GHK-Cu is noted to cause more injection site reactions than many other peptides
Estimated cost: $200 to $400
Int J Mol Sci 22:8677 Dutoit V, Migliorini D, Ranzanici G, Marinari E, Widmer V, Lobrinus JA, Momjian S, Costello J, Walker PR et al (2018) Antigenic expression and spontaneous immune responses support the use of a selected peptide set from the IMA950 glioblastoma vaccine for immunotherapy of grade II and III glioma
The side effects that seem overwhelming in month 2 become distant memories by month 6
But that isnt new
Each individual component has been studied in preclinical models: BPC-157 (molecular weight: 1419.556 g/mol) is a synthetic fragment derived from a gastric protein, frequently examined in rodent studies on gastrointestinal integrity, vascular changes, and soft-tissue injury