After about a week, you should start seeing some results
While convenient for a days worth of experiments, storing peptides in plastic syringes for extended periods can lead to adsorption (the peptide sticking to the plastic) and potential degradation
Evidence Quality Summary The honest assessment: mechanistic data is compelling, animal data is supportive, and human data exists but is not conclusive for GHK-Cu alone
Furthermore, the levels of succinate, another intermediate of the citric acid cycle, are not significantly affected, which also suggests that the citric acid cycle is not compromised
May 1 2021;doi:10.1007/s10815-021-02217-x Ramezani Tehrani F, Rahmati M, Mahboobifard F, Firouzi F, Hashemi N, Azizi F
Aunque los tiempos de respuesta pueden variar segn el tipo y gravedad de la lesin, la mayora de los usuarios comienza a notar mejoras en dolor, movilidad y funcionalidad en las primeras 2 semanas de uso regular