Horse chestnut (Aesculus hippocastanum) is a traditional remedy for leg vein health. The tree is also commonly known as conker tree. It tones and protects blood vessels and may be helpful in ankle oedema related to poor venous return. Utilised extensively throughout Europe as an anti-inflammatory agent for a variety of conditions, in addition to being used for vascular problems. The plant is taken in small doses internally for the treatment of a wide range of venous diseases, including hardening of the arteries, varicose veins, phlebitis, leg ulcers, hemorrhoids and frostbite. Taking horse chestnut seed extract containing 16% to 20% of the chemical aescin can reduce some symptoms of poor blood circulation, such as varicose veins, pain, tiredness, swelling in the legs, itching, and water retention.