Supplements · Dietary fibers
Indigestible Dextrin
難消化性デキストリン (Nan-shōka-sei dekisutorin)
Also known as: Resistant Dextrin
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| Category | Supplements |
|---|---|
| INCI name | Not applicable (food use)↗ |
| Japanese labeling name | Not applicable (food use) |
| Common Japanese notations | 難消化性デキストリン |
| CAS number | 9004-53-9↗ |
| Origin | Plant-derived (cornstarch processed into a resistant dextrin) |
| Typical functions | Soluble dietary fiber, Functional ingredient for blood glucose, blood lipid, and bowel function claims |
| Regulatory status in Japan | Indigestible dextrin appears in many Foods with Function Claims notifications. Also classified as a soluble dietary fiber. |
Indigestible dextrin is one of Japan's most commercially important Foods with Function Claims ingredients. The carbohydrate is a soluble fiber that resists digestion in the small intestine, and many Japanese functional beverages — particularly canned and bottled teas — incorporate it under Consumer Affairs Agency notifications around moderating post-meal triglyceride and blood glucose response.
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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.
Product applications
Functions
Origin
Common OEM product categories
Finished-product categories where Japanese OEM manufacturers commonly formulate with this ingredient.
- FFC functional teas (canned and bottled)
- FFC functional beverages
- Powdered fiber supplements
- Healthy snack and meal-replacement products
Ingredient profile
Indigestible dextrin is produced by partial enzymatic hydrolysis and heat-treatment of cornstarch, yielding short-chain saccharides that resist human digestive enzymes and pass into the colon as a soluble fiber.
OEM applications
In Japan, indigestible dextrin is the active functional ingredient in many "specially-positioned" canned teas and bottled functional beverages.
Regulatory classification in Japan
Many FFC notifications involving indigestible dextrin are on file with the Consumer Affairs Agency.
Regulatory classification in other markets
| EU | Soluble dietary fiber permitted under food regulations. |
|---|---|
| USA | Sold as a soluble fiber ingredient. |
| China | Permitted as a food ingredient. |
| Korea | Permitted. |
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 Indigestible Dextrin?
- Indigestible dextrin is one of Japan's most commercially important Foods with Function Claims ingredients. The carbohydrate is a soluble fiber that resists digestion in the small intestine, and many Japanese functional beverages — particularly canned and bottled teas — incorporate it under Consumer Affairs Agency notifications around moderating post-meal triglyceride and blood glucose response.
- What is the regulatory status of Indigestible Dextrin in Japan?
- Indigestible dextrin appears in many Foods with Function Claims notifications. Also classified as a soluble dietary fiber.
- What products typically use Indigestible Dextrin?
- FFC functional teas (canned and bottled) / FFC functional beverages / Powdered fiber supplements / Healthy snack and meal-replacement products
- Where does Indigestible Dextrin come from?
- Plant-derived (cornstarch processed into a resistant dextrin)
- What is the INCI / JSCI labeling name for Indigestible Dextrin?
- INCI: Not applicable (food use) / JSCI: Not applicable (food use)
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Sharing similar functions
Ingredients that overlap on functional benefit tags.
From the same origin
Other ingredients that share an origin classification.
Regulatory guidance
Take the next step
FAQ for OEM buyers
Q. What regulatory status does indigestible dextrin have in Japan?
Indigestible dextrin is approved as a Foods for Specified Health Uses (FOSHU / Tokuho) functional ingredient in Japan and also widely used in Foods with Function Claims (FFC) products, with established efficacy claims for postprandial blood glucose, blood triglycerides, and bowel function. It is one of the most widely used functional fibers in Japanese FOSHU/FFC.
Sources · Last reviewed: 2026-04-26
Q. What is the typical functional dose of indigestible dextrin per serving?
FOSHU and FFC products typically use 5 g of indigestible dextrin per serving for blood glucose and triglyceride claims, and 3-6 g per serving for bowel function claims. Dose must match the specific Tokuho approval or FFC notification.
Sources · Last reviewed: 2026-04-26
Q. What is the source material for indigestible dextrin?
Commercial indigestible dextrin is produced by enzymatic and pyrolytic processing of cornstarch, primarily by Japanese manufacturers such as Matsutani Chemical Industry. The material is highly purified and water-soluble, with CAS 9004-53-9.
Sources · Last reviewed: 2026-04-26
- Matsutani Chemical Industry — Fibersol product technical material (Industry knowledge)
Q. What format options are typical for OEM functional beverages and supplements with indigestible dextrin?
PET-bottle teas and barley teas (350-600 mL), powdered stick sachets (5-7 g), tablet/granule supplements, and instant soup base products are the most common formats. The ingredient is heat-stable and pH-tolerant, making it easy to formulate into a wide range of food matrices.
Sources · Last reviewed: 2026-04-26
- Industry knowledge — Japanese FOSHU/FFC product market
Industry-knowledge claim — not yet pinned to a single primary source
Use cases
FOSHU/FFC-approved barley tea or oolong tea (PET RTD)
- Positioning
- Postprandial blood glucose / triglyceride management with meals
- Typical usage level
- 5 g per serving (one bottle)
- Formulation notes
- Heat-stable; added to brewed tea base before bottling.
Functional fiber stick sachet (instant beverage)
- Positioning
- Daily fiber supplement, dissolves in water/coffee
- Typical usage level
- 5-7 g per stick
- Formulation notes
- Single-ingredient or blended with collagen, vitamins; aluminium sachet packaging.
Sources
- Industry knowledge — Japanese fiber supplement market
Industry-knowledge claim — not yet pinned to a single primary source
Functional miso soup or instant soup
- Positioning
- Bowel function or post-meal claim added to convenience soup
- Typical usage level
- 3-5 g per serving
- Formulation notes
- Added to powder pack; tasteless and odorless in soup matrix.
Sources
- Industry knowledge — Japanese functional instant food market
Industry-knowledge claim — not yet pinned to a single primary source
Functional tablet supplement (multi-dose chewable)
- Positioning
- Daily fiber/digestive support for older consumers
- Typical usage level
- 3-5 g via several tablets per day
- Formulation notes
- Often combined with bifidobacteria or oligosaccharides.
Sources
- Industry knowledge — Japanese supplement OEM market
Industry-knowledge claim — not yet pinned to a single primary source
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Official regulatory databases
External links to public Japanese / international regulatory authorities. We are not affiliated.
References
- Japan Consumer Affairs Agency — Foods with Function Claims notification database
Last updated: 2026-04-22. Ingredient entries are reviewed at least annually against current regulatory listings.