Makhana, also known as fox nuts or lotus seeds, are the edible seeds of the lotus flower, scientifically termed Euryale ferox. In terms of nutritional value, makhana is low in fat and calories but high in essential nutrients such as protein, carbohydrates, fiber, and various vitamins and minerals including calcium, magnesium, and potassium. They are also gluten-free and considered a good source of antioxidants.