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ghk-cu safety profile human studies The first order degradation profiles of in various medium stored GHK-Cu Copper Peptide Supplement, Anti-Aging
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doi: 10.1016/j.jcf.2017.04.015

Importantly, telomere length measurements in treated subjects showed significant elongation compared to controls

You might start reconstituting your own and choose a different concentration

Singh, S., Tan, C., & Ahmad, A
