune function, better metabolic control, and longevity outcomes reported in long‑term studies (e.g., epitalon’s 4‑fold mortality reduction). Lester emphasizes peptide stacking, cycling, and integration with hormone optimization (testosterone, estrogen/progesterone, thyroid) and lifestyle pillars (nutrition, sleep, stress, exercise). He outlines the clinic’s precision workflow: genomics‑guided risk assessment, comprehensive labs, nervous‑system/brain mapping, functional movement testing, and personalized protocols lasting a minimum of 12 months. Patient profiles are high‑performing adults (28‑80 y) seeking body‑composition, cognitive, or overall performance gains, most managed virtually with periodic in‑person evaluations. The episode also touches on regulatory concerns, safety (minimal side‑effects due to physiological feedback loops), and the broader vision of moving longevity medicine out of the 17‑year lag of traditional adoption.

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