Concentrations of GHK-Cu in the body decline significantly with age, from approximately 200 ng/mL in young adults to under 80 ng/mL by age 60, making topical replenishment meaningful
But "works" depends entirely on using it correctly
provided after discontinuation of chemotherapy, each 30 minutes (List separately in addition to code for primary procedure)
Contraindications Given the limited safety data, conservative contraindications would include pregnancy or plans to become pregnant, breastfeeding, age under 18, severe liver or kidney disease, and any condition requiring medications with unknown interaction potential
proper injection technique and site rotation can minimize these local reactions, and they tend to resolve quickly on their own