Example product source: GHK-Cu is widely available in cosmetic-grade powder form, including wholesale cosmetic suppliers such as Bulk Naturals Wholesale: AHK-Cu (Copper Tripeptide-3) AHK-Cu (Copper Tripeptide-3) is structurally related but used more selectively in cosmetic formulation
Tsai YW, Kann NH, Tung TH, Chao YJ, Lin CJ, Chang KC, et al
Injection-site & unknown long-term profile: Mild injection-site reactions can occur, and long-term human safety data are limited, so caution and monitoring are advised
Make sure you consult a healthcare professional before starting any new supplementation protocol
However, lipotropic injections used alone without a weight loss plan are not safe and can have various side effects on the body