NATURE'S ANSWER GINKGO HERBAL SUPPLEMENT COMES FROM CAREFULLY EXTRACTED GINKGO LEAVES TO GIVE YOU A POTENT 500 MG. SUPPLEMENT THAT CAN HELP YOUR BODY MAINTAIN ITS HEALTHY BLOOD CIRCULATION. OUR SUPPLEMENT DOES NOT CONTAIN GLUTEN OR ALCOHOL TO MAINTAIN SAFETY. EACH BOTTLE CONTAINS 1 FL. OZ. OF OUR GINKGO HERBAL SUPPLEMENT.