Be careful when combining GHK-Cu with strong actives like vitamin C, retinoids, exfoliating acids, or prescription topicals
Some of the users have occasionally reported headaches, nausea, dizziness as well as redness and itching at the site of injection
Ipamorelin maintains receptor sensitivity through extended use (16+ weeks) without mandating breaks, making tesamorelin + ipamorelin suitable for continuous protocols
Digestive issues: Celiac disease, Crohns, and IBS can impact absorption in the gut
Encyclopedia of Clinical Neuropsychology
Copper peptides degrade with exposure to air and light, so opaque, airless pump bottles or tinted glass with a dropper are strongly preferred over clear jars