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COA checks out perfectly
Blood work including comprehensive metabolic panel and copper levels provides objective health verification for long-term users
Levels of GHK-Cu decline significantly with age dropping from approximately 200 ng/mL in young adults to near undetectable levels by age 60
Topical vs Injectable GHK-Cu can also be used topically in skincare products, and many serums on the market contain it
Proper math prevents dosing errors that compound throughout the vial
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