The best practice is to use Vitamin C serums in the morning and GHK-Cu and/or retinoids in the evening, allowing several minutes between product applications
Additionally, more than one receptor type and different G-protein coupling of neuropeptide receptors in different tissues lead to variable effects of the same neuropeptides in different tissues/cell types [24,25,26,27,28,29,30,31,32,33,34,35,36]
(Well dive deeper into these in a minute.) Heres a quick timeline of how two capsules a day, taken with food, can help support your weight management goals
Procedures may vary in jurisdictions where different requirements are imposed by law