Urgent symptoms requiring immediate medical attention : Severe, persistent abdominal pain (especially if radiating to the back), persistent vomiting, fever with jaundice or right upper abdominal pain, signs of severe allergic reaction (swelling, rash, difficulty breathing), sudden vision changes, or severe dehydration (dizziness, very dark urine, little or no urination)
Systemic inflammatory response syndrome (SIRS) following unregulated IV administration, presenting with fever above 41 degrees Celsius, acute liver injury, and clotting abnormalities, is also documented in a 2025 case report
Persistent vomiting, severe abdominal pain, or signs of pancreatitis warrant stopping and contacting your prescriber immediately
Warmth and drainage Expected with GHK-Cu Skin at normal temperature, nothing draining
The product is available through prohealth.com and authorized third-party retailers including iHerb and Target