A., Puts, N
The expression of the VD metabolism genes CYP2R1 and CYP27A1 (25-hydroxylase), CYP27B1 (1--hydroxylase), and vitamin D receptor (VDR) were downregulated in the livers of mice fed an HFD (GSH- deficient) compared with control diet-fed group
(PubMed) Fratantonio D, Speciale A, Molonia MS, et al
[DOI] [PubMed] [Google Scholar] 16.Ohkawa H., Ohishi N., Yagi K
Skin Rejuvenation and Anti-Aging Protocol Dose: 1 to 2 mg per day Route: Subcutaneous (abdomen, thigh, or upper arm) Frequency: Daily, 5 days on, 2 days off Cycle: 8 to 12 weeks on, 4 weeks off Expected results: 4 to 8 weeks for visible improvement Best for: Fine lines, skin elasticity, skin density, overall skin quality In a 12-week facial cream study (human trial, 71 women), 70% showed increased collagen production with GHK-Cu, compared to 50% with vitamin C and 40% with retinoic acid (Pickart et al., 2015)