This enzyme is notably responsible for the nephrotoxicity of cisplatin (see below)
Research overwhelmingly describes the safety of GHK-Cu positively, such as when the authors of a 2018 review called it a safe, inexpensive, extensively studied compound.14 However, even though copper peptides have demonstrated an impressive safety track record in studies, there are (as with most skin care actives) a few safety risks to consider
doi:10.3390 [2] Kumi Tominaga, Protective effects of astaxanthin on skin deterioration
So if you have knowledge of a given cancer or you're concerned, about tumors at all, I would encourage you to be very cautious about the use of BPC-157
Moreover, baseline LBP and sCD14 levels were similar in patients with normal (2/3 of patients) and increased intestinal permeability (urinary 51 Cr-EDTA excretion), highlighting again that bacterial translocation is not a paracellular phenomenon and that one should be careful of connecting clinical outcomes to paracellular permeability tests (149)
For ongoing support a maintenance schedule of one injection every four to twelve weeks is common, agreed at your free consultation