Buckwheat is rich in the flavonoids rutin and quercetin. Rutin strengthens the blood vessels while quercetin helps to reduce inflammation. Other notable health benefits of buckwheat include: An option for people with celiac disease or anybody else committed to eating a gluten-free diet. Buckwheat offers far more fiber, vitamins, and minerals than the rice products that are often used in gluten-free recipes. A diet high in fiber is sure to protect your digestive health. Nutrients found in buckwheat have reportedly helped people with type 2 diabetes manage the condition by improving insulin resistance. Reduces your chances of developing cardiovascular disease. Along with a variety of antioxidants, Buckwheat is also an excellent source of minerals such as: Copper, Manganese, Magnesium, Phosphorus.