Diabetics can consume high amounts of protein and fat foods such as fish, animal and vegetable oils, and meat. The glycemic index of these foods is zero or close to zero and they do not have any negative effects.

But you can't eat too much of it, because even a normal person can't eat a lot of meat and fish.

Diabetics must control the sugar, starch, such as not too much refined rice and white flour, such as steamed bread, pasta, rice and so on.

Fruit is encouraged to eat more, to a certain extent, can lower blood sugar.