WORCESTER, Mass., Oct. 18, 2007 (PRIME NEWSWIRE) -- Generex Biotechnology Corporation (NasdaqCM:GNBT - News), the leader in drug delivery for metabolic diseases through the inner lining of the mouth, announced today that it has entered into an exclusive Product Licensing & Distribution agreement with Adcock Ingram Limited and Adcock Ingram Healthcare (Pty) Ltd. (http://www.adcock.co.za) for the marketing, distribution, and sale of Generex Oral-lyn, the Company’s proprietary oral insulin spray product, in South Africa and 6 other neighboring countries: Lesotho, Swaziland, Botswana, Namibia, Mozambique, and Zimbabwe.