Look out for this if you take ghkcu!
18 Jul 2026 · 0 min
0:13
In this brief PSA-style video, Katie Mullen thanks a source for information and warns viewers that a blue tinge in their nails is a clear sign they have taken too much ghkcu. She advises anyone noticing this symptom to immediately stop or reduce their usage, emphasizing a cautious approach to the substance.
