Horse Chestnut: Traditional Uses & What the Science Says

The bark, seed, leaf, and flower of horse chestnut, when taken or applied orally, have been used to treat and manage pain associated with the skin, leg veins, and hemorrhoids; swelling caused by fluid retention (edema); varicose veins; chronic venous insufficiency; spider veins; and leg ulcers. However, there is limited reliable scientific evidence to support these uses.