What is Natto?
Natto is fermented soybeans providing the highest vitamin K2 content of any food for bone and cardiovascular health, complete protein with enhanced digestibility from fermentation, and unique nattokinase enzyme that supports circulation.
Key Highlights
- Highest vitamin K2 source (870µg per 100g) directs calcium to bones and away from arteries
- Nattokinase enzyme supports healthy blood clotting and circulation
- Complete protein (17.7g per 100g) with improved digestibility from fermentation
- Probiotic Bacillus subtilis supports gut health and vitamin production
Natto Nutrition Facts
Nutrition values per 50 g (50g)
| Nutrient | Amount | % Daily Value* |
|---|---|---|
| Calories | 106 | - |
| Total Fat | 0g | 0% |
| Saturated Fat | 0g | 0% |
| Cholesterol | mg | 0% |
| Sodium | mg | 0% |
| Total Carbohydrates | 7.1g | 3% |
| Dietary Fiber | 2.5g | 9% |
| Sugars | 0g | - |
| Protein | 8.9g | 18% |
| Vitamins | ||
| Vitamin K | 435µg | 363% |
| Minerals | ||
| Iron | 3.9mg | 22% |
| Magnesium | 57mg | 14% |
| Calcium | 109mg | 11% |
*Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.
Health Benefits of Natto
Highest vitamin K2 source (870µg per 100g) directs calcium to bones and away from arteries
Highest vitamin K2 source (870µg per 100g) directs calcium to bones and away from arteries
Nattokinase enzyme supports healthy blood clotting and circulation
Nattokinase enzyme supports healthy blood clotting and circulation
Complete protein (17.7g per 100g) with improved digestibility from fermentation
Complete protein (17.7g per 100g) with improved digestibility from fermentation
Probiotic Bacillus subtilis supports gut health and vitamin production
Probiotic Bacillus subtilis supports gut health and vitamin production
Natto for Your Health Goals
Discover how Natto can support your specific nutrition and health goals:
Natto for Heart Health
Vitamin K2 and nattokinase powerfully protect cardiovascular system
Relevance: 9.6/10Natto for Longevity
K2 and fermentation support healthspan and lifespan
Relevance: 9.1/10Natto for Gut Health
Probiotic Bacillus subtilis supports gut microbiome
Relevance: 8.8/10Natto for Anti Aging
K2 and antioxidants protect against age-related diseases
Relevance: 8.6/10Natto for Muscle Building
Complete protein with enhanced bioavailability
Relevance: 8.3/10Natto for Metabolic Health
Protein and fermentation support healthy metabolism
Relevance: 7.9/10How to Select & Store Natto
🏠 Storage Tips
- Store unopened natto in refrigerator for up to 3 months or freezer for 6 months
- Once opened, consume within 3-5 days
- Freeze individual portions for convenience
Best Ways to Eat Natto
Quick Recipe Ideas
- Eat natto straight from container with soy sauce, mustard, and rice (traditional)
- Mix into fried rice or scrambled eggs to mask texture and strong flavor
- Blend into miso soup or add to hot dishes at end of cooking
- Start with small amounts (1 tbsp) and increase gradually to adapt to flavor
Track Natto in Your Diet
Use Nutrivio to log Natto and see how it fits your daily nutrition goals. Get personalized recommendations based on your health profile.