First, there is considerable heterogeneity in study designs, including wide variations in the dosage, bioavailability, and treatment duration of supplements (e.g., -3 PUFAs, collagen peptides), which complicates direct comparison and meta-analysis
2023;31:781797.e9
Realistic expectation: Users running microneedling plus GHK-Cu often see at week 8 what topical-only users see at week 12
It may also help you feel less achy and stiff in the morning and even lessen the need for anti-inflammatory medications, says Mayo Clinic
Hofmann M, Halper B, Oesen S, Franzke B, Stuparits P, Tschan H, Bachl N, Strasser EM, Quittan M, Ploder M, Wagner KH, Wessner B
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