Unlike many cosmetic actives that target only one aspect of aging, GHK-Cu operates on multiple biological pathways simultaneously
The IGF-I receptor in cancer research
Lancet 390(10094):613624 Lashgari NA, Momeni Roudsari N, Khayatan D, Shayan M, Momtaz S, Roufogalis BD, Abdolghaffari AH, Sahebkar A (2022) Ginger and its constituents: role in treatment of inflammatory bowel disease
Sermorelin can be run for longer continuous cycles
Others (like BPC-157) are classified as research compounds but have extensive safety data from clinical studies
And some compounding pharmacies have completed or are in the process of completing stability studies on compounded Tirz and B12