Overview GHK-Cu (glycyl-L-histidyl-L-lysine copper(II)) is a naturally occurring copper-binding tripeptide first isolated from human plasma albumin by Loren Pickart in 1973. GHK is present in human plasma (200 ng/mL at age 20, declining to 80 ng/mL by age 60), saliva, and urine, and is…
In the full monograph
- What it is, and how it works
- What the evidence shows — randomized trials, observational data, animal studies, graded and cited
- Dose, form, and timing
- What to expect, and how soon
- Who should be careful, and what to check first
- The verdict
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