All foods Buckwheat Cereals and grains Pseudocereal used as a grain; for now, only the raw form confirmed by the available source is shown. Nutrition per 100 g Raw Raw Nutrient Amount per 100 g Calories 362 kcal Protein 13.3 g Fat 3.4 g Available carbohydrates 67.5 g Fibre 4 g Water 9.75 g Potassium 460 mg Magnesium 231 mg Iron 2.2 mg Source Ciqual 2025 ยท Food code 9380: Buckwheat, wholegrain, raw.