HERB PHARM - Horse Chestnut Extract for Healthy Veins and Circulation - 1 fl. oz. (29.6 ml)DESCRIPTION We prepare our Horse Chestnut extract from the seeds of Aesculus hippocastanum trees which are Custom Wildcrafted in their natural wild habitat and are never fumigated or irradiated. To assure optimal extraction of Horse Chestnut's bioactive compounds, the seeds are hand harvested in late summer and are then taken directly to our laboratory and promptly extracted while still fresh and succulent. DETAILS Package Description: 1 fl. oz. (29.