ghk cu skin cancer PDF) GHK, the Human Remodeling Peptide, Induces Anti-Cancer Expression of Numerous Caspase, Growth Regulatory, and DNA Repair Genes InfiniWell GHK-CU Peptide Serum -

Abdominal pain and cramping Diarrhea, often with pus and blood Rectal bleeding Urgency to defecate Rectal pain Fatigue (due to mitochondrial involvement) Weight loss Fever Failure to grow (in children) Ulcerative colitis can lead to some severe health complications

Reference: Important note though

You cannot tell

GHK-Cu promotes the activation of wound healing, attracts immune cells, has antioxidant and anti-inflammatory effects, stimulates collagen and glycosaminoglycan synthesis in skin fibroblasts, and encourages blood vessel growth

I suspect most peptides are safer than the FDA fears, but that is because they just dont work

But the addition of glucagon receptor activation in retatrutide appears to provide an incremental but meaningful advantage, particularly for liver fat reduction and energy expenditure