GHK-Cu has stronger evidence in dermal and cosmetic applications, including small human studies demonstrating improvements in skin thickness, density, elasticity, and wrinkle reduction after topical application
One sign of this anemia subtype is the development of jaundice: red blood cell destruction releases hemoglobin, which is broken down into bilirubin, leading to yellowing of the skin and the whites of the eyes (NHLBI 2011)
Macromol Biosci 20:2000034 Sivakumar P, Priyatharshni S, Nagashanmugam K, Thanigaivelan A, Kumar K (2017) Chitosan capped nanoscale Fe-MIL-88B-NH2 metal-organic framework as drug carrier material for the pH responsive delivery of doxorubicin
The mini version focuses on just B-complex and magnesium , which means you're getting the core benefits without the extra time commitment