It is a spectrum
Lee noted: "As we age, that communication network seems to break down, but our study suggests you can restore that network or rejuvenate an older mouse so it is as fit as a younger one." A December 2024 study from Shanghai University of Sport tested serum MOTS-c levels in marathon runners versus sedentary subjects, finding a close association between circulating MOTS-c and aerobic exercise capacity

Frequently Asked Questions References [1] [2] National Library of Medicine, Gastric pentadecapeptide body protection compound BPC 157 and its role in accelerating musculoskeletal soft tissue healing, Gwyer, D., Wragg, N., Wilson, S., 2017 [3] [5] National Library of Medicine, Emerging Use of BPC-157 in Orthopaedic Sports Medicine: A Systematic Review, Vasireddi, N., Hahamyan, H., Salata, M., Karns, M., Calcei, J., Voos, J., Apostolakos, J., July 2025 [4] National Library of Medicine, Modulatory effects of BPC 157 on vasomotor tone and the activation of Src-Caveolin-1-endothelial nitric oxide synthase pathway, Hsieh, M., Lee, C., Cheh, H., Chang, G, Huang, H., Lin, Y., Pang, J., October, 2020
They consider pros and cons, and substitutes
Frequently asked questions Can peptides heal a torn rotator cuff without surgery
Additionally, GLP-1 receptor agonists act on appetite-regulating centers in the hypothalamus, reducing hunger signals and promoting weight loss