Natto Nutrition Facts

Quick answer

One 100 g serving of natto has 211 calories, 12.7 g of carbs, and 5.4 g of fiber.

Vegan Keto Gluten-free Low-sodium Diabetic-friendly Tags reflect category and nutrient values — see diet-tag pages for the rule behind each.

Nutrition Facts

Calories 369.3
Amount%DV*
Fat 19.3 g 25%
Saturated fat 2.8 g 14%
Trans fat 0 g —
Cholesterol 0 mg 0%
Sodium 12.3 mg 1%
Carbs 22.2 g 8%
Fiber 9.5 g 34%
Sugars 8.6 g —
Protein 33.9 g 68%
Vitamins & Minerals
Vitamin D 0 mcg 0%
Calcium 379.8 mg 29%
Iron 15.1 mg 84%
Potassium 1275.8 mg 27%
Magnesium 201.3 mg 48%
Zinc 5.3 mg 48%
Vitamin A 0 mcg 0%
Vitamin C 22.8 mg 25%
Vitamin B12 0 mcg 0%

* % Daily Value (DV) shows how much a nutrient in a serving contributes to a daily diet, based on 2,000 calories a day — FDA Daily Values, 21 CFR 101.9. Not shown for Trans Fat (no DV established) or Sugars (the DV covers added sugars only; this record's Sugars value is total sugars).

Source: USDA FoodData Central - SR Legacy (2018-04)

Calories by Macronutrient

Protein 34% Carbs 22% Fat 44%

Share of calories from each macronutrient — 4 kcal/g protein & carbs, 9 kcal/g fat (FDA's general Atwater factors).

Similar foods in legumes and legume products

Common questions

How many calories are in a cup (175 g) of natto?

A cup (175 g) serving of natto has 369.3 calories, per USDA FoodData Central.

Is natto high in iron?

Yes — a 100 g serving of natto has 8.6 mg of iron, or 48% of the FDA Daily Value. The FDA considers 20% DV or more "high" and 5% DV or less "low."

More about Natto

Calories → Compare Natto → Calculate custom amount → Nutrition Directories → High Protein Foods → High Fiber Foods → High Potassium Foods → Natto: cup to grams →