These signals support biologic plausibility and justify further translational investigation, but do not establish clinical benefit
While animal and in vitro studies have examined its activity, large-scale human clinical trials are limited, and its full safety and efficacy profile has not been established
J Clin Endocrinol Metab 106:388396
Key Takeaways GHK-Cu was discovered when young people's blood made old liver tissue behave young again
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