Natto Nutrition Facts
Summary: 211 calories per 100 g serving. Net carbs: 7.3 g (total carbs 12.7 g – fiber 5.4 g) – not keto friendly. Contains 19.4 g protein and 11 g fat.
Natto is a traditional Japanese dish made from fermented soybeans, known for its strong aroma, sticky texture, and bold flavor.
Per serving, it has 211 calories, 11g fat, 12.7g carbs, and 19.4g protein, making it a surprisingly protein-rich food.
It also provides 5.4g fiber, which makes it filling, along with 4.9g sugar. That touch of sweetness is mild, but it helps balance the savory taste.
Natto
Serving size: 100 g
Calories211kcal
Net Carbs7.3g
Protein19.4g
Fat11g
Where do the calories come from?
Protein 34%
Carbs 22%
Fat 44%
What is this food made of?
Water 56%
Protein 20%
Carbs 13%
Fat 11%
Blood Sugar Index0Low
Inflammation Score13Low
PRAL Score9.51Acidic
Amino Acid Score78%Incomplete
Detailed Nutrition Facts
Macronutrients
| Calories (kcal) | 211 | 11% | ||
| Fat | 11 g | 17% | ||
| Saturated Fat | 6.2 g | 31% | ||
| Trans Fat | 0 g | — | ||
| Cholesterol | — | — | ||
| Sodium | 7 mg | 0% | ||
| Total Carbohydrate | 12.7 g | 4% | ||
| Dietary Fiber | 5.4 g | 22% | ||
| Total Sugars | 4.9 g | — | ||
| Protein | 19.4 g | 39% |
Vitamins
| Vitamin E (alpha-tocopherol) | 0 mcg | — |
| Vitamin K (phylloquinone) | 23.1 mcg | 19% |
| Vitamin C, total ascorbic acid | 13 mg | 22% |
| Vitamin B-6 | 0.1 mcg | — |
Source: USDA FoodData Central