ghk-cu peptide recommended dose Definitive Guide on Peptides for Skin and Hair Care GHK-Cu (100 mg Vial) Dosage

GHK-Cu (glycyl-L-histidyl-L-lysine copper complex) is a copper peptide complex studied for tissue remodeling, wound healing, fibroblast signaling, extracellular matrix regulation, and collagen-related pathways

doi:10.1001/archpedi.160.9.933

At optimal concentrations, GHK-Cu increases mRNA production for collagen types I and III, elastin, proteoglycans, and glycosaminoglycans, while laboratory studies show that topical application for 12 weeks improves collagen production in 70% of subjects compared to 50% with vitamin C and 40% with retinoic acid

Vitamin D3 can be taken over-the-counter, whereas Vitamin B12 is best taken as a shot or IV infusion