ghk-cu injection site subcutaneous Injections Explained: What You'll See, Feel, and Need to Know About Redness, Stinging, and... : r/thepeptideeffect GHK-CU Before and After Pictures

Veterinary Dermatology

GHK-Cu, a variant of the peptide found in high concentrations in the brain, has been studied for its ability to counteract age-associated decline in neuron function

Levels peak in youth and decline sharply with age and with that decline comes slower recovery, accelerated tissue breakdown, and diminished cellular function

They are not just looking for someone to fill a bottle

In summary, RCTs remain essential for establishing efficacy and internal validity, but their limited generalizability, high cost, and ethical constraints restrict their ability to answer all questions relevant to patient care