From the macro-nutrients (protein, fat, carbohydrates), buckwheat noodles and ordinary noodles nutritional differences, both rich in carbohydrates, buckwheat noodles and wheat flour protein content is comparable. But if you consider the structure of our modern diet, buckwheat noodles are more nutritious. This is mainly because the dietary fiber content of buckwheat noodles is much higher than ordinary noodles, so the rate of increase in blood sugar after intake will be slower, conducive to our control of blood sugar, and dietary fiber on our intestinal health is also a certain help. At the same time, the protein content of buckwheat and ordinary noodles is similar, but the lysine content is higher than ordinary noodles, so sometimes eat buckwheat face amino acid supplementation is also very good help.
In addition, relative to what we eat refined wheat flour made of ordinary noodles, buckwheat noodles are coarse grains, so the minerals and vitamins (especially B vitamins) than ordinary noodles, which is why we advocate the need to occasionally change the staple food into coarse grains.