Ginkgo biloba, its commonly studied potential benefits include:
Memory and cognitive support – may help certain aspects of memory and thinking, particularly in some older adults.
Circulation support – may improve blood flow through its effects on blood vessels.
Tinnitus support – has been studied for ringing in the ears, although results are mixed.
Eye circulation – may support blood flow to the eyes, but it isn't a treatment for eye disease.
Leg circulation – has been studied for symptoms associated with poor circulation in the legs.