GHK-Cu dosage in clinical and research contexts typically ranges from 0.5 to 3 mg administered monthly via subcutaneous injection, though individual protocols vary based on treatment goals and baseline health markers
Glutathione, glutathione reductase and glutathione S-transferase activities in [PMID: 6463365] Laboratory literature summary: Glutathione, glutathione reductase and glutathione S-transferase activities in erythrocytes and lymphocytes in chronic renal disease
Your body makes it naturally, but stress, hard training, pollution, and aging can lower its levels
When comparing the two, R-lipoic acid may lead to stronger antioxidant and mitochondrial benefits, but cost, dosage and evidence must be weighed
Recommended for regular use over 3-4 months