risks of ghk cu “Is GHK-Cu actually worth it?” is genuinely one the most common questions in my comments, so let me finally answer it properly., The short version: copper peptides have real research behind them, Is GHK-Cu Safe? | GHK-Cu

Injection Site Reactions The injection site may become red, slightly swollen, or itchy, particularly if it is not rotated correctly

Proposed mechanisms of action included a breakdown of fibrotic tissue by shockwaves and induction of inflammatory response for plaque lysis and removal

PMC 3136748

Although sunitinib monotherapy only has insufficient clinical value as a second-line treatment for GC, its role in combination with chemotherapy deserves further study (143)

Dietary Insufficiency : It is almost absent from vegetable products, and thus, people following strictly vegetarian or vegan diets may suffer from its deficiency as this vitamin is accumulated in animal tissues like meat, eggs and dairy products

Conclusion: GHK-Cu Copper Peptide Powder significantly increased collagen and elastin production by HDFa cells, but in a concentration-dependent manner (0.01-10 nM)