Sugar-free instant oats are generally not glycemic very fast, but for added sugar instant oats may make blood sugar rise too fast. Sugar-free oats are rich in dietary fiber, which can slow down the absorption of carbohydrates and enhance satiety, and the glycemic index is not high, so its glycemic rate will not be very fast, which is very suitable for diabetic patients to eat. However, for the added sugar instant oats, which contain a lot of sugar, the glycemic index will be higher than sugar-free oats, after eating may cause blood sugar to rise too quickly, not conducive to blood sugar control, and is not recommended for diabetic patients to eat. If you are not sure about the dietary precautions for diabetes, it is recommended that you go to the hospital and consult a professional doctor.