A widely studied extract for circulation and cognitive function, with inconsistent results.
Ginkgo Biloba is one of the most extensively studied botanicals for cognitive function and circulation, with a research history spanning decades.
Results across that research have been notably inconsistent, varying by population studied, dose, and which cognitive outcome was measured — worth knowing before assuming a guaranteed effect.
It's traditionally associated with supporting healthy blood flow to the brain, which is the likely reasoning behind its inclusion here.