Summary:In the United States, gotu kola is most commonly used to treat varicose veins and cellulitis. Gotu kola is not related to the kola nut (Cola nitida, Cola acuminata). Gotu kola is not a stimulant and does not contain caffeine.Scientific Evidence:Uses These uses have been tested in humans or animals. Safety and effectiveness have not always been proven. Some of these conditions are potentially serious, and should be evaluated by a qualified healthcare provider. Grade* Chronic venous insufficiency/varicose veins BAnxiety CDiabetic microangiopathy CWound healing C*Key to grades: A: Strong scientific evidence ....