what is peptide ghk cu GHK-Cu Copper Face Cream, Firming, Elasticity & Hydration, 60g GHK-Cu Copper Peptide | Skin

The agency classifies it as an unauthorized health product, meaning it cannot be legally sold for human use in Canada

Blood levels peak around age 20 at approximately 200 ng/mL and decline to roughly 80 ng/mL by age 60, correlating with diminished skin elasticity and regenerative capacity

Treatment based on symptoms instead of blood values The recommended treatment in the Netherlands consists of a hydroxocobalamin injection of 1mg every two months, after an initial loading dose of 10 injections in 5 to 10 weeks

This is the total amount of lyophilized peptide in the vial, printed on the label commonly 5mg, 10mg, or 15mg for retatrutide research vials

We measure it to flag neuromuscular decline and biological aging that bloodwork alone won't catch