ghk-cu long term long-term use tolerance The GHK-Cu delays aging in Caenorhabditis elegans via coordinated GHK-Cu | Reviews, Clinical Trials,
Description
Krude H, Biebermann H, Luck W, Horn R, Brabant G, Gruters A (1998)

I woke up with a sore left eye lid that sounds much like the description above, as well is an itchy left ear, and sore left arm at the vaccination site

Automated pipetting and microplate systems can process hundreds of GHK-Cu samples per day while maintaining consistent temperature and pH
In that study, the researchers concluded that epithalamin-treatment patients had significantly lower mortality than those of the control group [25]

For anti-aging focused protocols, GHK-Cu combines well with epithalon

For further reading see: Ipamorelin selective GH secretagogue research (PubMed)