There is one retrospective chart review of sixteen patients with chronic knee pain who paid for intra-articular injections
Results depend on injury type, severity, duration, individual healing capacity, and dosing protocol
Additionally, GHK-Cu provides benefits minoxidil doesn't: stem cell activation, anti-inflammatory effects, antioxidant protection, and collagen stimulation
A study found that physically active older adults had higher glutathione concentrations than their sedentary peers
Dermatologists' Verdict: For most people with pigmentation, acne marks, or uneven skin tone, dermatologists recommend starting with a glutathione serum because it provides gradual brightening with a much better safety profile than IV injections
Minoxidil and GHK-Cu share VEGF upregulation but through different pathways (minoxidil via potassium channel/PHD inhibition, GHK-Cu via fibroblast stimulation)