All foods Leek Vegetables Nutrition per 100 g Raw Raw Nutrient Amount per 100 g Calories 30.4 kcal Protein 1.5 g Fat 0.3 g Available carbohydrates 4.55 g Sugars 3.9 g Fibre 1.8 g Water 90.4 g Potassium 180 mg Calcium 59 mg Iron 2.1 mg Vitamin C 12 mg Source Ciqual 2025 ยท Food code 20039: Leek, raw.