I've not used this long enough to see a dramatic difference but I do notice a boost in hydration and radiance
Notably, the present narrative review is an extension of a previous review article that covered polyphenols and/or phytoestrogens that included daidzein, equol, genistein, and resveratrol as supplemental therapies for skin aging, which was published in Dermatology and Therapy earlier this year by Lephart (2025) [9]
Sian J, Dexter DT, Lees AJ, Daniel S, Agid Y, Javoy-Agid F, Jenner P, Marsden CD (1994) Alterations in glutathione levels in Parkinsons disease and other neurodegenerative disorders affecting basal ganglia
Cells 11 , 2066 (2022)
During this phase, ReadyRx healthcare providers typically recommend starting with moderate doses (600-800mg) administered once or twice weekly