Japanese postprandial-glucose studies use about 5 g with meals acutely to 12 weeks; product- and population-specific
Reviewed · Published
Resistant dextrin
A soluble nondigestible fiber studied for post-meal responses and bowel regularity.
Established functions
- A soluble nondigestible fiber studied for post-meal responses and bowel regularity.
Dietary sources
- processed-starch foods
- fiber drinks
Claims and evidence
Claims that Resistant dextrin alone prevents or treats disease, or invariably improves health without deficiency, are unsupported.
Japanese reference amounts
- Japanese adults (age and sex as specified): As fiber, adult goal: men at least 20–22 g/day; women at least 18 g/day
Amounts studied
- Japanese postprandial-glucose studies use about 5 g with meals acutely to 12 weeks; product- and population-specific
Tolerable upper limits
- No specific UL; large amounts cause diarrhea
Forms and bioavailability
Supplement forms: corn-derived resistant dextrin, wheat-derived resistant dextrin
- Read source-material and finished-product allergen labels despite good solubility.
Safety and interactions
Adverse effects
- bloating
- flatulence
- diarrhea
Medicine and nutrient interactions
- monitor post-meal glucose with diabetes medicines
Contraindications and cautions
- Consult before use with obstruction or swallowing difficulty.
Practical selection
- Compare Resistant dextrin amount per serving, form, allergens, and batch testing; prefer a single-ingredient product suited to the intended use.
Sources and review
- Dietary fibre and health outcomes: systematic reviewsWorld Health Organization
Daiki Minaki (editorial and evidence review) ·