any significant deviation from the expected stoichiometry suggests adulteration or degradation Heavy metal panel: lead, arsenic, cadmium, and mercury below USP limits Microbial limits in compliance with USP 61 or equivalent Lot number and expiry tied to stability testing, not just a production date What degraded GHK-Cu looks like: Fresh GHK-Cu solution is pale blue (from copper(II) coordination)
Vandepol, S
Useful testing may include identity, potency, microbes, heavy metals, relevant impurities and stability
Pain 154 , 26162625 (2013)
At Yunique Medical, the process starts with a clear question: whats actually driving the symptoms
All patients were aware of their specimen content, potential risks and the purpose of the study, and had signed a written informed consent