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Plant-BasedFermented Plant Foods
🟡Caution

Natto

Fermented Glycine max (Bacillus subtilis var. natto)

Natto is a variety of kimchi, known for its kimchi and savory flavor profile, and rich in essential nutrients like Vitamin K, B Vitamins (B6, B12), Vitamin C.

Regional names

Natto

Origin

Natto is cataloged inside the kimchi lane of fermented plant foods.

Native region

Traditional fermentation cultures and modern preserved-food systems

Season

Available year-round depending on form, preservation, or sourcing

Food Combinations & Timing

✅

Safe Combination Profile

It is safe to eat this food item with other food items.

Nutritional profile

Calories

15 kcal / 100 g

Protein

1.1 g

Carbs

2.5 g

Fat

0.5 g

Fiber

1.6 g

Water content

Varies by product

Glycemic index

Low

Vitamins

  • Vitamin K
  • B Vitamins (B6, B12)
  • Vitamin C

Minerals

  • Sodium
  • Iron
  • Calcium
  • Zinc

Health benefits

Evidence-aligned highlights

  • Natto is grouped with kimchi ingredients that commonly contribute flavor, cooking flexibility, and category-specific nutrient value.
  • Natto can be compared against other fermented plant foods items using the same EatPedia detail layout.
  • Natto is ready for future USDA and editorial enrichment while already carrying a structured safety and preparation profile.

Flavor notes

Kimchi, Savory, Balanced

Texture

Texture varies across kimchi items and how they are prepared.

Aroma

Kimchi aroma varies by variety, freshness, and preparation.

Pairings

Rice, Noodles, Roasted vegetables, Broths, Eggs

Safety & toxicity

Edible parts

Standard edible culinary portions of natto

Toxic or risky parts

Discard damaged, spoiled, or non-food-grade forms of natto

Raw vs cooked

Often ready to eat, though heat changes flavor, texture, and live-culture activity.

Allergies & intolerances

People with known sensitivities to fermented plant foods items should confirm tolerance before larger servings.

Drug interactions

Normal culinary servings of fermented plant foods items usually fit routine diets, but concentrated use can change tolerance or medication timing.

Safe daily limit

Typical meal-sized servings of fermented plant foods items are appropriate for most adults when tolerated.

⚠️ Notice: This safety profile is a general guideline. Dietary tolerances differ; consult a healthcare professional for allergies or drug interactions. See our full disclaimer.

Who should avoid & how to handle it

Who should avoid or moderate

  • People with allergies, sensitivities, or medically restricted diets related to kimchi items should review tolerance carefully.

Preparation & storage

  • Clean: Wash, sort, or inspect natto according to its usual market form before use.
  • Cut: Cut, peel, grind, or portion natto according to the intended recipe and texture target.
  • Cook: Prepare kimchi items using the method that best suits their usual culinary form and texture.
  • Store: Store in the usual food-safe way for the product form you buy: fresh, dried, fermented, or shelf-stable.
  • Preserve: Freeze, dry, ferment, or pantry-store natto according to the form you buy and how quickly you plan to use it.

Cuisine & cultural use

Common cuisines

  • Korean
  • Japanese
  • Central European
  • Plant-forward meal prep

Natto appears in Korean, Japanese, Central European, Plant-forward meal prep, often because its flavor structure and prep speed fit both everyday cooking and ceremonial dishes.

Dynamic Substitutions

No alternatives recorded for this specific item. It is chemically or botanically unique in the database.

🌱 Cultivation & Production

Natto Home Growing Guide

Learn how to grow and cultivate natto at home, whether you live in an urban apartment or have access to outdoor garden land.

Apartment Friendly

✗ Not Ideal for Apartments

No

Urban Space Advice

Not recommended for apartments unless using specialized dwarf varieties in large, heavy pots.

Difficulty

Hard

Propagation

Grafting (commercial propagation) or seeds (slower growth).

Soil Type

Deep, well-draining garden soil

Watering

Deep watering once a week

Sunlight

Full sun (8+ hours daily)

Best Season

Spring planting; fruits in Summer/Autumn

Step-by-Step Growing Guide

  1. 1

    For garden planting: Choose a sunny spot with deep, fertile, well-draining soil.

  2. 2

    Dig a hole twice as wide as the root ball and plant at the same depth as the container.

  3. 3

    Water deeply once a week, especially during the first two years and during fruiting.

  4. 4

    Prune annually in late winter to remove dead wood and shape the tree for sun exposure.

Quick recipes

Fast recipes using Natto

Breakfast

Traditional Steamed & Fermented Natto Soybeans

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Whole small soybeans gently pressure-steamed and fermented until rich and stringy.

Ingredients

Servings:2
  • 1 cup dry small natto soybeans, soaked overnight
  • Water for steaming
  • 1 tbsp soy sauce
  • 1 tsp Japanese hot mustard (karashi)

Nutrition

  • 190 kcal
  • 18 g protein
  • 14 g carbs
  • 9 g fat

Preparation Steps

  1. 1Soak dry soybeans in cold water for 12 hours until swollen to twice their original size.
  2. 2Steam the beans in a steamer basket over boiling water for 120 minutes until they can be easily crushed between your thumb and forefinger.
  3. 3Transfer warm steamed beans to a shallow container, cover with breathable sterile cloth, and let rest warm.
  4. 4Serve warm or chilled, whisking vigorously with chopsticks to activate the signature glossy, frothy mucilage before seasoning with soy sauce and karashi.