ghk-cu is it legal – True Lab Peptides GHK-Cu Peptides Before and After:

If left untreated, copper toxicity can cause liver failure or Wilsons disease, a condition that can affect your liver, nervous system, and mental health

Reference: Now, functional medicine translation: If a person has high oxidative stress due to poor sleep, insulin resistance, ongoing infections, mold exposure, or nutrient deficiencies, no peptide is going to magically cancel that out

GHK-Cu, a peptide your body produces naturally, drops by more than 60% between early adulthood and age 60

It makes it a normal scientific subject, with a real signal, a noisy literature, and open questions, rather than the miracle a serum label likes to imply