Food · Fermented foods

Tōnyū (Soy Milk)

豆乳 (Tōnyū)

Also known as: Tōnyū, Soy milk, 豆乳, Soybean milk

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At a glance

CategoryFood
Japanese labeling name豆乳
Common Japanese notations豆乳, とうにゅう, ソイミルク
OriginSoybean milk — produced by soaking, grinding, and filtering soybeans; principal Japanese producers Kikkoman (Kikkoman Tonyū — major retail leader), Marusan-ai, Sujahta Mei-mei, Pokka Sapporo; categories include junsui-tonyu (pure), chosei-tonyu (adjusted with sugar/salt), and tonyu-inryo (flavored beverage)
Typical functionsBeverage retail (sweetened, flavored varieties), Tofu production raw material, Health/functional positioning (isoflavones, protein), Vegan/vegetarian dairy alternative
Regulatory status in JapanStandard food labeling. **Soybean is JAS-recommended-disclosure allergen.** Three categories under JAS: 純粋豆乳 (pure), 調整豆乳 (adjusted), 豆乳飲料 (flavored beverage).

Tōnyū (豆乳) is soybean milk — Kikkoman is the volume retail leader. Three JAS categories: pure (junsui), adjusted (chosei), flavored beverage (inryo). Universal beverage and tofu production input.

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Classification

Tags below link to other ingredients sharing the same attribute, so you can pivot from one ingredient to its peers.

Common OEM product categories

Finished-product categories where Japanese OEM manufacturers commonly formulate with this ingredient.

  • Pure tonyu (junsui) retail (1L cartons)
  • Adjusted/flavored tonyu retail
  • Industrial tonyu supply for tofu production

Ingredient profile

Soybean milk produced by soaking, grinding, filtering.

OEM applications

Beverage retail.

Tofu production input.

Health/functional positioning.

Vegan dairy alternative.

For OEM: beverage production OEM, tofu production input.

Regulatory classification in Japan

Standard food labeling. Soybean allergen recommended. Three JAS categories.

Regulatory classification in other markets

EUMajor established global soy milk market.
USAMajor US soy milk market.
ChinaMajor Chinese soy milk tradition.
KoreaEstablished Korean soy milk market.

Market reference formulations

Example finished products will be added after verification.

All brand names and product names referenced anywhere on this site are the property of their respective owners. Example entries are provided for informational purposes only and do not imply endorsement.

Alternative ingredients

Related ingredients commonly evaluated as substitutes.

Quick answers

What is Tōnyū (Soy Milk)?
Tōnyū (豆乳) is soybean milk — Kikkoman is the volume retail leader. Three JAS categories: pure (junsui), adjusted (chosei), flavored beverage (inryo). Universal beverage and tofu production input.
What is the regulatory status of Tōnyū (Soy Milk) in Japan?
Standard food labeling. **Soybean is JAS-recommended-disclosure allergen.** Three categories under JAS: 純粋豆乳 (pure), 調整豆乳 (adjusted), 豆乳飲料 (flavored beverage).
What products typically use Tōnyū (Soy Milk)?
Pure tonyu (junsui) retail (1L cartons) / Adjusted/flavored tonyu retail / Industrial tonyu supply for tofu production
Where does Tōnyū (Soy Milk) come from?
Soybean milk — produced by soaking, grinding, and filtering soybeans; principal Japanese producers Kikkoman (Kikkoman Tonyū — major retail leader), Marusan-ai, Sujahta Mei-mei, Pokka Sapporo; categories include junsui-tonyu (pure), chosei-tonyu (adjusted with sugar/salt), and tonyu-inryo (flavored beverage)
What is the INCI / JSCI labeling name for Tōnyū (Soy Milk)?
JSCI: 豆乳

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Official regulatory databases

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References

  1. Japan Soybean Milk Industry Association — production reference

Last updated: 2026-04-28. Ingredient entries are reviewed at least annually against current regulatory listings.

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