Researchers planning new work should review the most current literature directly, with attention to the gap between the older sleep claims and the open mechanistic questions
But Ayurveda has its own, much older category for this: Varnya , roughly "complexion-enhancing" herbs
I will be checking back with you to see how those primate studies are going, and well be hoping maybe two years from now well or three, well give you another year, that we might have some actual clinical trials in human patients, that would be amazing
(7) L Pickart, J Michelle Vasquez-Soltero, and A Margolina (2012) The Human Tripeptide GHK-Cu in Prevention of Oxidative Stress and Degenerative Conditions of Aging: Implications for Cognitive Health Oxidative Medicine and Cellular Longevity, 2012 (Issue 1), Page 324832