Japanese Fermented Superfood for Everyday Wellness

Easy ways to enjoy authentic natto — from crunchy beans to seasoning and powder.

Discover Natto

Superfood From Japan

What is Natto?

Natto is a traditional fermented soybean food rich in umami and nutrients like probiotics, vitamin K2, and plant-based protein.

Yamasan offers authentic natto from Kyoto in various forms, including whole beans, powder, and furikake — perfect for adding flavor and nutrition to everyday meals.

Natto Powder
Dry Natto
Natto Furikake
Natto Koji Mix
Natto Kombu Mix
Superfood Natto Fermented Soybean Powder 50g(1.76oz) YAMASAN KYOTOUJI

Beginner-Friendly　★★★★★

Mix, Sprinkle, Versatile

Natto Powder is a clean, nutrient-rich superfood made from fermented soybeans. It delivers the probiotic and umami benefits of traditional natto in an easy-to-use powder form with a milder aroma and no stickiness. Perfect for smoothies, soups, dressings, and everyday wellness.

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Dried Natto, Superfood Fermented Soybean YAMASAN KYOTOUJI

Beginner-Friendly　★★★

As a Snack or with Rice

Authentic Japanese freeze-dried natto made from non-GMO soybeans using traditional fermentation methods. Convenient, versatile, and rich in natural flavor — perfect for rice bowls, soups, noodles, and salads.

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Superfood Natto Furikake Seasoning 40g(1.4oz) (Best Before:2026.5.15) YAMASAN KYOTOUJI

Beginner-Friendly　★★★★★

Sprinkle, Mix

A savory Japanese topping blend packed with umami from seaweed, sesame, kombu, bonito flakes, and more. Beginner-friendly, versatile, and perfect for rice, eggs, noodles, salads, and toast.

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Natto Superfood Set – Gut Health from Beans to Seasoning YAMASAN KYOTOUJI

Beginner-Friendly　★★★★

Topping, Dip & Mix

A rich Japanese fermented seasoning made with natto and koji. Packed with deep umami and balanced sweetness, it’s perfect for adding flavor to rice, vegetables, and everyday meals.

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Natto Superfood Set – Gut Health from Beans to Seasoning YAMASAN KYOTOUJI

Beginner-Friendly　★★★★

Rehydrate • Enjoy • Create

A healthy Japanese blend of umami-rich natto and mineral-rich kombu kelp. Perfect for adding deep flavor and natural nourishment to everyday meals.

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Natto Superfood Set – Gut Health from Beans to Seasoning

$39.99 USD

Natto Superfood Set – Gut Health from Beans to Seasoning YAMASAN KYOTOUJI

Natto Superfood Set – Gut Health from Beans to Seasoning

$39.99 USD

$39.99 USD

Natto Recipe Videos

Dried Natto, Superfood Fermented Soybean YAMASAN KYOTOUJI

Dried Natto, Superfood Fermented Soybean

From $17.55 USD

Superfood Natto Fermented Soybean Powder 50g(1.76oz) YAMASAN KYOTOUJI

Superfood Natto Fermented Soybean Powder 50g(1.76oz)

$20.99 USD

Natto Superfood Set – Gut Health from Beans to Seasoning YAMASAN KYOTOUJI

Natto and Kombu Mix 1.5oz(45g)

$17.50 USD

Natto Superfood Set – Gut Health from Beans to Seasoning YAMASAN KYOTOUJI

Natto and Kombu Mix 1.5oz(45g)

$17.50 USD

Natto Superfood Set – Gut Health from Beans to Seasoning YAMASAN KYOTOUJI

Natto and Koji Mix 180g(6.3oz)

$19.55 USD

Natto Superfood Set – Gut Health from Beans to Seasoning YAMASAN KYOTOUJI

Natto and Koji Mix 180g(6.3oz)

$19.55 USD

Natto Superfood Set – Gut Health from Beans to Seasoning YAMASAN KYOTOUJI

Natto and Koji Mix 180g(6.3oz)

$19.55 USD

Natto Superfood Set – Gut Health from Beans to Seasoning YAMASAN KYOTOUJI

Natto and Koji Mix 180g(6.3oz)

$19.55 USD

Natto for Everyday Meals

Natto Recipe Ideas

Natto and kombu mix

Japanese-style pasta 

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Natto and kombu mix

Vegan spring rolls

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Natto Furikake

Tamagoyaki

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Natto koji

Tofu nuggets

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Founded in 1995

We began our business in 1995 with door-to-door sales, delivering carefully selected healthy foods such as miso, soy sauce, and tea directly to households.

三方よし (Sanpō Yoshi)

Inspired by the spirit of Sanpō Yoshi — good for the seller, the buyer, and society — we strive to create value for producers, customers, and our employees alike.

Traditions and Culture

We are working to share various Japanese foods along with their traditions and culture, conveying the thoughts and passion of the producers behind them.

From Japan to the World

Connecting people through the taste of home, the spirit of care, and the beauty of Japanese food culture.