Who should avoid GHK-CU Wilson's disease or copper metabolism disorders Active malignancies (until more research exists) Pregnancy and breastfeeding Known copper sensitivity or allergy Those unable to maintain sterile injection technique When uncertain, consult a healthcare provider familiar with peptide research
Dosing protocols vary based on the condition being treated and administration route
Glutathione can protect important cellular components from damage caused by reactive oxygen species, such as free radicals, peroxides, lipid peroxides, and heavy metals
Questions to Ask About Evidence Quality and Safety Readers can ask a licensed clinician whether the claim is based on topical human data, wound-care research, animal models, cell studies, cosmetic marketing, or unsourced online protocols
S.DostertC.NonnenmacherY.CoxM.et al (2017)