Primarily known as a memory booster, research also shows that Ginkgo can help improve thinking skills in people of all ages, reduce symptoms of Alzheimer's disease, and relieve symptoms of PMS like breast tenderness.
Is it safe? Generally, yes. Ginkgo can be a blood thinner so people with clotting disorders or who use medications that slow blood clotting (including Ibuprofen) should steer clear. Common side effects include upset stomach and headaches, but these are generally mild.