LA MIRADA, Calif.--(BUSINESS WIRE)--The E.T. Horn Company, a leading distributor, supplier, marketer, and manufacturer of specialty chemicals and food ingredients, today announced that it has entered into an exclusive distribution agreement with Biothera to represent its entire line of immune and health ingredients throughout the United States. Under terms of the agreement, E.T. Horn will market and distribute Biothera’s proprietary product portfolio through its FoodTech, Nutraceuticals, and Personal Care product groups.