Black buckwheat and yellow buckwheat which can not lower blood sugar levels, because black buckwheat and yellow buckwheat contain a certain amount of calories. Black buckwheat and yellow buckwheat have a certain glycemic index, in addition to water, any food has a fixed glycemic index, but black buckwheat and yellow buckwheat glycemic index of 59, for the glycemic index food. But in daily life should pay attention to intake. In clinical practice, the carbohydrate intake of diabetic patients accounted for 60% of the total calories a day ~ 70%, buckwheat food can be included in the carbohydrate intake, to encourage diabetic patients to diversify their diets, pay attention to the intake of a variety of staple foods, to master the principle of rationing can be black buckwheat, yellow buckwheat can also be mixed with cornmeal children, black soybean flour, and so on into a variety of grains. For patients with diabetes, it is recommended to consult the endocrinology department of the regular hospital for dietary health education. If you feel unwell, please seek medical attention.