Following the proper administration of prescribed therapeutic dosages, there are no side effects. The incidence of side effects caused by Ginkgo Biloba extract was exceptionally low in a pooled clinical trial including 10,000 individuals. Headaches, dizziness, palpitation, gastrointestinal abnormalities, blood issues, and skin hypersensitivity reactions were reported in a small number of instances. Diarrhea, nausea, vomiting, restlessness, and weakness may occur if you take more than the prescribed dose.