There is no hard-and-fast amount thats recommended, but upwards of 1,000 mg a day appears to be safe
Specific concerns include theoretical copper exposure with repeated systemic dosing, a conceptual contraindication in Wilsons disease and other copper-metabolism disorders, and the sterility and impurity risks of injecting research-grade material that is not a sterile pharmaceutical product
What is the difference between GHK-Cu and BPC 157 in research
J Neuroinflammation 19:116
In many bacteria, the reactions of the -oxidation cycle can be carried out by multiple proteins (FadA to FadM), with FadE as the acyl-CoA dehydrogenase, FadB as the dual enoyl-CoA hydratase and 3-hydroxylacyl-CoA dehydrogenase, and FadA as the 3-ketoacyl-CoA thiolase (see Fig 1
In human breast tumors, this stress is estimated to range from 10 to 19 kPa [115]