The horse chestnut tree, indigenous to Asia and northern Greece is now cultivated in many areas of Europe and North America. The fruit is made up of a spiny capsule containing one to three large seeds. Traditionally, the seeds, leaves, and bark, were used in medicinal preparations. More recently, horse chestnut extract is valued as a nutritional supplement beneficial to circulatory system. Horse chestnut seed extract is the traditional remedy for CVI, varicose veins, hemorrhoids, and phlebitis (inflammation of the veins) in Europe, where the extract has been subjected to a number of clinical trials¹.

The horse chestnut tree and a detailed view