GHK-Cu occupies a more complex regulatory position: it is legally used as a cosmetic ingredient in topical formulations, but its use as an injectable compound for systemic effect is not approved and constitutes an unlicensed medicinal use
But injections give a much bigger dose
This lifelong therapy rapidly corrects deficiency, restores red blood cell production, and protects nerve function
Use copper peptides in the evening for regeneration and collagen support
In response, the hypothalamus may reduce the pulsatile secretion of gonadotropin-releasing hormone (GnRH), which subsequently decreases luteinising hormone (LH) and follicle-stimulating hormone (FSH) production from the pituitary gland
In this interplay, for translating GH actions into IGF-1 production, the production of endogenous insulin that reaches the liver via the portal vein is an essential factor