cancer and ghkcu : r Peptidesource GHK is promising biology, not magic medicine., Most real human data is topical, not systemic., And there are people where caution matters:, Active or recent cancer, Copper imbalance or metabolism Riding the Wave in Healthcare Innovation: Exploring the Potential of GHK Cu in Cancer Therapeutics and Regenerative Medicine by Daniel CF Ng Medium Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms GHK Cu vs AHK Cu: Which Copper Peptide Is More Effective? GHK Cu may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes