Confirm dosing instructions in writing before first use - particularly how to measure injectable doses if vials and syringes are used
You have three administration options: Option A: Injectable GHK-Cu only 200 to 600 mcg per day, subcutaneous Best for systemic tissue support (skin, joints, hair, internal tissues) No fasting required Option B: Topical GHK-Cu only Applied to target areas once or twice daily Best for localized skin concerns (face, abdomen, specific areas of laxity) Lower cost, no injection required Option C: Injectable plus topical (recommended for maximum benefit) Injectable for systemic support plus topical for targeted skin areas Most thorough approach Addresses both internal tissue health and external skin quality Step 4: Improve and Maintain As semaglutide is titrated up over the following months, continue GHK-Cu consistently
Morning application supports the initial inflammatory response and early tissue formation
SEC filings 2024-2025
The Injectable Version and Canadian Research Every human study cited in this article used the injectable, once-weekly form of Retatrutide
In Europe, no company selling the drug or treatment pathways around it has raised more than 10m in a single round