Plants do not have selenoproteins, yet they provide the major source of dietary Se for many metazoans in the form of Se -Met and other Se -metabolites, which plants produce as sequestration products [139]
GHK-Cu, 100mg GHK-Cu is a copper-binding tripeptide complex widely utilized in preclinical research involving extracellular matrix regulation, metal-dependent signaling pathways, cellular communication networks, and peptide-metal interaction dynamics
10.1016/j.biochi.2012.10.003 83 MeuxE.ProsperP.MasaiE.MulliertG.DumarcayS.MorelM.et al
Dis Esophagus 17(1):38-43, 2004
The injectable formulation is also sometimes administered orally, with the dosage determined by a healthcare professional based on the patient's condition and INR (International Normalized Ratio) levels
Getting onto it isn't an approval