Compound GHK-Cu (Copper Tripeptide-1) CAS Number 89030-95-5 Sequence Gly-His-Lys (copper-bound) Molecular weight ~403.9 g/mol Purity 99% (HPLC verified) Form Lyophilised powder Contents 50mg or 100mg per vial Packaging Sealed sterile research vial Storage (lyophilised) 28C, protect from light & moisture Storage (reconstituted) 28C, use within 28 days Reconstitution Bacteriostatic water (recommended)
However, the study had several limitations, such as the lack of a suitable control group and the possibility of regression to the mean when relying on historical controls in patients with a poor prior prognosis but a good current prognosis [129]
A 2025 Endocrine Society presentation put the figure near 40 percent for semaglutide, and a 2024 Circulation clinical primer reported a similar range across the drug class
Front Aging 2025;6
Risks may include joint pain, insulin resistance in some contexts, edema, carpal tunneltype symptoms, and potential tumor promotion in those with existing malignancies, which is why medical screening is important