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Because no official human dosing study exists

Studies Done with GHK-Cu Numerous studies involving GHK-Cu have been done over the past four decades since it was discovered in 1973, and it has been found to aid in many areas of health and wellness

The copper ion itself is critical: GHK without chelated copper does not exhibit the same transcriptional profile

This is recounted by more than 80% of patients (98) and it has been estimated that two-thirds of ME/CFS cases arise following viral infection (85, 99)

At the respective analysis point, the medium was removed, washed with 200 l PBS and replenished with 200 l fresh medium per well

Its a compelling narrative