WORCESTER, Mass., Jan. 22, 2009 (GLOBE NEWSWIRE) -- Generex Biotechnology Corporation (Nasdaq:GNBT) (www.generex.com), the leader in drug delivery for metabolic diseases through the inner lining of the mouth, today announced that it has entered into a distribution agreement with Butler Animal Health Supply LLC (www.accessbutler.com), the nation’s leading distributor of companion animal health supplies to veterinarians, pursuant to which Butler will distribute Glucose RapidSpray (www.glucoserapidspray.com), the Company’s proprietary glucose spray product, in the animal health industry in the United States.