YES. Stevia is a non-nutritive sweetener, which means it provides sweet taste with little to no calories. Stevia even has no effect on blood glucose or insulin response. This means people with diabetics can enjoy food items with stevia as a sweetener. A study on the effects of stevia on metabolic outcomes showed minimal to no effects on blood glucose, insulin levels, blood pressure, or body weight.
Foods with Glycemic Index less than 50 are considered safe for people with diabetes. The regular table sugar has a GI of 65, and 100 being the highest. On the other hand, stevia contains nothing that causes any effect on blood sugar level and thus has a GI of 0.