Buckwheat is a highly nutritional substitute for wheat. As it is filled with fiber, protein, antioxidants, and aromatic compounds, it can help with a host of ailments. It is known for preventing certain types of cancer, aiding digestion and helping with constipation, preventing heart disease, managing diabetes, boosting the immune system, reducing gallstones, improving bone health, preventing asthma, and preventing anemia. It is highly rich in protein and can even be used as a substitute for meat, making it a great source of protein for vegetarians and vegans alike. It is also known for improving cognitive function.