clipped from www.earthtimes.org Possible oral treatment for diabetics HAIFA, Israel, Dec. 24 A substance derived from yeast is being tested in Israel as a potential oral treatment for diabetes and its complications. The substance -- glucose tolerance factor, or GTF -- offers promise of inhibiting oxidation processes that can result in strokes and heart attacks. GTF given at early stage of diabetes may prevent or delay renal complications as well as cataracts and retinal damage.