 Screening: Potential subjects will then fill in and return to the investigators a detailed questionnaire concerning their medical history, medications including vitamin, mineral and nutritional supplements smoking habits, alcohol intake and exercise pattern and whether they are currently on a specific diet. Details will also be obtained concerning planned vacations. Those subjects deemed potentially eligible will be asked to give a fasting blood sample at the Biotechnology Center, University of the West Indies. Individuals who meet the study criteria, are invited to return again to the Department. The principles of the diabetic diet which they are already expected to be following will be reinforced by the study nutritionist whereby consuming a diet with more than 50 of daily calories from carbohydrate; less than 10 from saturated fat and 20 from mono- and polyunsaturated fat, or up to 25 if the surplus is from monounsaturated fat; cholesterol less than 300 mgday; and approximately 1.0 g protein per kg ideal weight per day. An increase in the intake of dietary fiber to 15 g per 1000 kcal was encouraged. All subjects were then randomized to one 24-week treatment in a two-treatment parallel design. 