URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Fennel, bulb, raw, 1 bulb Protein (g) 2.9 Total lipid (fat) (g) 0.47 Carbohydrate, by difference (g) 17.06 Energy (kcal) 72.54 Fiber, total dietary (g) 7.25 Calcium, Ca (mg) 114.66 Iron, Fe (mg) 1.71 Magnesium, Mg (mg) 39.78 Phosphorus, P (mg) 117 Potassium, K (mg) 968.76 Sodium, Na (mg) 121.68 Zinc, Zn (mg) 0.47 Copper, Cu (mg) 0.15 Manganese, Mn (mg) 0.45 Selenium, Se (mcg) 1.64 Vitamin A, IU (IU) 313.56 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 28.08 Thiamin (mg) 0.02 Riboflavin (mg) 0.07 Niacin (mg) 1.5 Pantothenic acid (mg) 0.54 Vitamin B-6 (mg) 0.11 Folate, total (mcg) 63.18 Vitamin B-12 (mcg) 0 Folic acid (mcg) 0 Folate, DFE (mcg_DFE) 63.18 Cholesterol (mg) 0