WORCESTER, Mass., June 2, 2008 (PRIME NEWSWIRE) -- Generex Biotechnology Corporation (Nasdaq:GNBT) (www.generex.com), the leader in drug delivery for metabolic diseases through the inner lining of the mouth, will present two podium presentations of data from company-sponsored studies at the 68th Annual Scientific Sessions of the American Diabetes Association (ADA, www.diabetes.org), in San Francisco on June 7, 2008. Generex will also have on display two scientific poster presentations of data from Company-sponsored studies.