Sharpness, Mental Acuity & Attention Brain Support Supplement Suitable for Vegetarians GMP Certified What is Gingko-Go!? Kyolic Brain Focus is a highly concentrated, pure Ginkgo Biloba extract in a convenient one-per-day caplet to help improve circulation in the brain, stay sharp and aid in overall focus. The premium Ginkgo Biloba utilized in Brain focus is a concentrated 50:1 herbal extract, standardized to 24% Ginkgo Flavonglycosides and 6% Terpene lactones, both antioxidants, and also contains SOD (Superoxide Dismutase), a potent antioxidant enzyme. Take Brain Focus every day to support improved sharpness, mental acuity and attention.Wakunaga - Kyolic