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Natto
Natto by Osato provides 179 kcal per 100 g, with 1.3 g of sugars and 15 g of protein. That is 76% less sugar than the average product in this category. Its Nutri-Score is A and it is classified as NOVA 4 (ultra-processed food). It is listed in the Soy beans category. Contains: gluten, mustard, soybeans.
Nutrient levels per 100 g
Levels use UK front-of-pack reference thresholds.
Nutrition facts
Serving size: 50.4g
| Nutrient | Per 100 g | Per serving | % DV* | Category avg |
|---|---|---|---|---|
| Calories | 179 kcal | 90 kcal | 302 −41% | |
| Total fat | 9.1 g | 4.6 g | 6% | 10 −9% |
| Saturated fat | 1.3 g | 0.7 g | 3% | 1.6 −19% |
| Carbohydrates | 5.6 g | 2.8 g | 1% | 18.3 −69% |
| Total sugars | 1.3 g | 0.7 g | 5.5 −76% | |
| Added sugars | 0.8 g | 0.4 g | 1% | 0.6 +25% |
| Protein | 15 g | 7.6 g | 15% | 32.6 −54% |
| Salt | 1 g | 0.5 g | 0.8 +19% |
*% Daily Value for a serving, based on a 2,000-calorie diet (FDA reference values). Category average across 137 Soy beans products on Foodmetria.
Compared with other soy beans
Bar shows the share of products in this category that contain less of the nutrient.
Ingredients
Fermented soybeans (89%) (SOYBEANS Bacillus subtilis var. natto). Sauce (Soy sauce (Water, SOYBEANS. Salt, WHEAT. Rice), Water, Sugar, Sweet cooking alcohol (Mirin) (Glucose, Glutinous Rice, Ethyl alcohol, Rice koji), Sait, Spirit vinegar). Mustard (Water, MUSTARD seed, Salt. Acid: E296, Acidity regulator (Ethyl alcohol, Spirit vinegar, E270), Colour: E100, Thickeners: E415 and E412, Antioxidant: E300).
- Allergens
- GlutenMustardSoybeans
- May contain traces
- GlutenMustardSoybeans
Additives 7
Overexposure risk is based on EFSA evaluations as recorded by Open Food Facts.
Product details
- Serving size
- 50.4g
- Labels & certifications
- Nattō
- Sold in
- United Kingdom
- Barcode
- 4970457000013
Prices reported by shoppers
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Frequently asked questions
How many calories are in Natto?
Natto contains 179 kcal per 100 g and about 90 kcal per serving (50.4g).
How much sugar is in Natto?
Natto has 1.3 g of sugars per 100 g, which is considered low by UK front-of-pack guidelines.
Is Natto healthy?
It has a Nutri-Score of A (A is best, E is worst); it is in NOVA group 4 — ultra-processed food. Scores describe nutritional quality and processing, not suitability for your individual diet.
What allergens does Natto contain?
According to the label data it contains: Gluten, Mustard, Soybeans. Recipes change — always check the package label.
Source: Open Food Facts (ODbL). Last updated March 27, 2026. Spotted a mistake? Edit this product on Open Food Facts. Not medical advice — always check the package label.
Reviews
Compare & rankings
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