they are prepared by licensed compounding pharmacies under federal compounding regulations
M.et al (2013)
2(1):5861 The potential of GHK as a modulator of cellular signaling pathways Disclaimer: For Laboratory Research Use Only (RUO)
Super GHK-Copper Cream: Water, ethylhexyl palmitate, squalane, stearic acid, cetyl alcohol, glyceryl stearate, PEG-100 stearate, PPG 2 myristyl ether propionate, copper tripeptide-1 (GHK-Copper), phenoxyethanol, C10-30 cholesterol/lanosterol esters, polysorbate 80, allantoin, leucine, lavandula angustifolia (lavender) oil, aloe barbadensis (aloe vera) powder, sodium salicylate, vitamin E TPGS (tocophersolan), vitamin E (as d-alpha tocopherol plus mixed tocopherols: d-beta, d-delta and d-gamma tocopherol)
Medications such as metformin or proton pump inhibitors can significantly hinder B12 absorption