It is diagnosed through skin biopsy showing reduced intraepidermal nerve fiber density (IENFD) or corneal confocal microscopy showing reduced corneal nerve fiber density
The peptide is endogenously present in human plasma at low nanomolar concentrations in young adults, with the concentration declining with age (a finding from the original GHK research literature that is frequently cited in discussions of the compound)
Patients are investing in a personalized treatment design, medical oversight, quality sourcing, and support
Document history Updated in August 2025 by Lisa Dal Pozzo (Mechanism of Action and Safety) and the CAM Cancer Collaboration
Many patients also report increased energy levels and improved mental clarity while following their diet plan
Pankova, K., Rosel, D., Novotny, M., & Brabek, J