Further studies in the 2000s, (7) suggested that the GHK-Cu peptide hosts the potential to not only stimulate the collagen synthesis but also stimulate the production of tissue inhibitors, TIMP-1 and TIMP-2
It is common in peptide protocols to dose in sub-milligram or low-milligram ranges, meaning one 5 mg vial is often sufficient for multiple doses under research protocols
Both ended up in the same research category (Russian neuropeptides studied for cognitive applications), but they got there from completely different starting points
It depends on your goals and tolerance
Inhibition of STAT3, FAK and Src Mediated Signaling Reduces Cancer Stem Cell Load, Tumorigenic Potential and Metastasis in Breast Cancer
Our bodies naturally produce glutathione in the liver, but that production slows overtime, leading many antioxidant-cognizant people to look to food sources for glutathione