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Copper Peptide GHK-Cu Copper Peptide GHK-Cu (CAS 49557-75-7), scientifically known as Glycyl-L-Histidyl-L-Lysine Copper , is a naturally occurring tripeptide complex first isolated from human plasma in the 1970s

Researchers first identified DSIP in the 1970s during experiments involving delta-wave sleep activity

The result is a natural, healthy glow that looks effortless and elevated

One Canadian study showed significant variability of melatonin content in natural health products labelled as melatonin and the presence of other substances [61]

Translesion DNA synthesis mediates acquired resistance to olaparib plus temozolomide in small cell lung cancer