Patients are randomly assigned to treatment or placebo groups, and neither patients nor evaluators know who received which (double-blind)
Studies have shown this route of administration to provide significantly increased bioavailability.21 22 Orally: After 30-90 seconds, you swallow the liquid
How it works: GHK-Cu (glycyl-L-histidyl-L-lysine copper complex) activates over 4,000 genes involved in tissue remodeling
Received: Accepted: Published: Version of record: DOI:
All testing results, including those for NSF certification, are publicly available
With the range of different modes of administration available, especially in testosterone gels and injections, patients and health providers must understand the differences between these options