was macht ghk cu GHK-Cu Copper Peptide: Dosage, Before and After Results, and How It Works GHK-Cu Peptide | Regenerative &
Description
Individual response varies substantially based on genetics, body composition, activity level, and dozens of other factors

Koopman L

40 LojoN.RasicZ.Zenko SeverA.KolencD.VukusicD.DrmicD.et al (2016)

This isn't just a simple deficiency

If more than 1 route was frequently used, then the most severe of those was chosen as the usual route based on the following ranking from least to most severe: oral, nasal, smoking, and injection

It is quite different from the intermittent hypoxic conditions associated with some diseases, such as obstructive sleep apnea syndrome
