Self-injecting peptides purchased online can be risky
the GHK-Cu complex operates through dozens of mechanisms simultaneously collagen synthesis, ECM organization, MMP suppression, antioxidant defense, and gene expression modulation across ~4,000 targets
They need to be present consistently to maintain the gene expression changes that drive collagen synthesis
Cagrilintide has a larger molecule (37 aa, MW 3,924 Da) and dissolves more slowly
The molecule was first identified and studied by the Sikiric research group in Croatia starting in the early 1990s, and the bulk of the preclinical evidence base comes from more than three decades of rat and rodent studies showing consistent tissue-repair, anti-inflammatory, and gastroprotective effects