liquid ghk cu GHK-Cu Copper Peptide Face Tonic (30 mL) | Reduces Appearance of Fine Lines Helps Skin Look Firmer GHK-Cu 100mg

Macrocyclization can convey drug-like properties of larger molecules (Driggers et al., 2008

Either the GHK-CU isn't suitable for your biochemistry, your protocol needs adjustment, or an external factor is interfering

Journal of Physiology-Paris 87:313327 Sikiric P, Rucman R, Turkovic B, Sever M, Klicek R, Radic B, Drmic D, Stupnisek M, Misic M, Vuletic LB, Pavlov KH (2018) Novel cytoprotective mediator, stable gastric pentadecapeptide BPC 157

The protein expression levels of tight junction associated protein-1 (ZO-1), Occludin, inflammatory factors interleukin (IL)-6, IL-1 and tumor necrosis factor (TNF)-, SIRT1, STAT3, p-STAT3, and retinoic acid receptor-related orphan receptor gamma t (RORt) were detected by Western blot