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This comparison breaks down exactly how they differ and where each one has the strongest research support
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Retrieved 30 December 2016
** Our GHK-Cu is not coloured with cosmetic or food dyes
The pentadecapeptide form sold for research was first characterized by Professor Predrag Sikiri's group at the University of Zagreb in the early 1990s, and the synthetic material supplied here is produced by solid-phase peptide synthesis to match that defined sequence
US$ 25.70
US$ 23.43
US$ 29.37
US$ 24.58
US$ 27.08
US$ 23.34
