When looking for dandelion root, be sure to find one which is roasted and unfastened (not in tea bags). This natural and organic dandelion root is a good selection. The 1st documented use of "nootropic" in reference to substances presupposed to maximize cognitive features was by Corneliu E. Giurgea in https://daltonctkbu.goabroadblog.com/31629600/new-step-by-step-map-for-adaptogens