In addition, poor fibrin balance has been linked with autoimmunity, chronic inflammation, poor wound healing, chronic fatigue, and pain syndromes
Tabanelli R, Brogi S, Calderone V
Warning signs of intramuscular injection damage include redness, increased swelling, fever, and warmth of the skin at the injection site
A 2016 study published in Nature Scientific Reports directly compared copper compounds and found that while copper chloride and copper acetate were highly cytotoxic, GHK-Cu showed no cytotoxicity across all tested concentrations and did not induce inflammatory markers
Hepat Mon 10:1216 Tsai CC, Chen YJ, Yu HR et al (2020) Long term N-acetylcysteine administration rescues liver steatosis via endoplasmic reticulum stress with unfolded protein response in mice
I didn't experience any discomfort like vomiting, headache, nausea, breakouts, or whatsoever