Mechanism Diagram GHK-Cu vs Growth Peptides (Key Differences) GHK-Cu - Copper binding tripeptide - Acts locally in tissue - Modulates gene expression and ECM remodelling - Not endocrine - Does not elevate GH or IGF-1 GH Secretagogues (e.g., Ipamorelin, Hexarelin, MK-677) - Act via endocrine receptors - Stimulate systemic GH release - Increase IGF-1 - Primarily hormonal These compounds operate in completely different biological domains
"They recognize they have to have behavior change, especially diet, nutrition and activity, in order to make this a sustainable program where someone can go on a GLP-1 and engage in significant lifestyle changes and then wean off those very expensive medications." He added, "I talk to CEOs all the time who say, 'I expect my cost of GLP-1s to double and triple next year' and that just cant be sustainable
Consistently, the non-acylated tirzepatide maintained high affinity and potency to both GLP-1R and GIPR (Supplementary Fig
Britta Reierson, a family physician specializing in metabolic health and medical director at Knownwell, agrees
By reactivating sirtuins and supporting mitochondrial function, NAD+ promotes greater cellular energy production and supports natural DNA repair processes
doi: 10.3389/fphar.2025.1601712 Received 28 March 2025 Accepted 27 May 2025 Published 23 June 2025 Volume 16 - 2025 Edited by Ashish Mehta, Garvan Institute of Medical Research, Australia Reviewed by Ankul Singh S, ACS Medical College and Hospital, India Prabhash Nath Tripathi, University of Arkansas for Medical Sciences, United States Updates Copyright 2025 Aktary, Jeong, Oh, Shin, Sung, Rahman, Ramos Santiago, Choi, Song, Nurkolis, Ribeiro, Park and Kim