If you are diabetic, you have to reduce your intake of refined sugar (white), because it can increase their levels of glucose in the blood to dangerous levels. While most diabetics use artificial sweeteners contain no calories as they pass through the body undigested, you can also try some natural sugar substitutes in moderation.
Stevia is the best natural sugar substitute for diabetics who has zero calories. Extracted from a plant, stevia tastes like sugar, but is 30 times sweeter so you just need a little. It has no carbohydrates and has no effect on blood glucose levels. The best part is that is said to regulate blood pressure and have anti-inflammatory properties.