Copper coordination gives the peptide a different analytical and biological context than the free GHK sequence, so appearance, complex notation, and purity matter more than the name alone
Current COAs are posted on our Certifications page
10.1016/j.ejphar.2007.05.072 93 Tlak GajgerI.RibariJ.Smodi kerlM.VlainiJ.SikiriP
Respected by researchers and physicians alike, it is known for promoting healthier cholesterol levels, supporting weight management, and maintaining healthy blood pressure
Nature , 288(5792), 715717
Your GHK-Cu storage strategy should freeze powder immediately upon receipt for long-term preservation, reconstitute only quantities usable within 30 days, refrigerate all liquid forms constantly at 2-8C, protect from light exposure, label with dates clearly, and discard any solution showing cloudiness, particles, color change, or past 30-day expiration regardless of appearance