Herb & supplement monograph

Arabinoxylan Drug Interactions, Uses, Effectiveness, Safety & More

Medically reviewed by ·Updated July 2026
What is this page for?

First and foremost: how Arabinoxylan interacts with medications. The heart of this page is the interaction list — every drug Arabinoxylan is known to interact with, and how serious each one is.

But these pages have grown well beyond that into a full monograph — what Arabinoxylan is, what people use it for and how strong the evidence is, its safety and side effects, and answers to the questions we’re asked most — written and reviewed by the clinical staff at HelloPharmacist. It’s educational information from our licensed clinical databases, not medical advice, and we don’t sell or endorse products. Our editorial policy

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Arabinoxylan Drug Interactions: The Bottom Line

From the HelloPharmacist Editorial Team · Updated July 2026

Based on the available evidence, the overall risk of a clinically significant Arabinoxylan drug interaction appears low for most people, unless you take medication for diabetes. None of the listed interactions are rated major, and every one of them involves the same single concern: medicines that lower blood sugar.

Interactions deserving the most attention

The interactions that deserve attention all involve diabetes medications, such as glimepiride and glyburide. Human research shows that arabinoxylan-rich fiber can blunt the rise in blood sugar after meals, so combining it with these medicines could, in theory, add up and push blood sugar too low. If you use any medicine that lowers blood sugar, changes in your readings are worth watching for and discussing with your prescriber.

What the rest of the list means

The long list of interacting medications looks bigger than it is, because it simply reflects the many different diabetes drugs on the market rather than many separate risks. The additive low blood sugar effect itself is still theoretical, predicted from arabinoxylan's fiber effects rather than proven to cause problems in people taking these medicines. For everyone else, no meaningful interactions have been identified.

Check your medications against Arabinoxylan

Based on HelloPharmacist’s Arabinoxylan interaction data and reviewed under our editorial standards.

Interaction report

Drugs that interact with Arabinoxylan

86 medications have a known interaction with Arabinoxylan, graded by severity. Select any drug for the full evidence-based detail.

2,830 drugs
AcarboseGlucobay, Prandase, Precose› AcetohexamideDymelor› AlbiglutideTanzeum› AlogliptinNesina› Alogliptin, MetforminKazano› Alogliptin, PioglitazoneOseni› Antidiabetes, Dipeptidyl Peptidase-4 (dpp-iv) InhibitorGlyxambi› CanagliflozinInvokana› Canagliflozin, MetforminInvokamet› Canagliflozin, Metformin HydrochlorideInvokamet XR› ChlorpropamideChlorpropam, Diabinese› DapagliflozinFarxiga› Dapagliflozin Propanediol, MetforminXigduo XR› Dapagliflozin Propanediol, Saxagliptin HydrochlorideQtern› Dapagliflozin, Metformin Hydrochloride, Saxagliptin HydrochlorideQternmet XR› Dasiglucagon HydrochlorideZegalogue› DulaglutideTrulicity› EmpagliflozinJardiance› Empagliflozin, Linagliptin, Metformin HydrochlorideTrijardy XR› Empagliflozin, MetforminSynjardy› Empagliflozin, Metformin HydrochlorideSynjardy XR› ErtugliflozinSteglatro› Ertugliflozin, Metformin HydrochlorideSegluromet› ExenatideBydureon, Byetta› Exenatide SyntheticBydureon BCISE› GliclazideDiamicron› GlimepirideAmaryl› GlipizideGlucotrol, Glucotrol XL› Glipizide, MetforminMetaglip› GlucagonBaqsimi, Glucagon›
Read The List Like a Pharmacist

What Severity, Likelihood & Evidence Mean

Severity — How Serious It Can Be

  • Major. Clinically significant; generally best avoided, or used only under direct professional supervision.
  • Moderate. May need monitoring, a dose adjustment, or separating the times you take each one.
  • Minor. Generally not clinically significant, but still worth noting and mentioning to your pharmacist.
  • No known interaction. Checked against our sources with nothing documented — not the same as proven safety.

Likelihood — How Well It’s Documented

  • Likely. Well-controlled human studies have demonstrated the likely existence of this interaction
  • Probable. Interaction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
  • Possible. Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
  • Unlikely. Interaction has been demonstrated in animal or in lab research but has been shown not to occur in humans.

Where This Data Comes From

  • Interaction records are evidence-graded and sourced from the Natural Medicines database (TRC Healthcare), the same reference used by pharmacists and hospitals.
  • Each drug listed above links to the full report for that exact Arabinoxylan combination — clinical detail, likelihood, evidence level, and citations.
  • Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.
The big picture

The kinds of drugs Arabinoxylan affects

Every type of medication (drug category) Arabinoxylan is known to interact with. Open any category for the detail — or search your exact drug in the checker above.

All 1 drug category Arabinoxylan interacts with
Antidiabetes Drugs
Antidiabetes Drugs

Evidence from human research suggests that an arabinoxylan-rich fiber can reduce postprandial glucose levels. Theoretically, arabinoxylan might have additive effects with antidiabetes drugs and increase the risk of hypoglycemia. Monitor blood glucose levels closely. Dose adjustments might be necessary. Some antidiabetes drugs include glimepiride (Amaryl), glyburide (DiaBeta, Glynase PresTab, Micronase), insulin, pioglitazone (Actos), rosiglitazone (Avandia), and others.

Likelihood Possible Evidence B
Monograph

Arabinoxylan: Uses, Safety & Side Effects

Medically reviewed by · Reviewed July 2026 ·
The bottom line

Arabinoxylan is a type of dietary fiber found in cereal grains that acts as a prebiotic and may modestly affect blood sugar and blood fats. The evidence for most uses is early and limited, so it should not replace proven treatments. If you are considering it, talk with your pharmacist or doctor first.

Arabinoxylan
Part used
Fiber extracted from the cell walls of cereal grains (such as wheat bran, rice bran, corn, rye, oat, and barley)
Common forms
Powder, capsules, and a modified rice-bran product known as MGN-3 (Biobran)
People commonly use it for
  • Blood sugar support
  • Digestive and gut health (prebiotic)
  • Cholesterol and triglyceride support
  • Immune support
  • Metabolic syndrome

Popular and traditional uses — not proof it works. See “Uses & effectiveness” below for the evidence.

Safety at a glance
OverallUse caution

Generally considered well tolerated as a food-derived fiber, but high-quality long-term safety data are limited.

PregnancyInsufficient reliable information

Insufficient reliable information available; avoid using.

Read the full pregnancy detail
BreastfeedingInsufficient reliable information

Insufficient reliable information available; avoid using.

Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center). Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Jump to a section

Overview

Arabinoxylan is a type of dietary fiber found in the cell walls of cereal grains such as wheat, corn, rice, rye, oat, and barley. Its structure is made of a backbone of xylose sugars with arabinose side chains, which is where the name comes from.

Because it is a fiber, our bodies do not fully digest it. Instead, it travels to the large intestine where gut bacteria can use it. Manufacturers often extract arabinoxylan from grain byproducts, such as wheat-flour processing leftovers or rice bran. One well-known modified rice-bran product is sometimes sold under the name MGN-3 or Biobran.

People take arabinoxylan as a supplement for things like blood sugar control, gut health, cholesterol, and immune support. It is also naturally part of a normal high-fiber, whole-grain diet.

How it works

Arabinoxylan is a fermentable, prebiotic fiber. When it reaches the large intestine, gut bacteria break it down. This can increase the number of beneficial bacteria like bifidobacteria and lead to the production of short-chain fatty acids, which may support the health of the gut lining.

By slowing how quickly food is digested and absorbed, fiber like arabinoxylan may blunt the spike in blood sugar after a meal. It may also help reduce the amount of protein broken down (fermented) in the colon and may have modest effects on blood fats.

The immune effects claimed for modified rice-bran arabinoxylan are mostly based on laboratory and animal studies, and these mechanisms are not yet well proven in people.

Effectiveness

Does Arabinoxylan work?

Here’s what the research actually shows for each use — graded by Natural Medicines and reviewed by .

Evidence overview · 3 uses evaluated
3 Insufficient evidence
How to read these evidence grades

Natural Medicines’ 7-point scale. We show each rating’s label word-for-word.

1EffectiveStrong, consistent evidence it works.
2Likely EffectiveGood evidence, though not yet conclusive.
3Possibly EffectiveSome evidence suggests a benefit.
4Possibly IneffectiveSome evidence it may not help.
5Likely IneffectiveFairly strong evidence it doesn’t help.
6IneffectiveStrong evidence it doesn’t work.
7Insufficient Reliable Evidence to RateToo little research to say either way.

For Arabinoxylan, current evidence isn’t strong enough to rate any specific use. The conditions it has been studied for are listed below.

Also studied for 3 conditions — evidence insufficient to rate
Insufficient Reliable Evidence To Rate Diabetes
Rating & evidence shown verbatim from Natural Medicines

Preliminary clinical research shows that consuming food containing approximately 15 grams of arabinoxylan daily for 5 weeks lowers fasting and postprandial glucose, postprandial insulin, and serum fructosamine concentrations when compared with placebo in patients with type 2 diabetes.

Sources Ref 25666
Insufficient Reliable Evidence To Rate Impaired glucose tolerance (prediabetes)
Rating & evidence shown verbatim from Natural Medicines

Preliminary clinical research shows that consuming foods supplemented with arabinoxylan 15 grams daily for 6 weeks reduces serum concentrations of glucose and triglycerides after a liquid meal challenge test when compared with placebo in patients with impaired glucose tolerance. Some evidence shows that taking this dose of arabinoxylan also decreases postprandial insulin levels. However, conflicting evidence exists. Also, arabinoxylan does not appear to affect fasting adipokine concentrations in patients with impaired glucose tolerance.

Sources Ref 25668 Ref 25669
Insufficient Reliable Evidence To Rate Metabolic syndrome
Rating & evidence shown verbatim from Natural Medicines

A small clinical study in adults with metabolic syndrome shows that consuming a diet containing arabinoxylan 16 grams and resistant starch 21 grams daily for 4 weeks does not affect postprandial levels of lipids, glucose, or insulin when compared with a diet containing refined carbohydrates. However, a sub-analysis of patients who were also taking statins found that consuming the arabinoxylan diet reduced total and low-density lipoprotein (LDL) cholesterol when compared with consuming a refined carbohydrate diet. This effect was not seen in patients who were not taking statins. The reason for these differing outcomes is unclear.

Sources Ref 99679

Source & disclaimer. Effectiveness ratings and evidence summaries are provided by Natural Medicines (Therapeutic Research Center) and shown as licensed. Where Natural Medicines hasn’t rated a use, HelloPharmacist’s pharmacists may add their own reviewed rating and evidence (each such entry is labeled). This is educational information, not medical advice — talk with your pharmacist or doctor before starting, stopping, or changing a supplement.

Safety & precautions

As a fiber that comes from common grains, arabinoxylan is generally thought to be well tolerated when used in normal amounts. Still, high-quality long-term safety studies are limited.

People with wheat allergy or celiac disease should be careful, since some products are derived from wheat and may contain gluten or grain proteins. Check the label and choose a product confirmed to be gluten-free if needed.

If you have diabetes or take blood-sugar-lowering medicine, monitor closely, because fiber may affect glucose levels. People with bowel disorders should add fiber slowly and with medical guidance.

For pregnancy and breastfeeding, there is not enough reliable information about supplement doses. It is safest to get fiber from regular foods and to avoid concentrated supplements unless your doctor or pharmacist advises otherwise.

Side effects

The most common side effects are digestive, especially when starting or taking larger amounts. These can include gas, bloating, stomach cramps, and changes in bowel habits.

Starting with a small amount, increasing slowly, and drinking enough water can help reduce these effects. Allergic reactions are possible, particularly in people sensitive to the grain the fiber came from. Stop use and seek care if you have signs of an allergic reaction such as rash, swelling, or trouble breathing.

Arabinoxylan: Reported Adverse Effects

Documented safety reports on Arabinoxylan from the evidence-graded Natural Medicines (TRC Healthcare) database, shown word-for-word from the licensed record.

Orally, arabinoxylan seems to be well tolerated. Some adverse effects reported in clinical trials include diarrhea, gas, bloating, and abdominal pain.

  1. Grasten S, Liukkonen K-H, Chrevatidis A, et al. Effects of wheat pentosan and inulin on the metabolic activity of fecal microbiota and on bowel function in healthy humans. Nutrition Res 2003;23:1503-14.
  2. François IE, Lescroart O, Veraverbeke WS, et al. Effects of a wheat bran extract containing arabinoxylan oligosaccharides on gastrointestinal health parameters in healthy adult human volunteers: a double-blind, randomised, placebo-controlled, cross-over t
  3. Scarpellini E, Deloose E, Vos R, et al, The effect of arabinoxylooligosaccharides on gastric sensory-motor function and nutrient tolerance in man. Neurogastroenterol Motil. 2016 Aug;28(8):1194-203.
Reports by condition
Diarrhea Gastrointestinal

Orally, arabinoxylan can cause gastrointestinal adverse effects such as diarrhea, gas, bloating, and abdominal pain.

  1. Grasten S, Liukkonen K-H, Chrevatidis A, et al. Effects of wheat pentosan and inulin on the metabolic activity of fecal microbiota and on bowel function in healthy humans. Nutrition Res 2003;23:1503-14.
  2. François IE, Lescroart O, Veraverbeke WS, et al. Effects of a wheat bran extract containing arabinoxylan oligosaccharides on gastrointestinal health parameters in healthy adult human volunteers: a double-blind, randomised, placebo-controlled, cross-over t
  3. Scarpellini E, Deloose E, Vos R, et al, The effect of arabinoxylooligosaccharides on gastric sensory-motor function and nutrient tolerance in man. Neurogastroenterol Motil. 2016 Aug;28(8):1194-203.
DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.

Adverse-effects data: Natural Medicines, Therapeutic Research Center

Dosing

There is no official or standardized dose of arabinoxylan, and amounts used in studies have varied widely depending on the product and the goal.

The best approach is to follow the directions on the specific product label and to start low and increase slowly to limit gas and bloating. Drink plenty of fluids when taking any fiber supplement.

Because the right amount depends on your health, other medicines, and the exact product, check with your pharmacist or doctor before starting.

Pregnancy & Breastfeeding

Arabinoxylan & Pregnancy

Insufficient reliable information

Insufficient reliable information available; avoid using.

Arabinoxylan & Breastfeeding

Insufficient reliable information

Insufficient reliable information available; avoid using.

DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.

© 2026 Therapeutic Research Center

Pregnancy & lactation ratings: Natural Medicines, Therapeutic Research Center

References & further reading

The 8 references that drive our Arabinoxylan monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.

  1. Grasten S, Liukkonen K-H, Chrevatidis A, et al. Effects of wheat pentosan and inulin on the metabolic activity of fecal microbiota and on bowel function in healthy humans. Nutrition Res 2003;23:1503-14. DOI
  2. Lu ZX, Walker KZ, Muir JG, Mascara T, O'Dea K. Arabinoxylan fiber, a byproduct of wheat flour processing, reduces the postprandial glucose response in normoglycemic subjects. Am J Clin Nutr 2000;71(5):1123-1128.
  3. Lu ZX, Walker KZ, Muir JG, O'Dea K. Arabinoxylan fibre improves metabolic control in people with Type II diabetes. Eur J Clin Nutr 2004;58(4):621-8. PubMed
  4. Garcia AL, Otto B, Reich SC, et al. Arabinoxylan consumption decreases postprandial serum glucose, serum insulin and plasma total ghrelin response in subjects with impaired glucose tolerance. Eur J Clin Nutr 2007;61(3):334-41. PubMed
  5. Garcia AL, Steiniger J, Reich SC, et al. Arabinoxylan fibre consumption improved glucose metabolism, but did not affect serum adipokines in subjects with impaired glucose tolerance. Horm Metab Res 2006;38(11):761-766. PubMed
  6. François IE, Lescroart O, Veraverbeke WS, et al. Effects of a wheat bran extract containing arabinoxylan oligosaccharides on gastrointestinal health parameters in healthy adult human volunteers: a double-blind, randomised, placebo-controlled, cross-over t
  7. Schioldan AG, Gregersen S, Hald S, et al. Effects of a diet rich in arabinoxylan and resistant starch compared with a diet rich in refined carbohydrates on postprandial metabolism and features of the metabolic syndrome. Eur J Nutr. 2018 Mar;57(2):795-807. PubMed
  8. Scarpellini E, Deloose E, Vos R, et al, The effect of arabinoxylooligosaccharides on gastric sensory-motor function and nutrient tolerance in man. Neurogastroenterol Motil. 2016 Aug;28(8):1194-203. PubMed
Keep reading

This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

Brand directory

Brands that make products with Arabinoxylan

1 brand in our database make a supplement containing Arabinoxylan.

Product directory

Supplement products with Arabinoxylan

1 product in our database contain Arabinoxylan. Open any to see its full ingredient list and every drug interaction we check.

Pharmacist Counseling Corner

Arabinoxylan: Common Questions

What is Arabinoxylan used for, and does it work?
People use Arabinoxylan for a range of reasons, but according to the Natural Medicines database the current clinical evidence is insufficient to confirm it works for the specific conditions it has been studied for. See the graded list on this page, and talk to your pharmacist or doctor before relying on it for any condition.
Does Arabinoxylan interact with prescription medications?
Yes. We list 86 medications with a known interaction with Arabinoxylan. Use the checker above to see how Arabinoxylan interacts with a specific drug.
How are Arabinoxylan interactions rated?
Each interaction is graded major, moderate, or minor based on how clinically significant it is and the strength of the evidence behind it. Major interactions are the most serious and are best avoided, or used only under close professional supervision.
Is it safe to take Arabinoxylan with my medications?
It depends on the specific medication. Some combinations are fine, while others call for monitoring, timing changes, or should be avoided. Check your exact drug above and confirm with your pharmacist or doctor before starting, stopping, or changing anything.
Where does this Arabinoxylan interaction information come from?
Our interaction data is built on the Natural Medicines database — an evidence-graded reference for vitamins, herbs, and supplements — and is reviewed by licensed HelloPharmacist pharmacists, who may add clinical context.
What is Arabinoxylan used for?
People commonly use it as a prebiotic fiber for gut health and to support blood sugar, cholesterol, and immune function. The evidence for most of these uses is still limited.
Is Arabinoxylan safe to take?
It is generally well tolerated as a food-derived fiber, but long-term safety data are limited. The main issues are digestive side effects and possible reactions in people allergic to the source grain.
Can I take Arabinoxylan if I am pregnant or breastfeeding?
There is not enough reliable safety information for supplement doses during pregnancy or breastfeeding, so it is best to get fiber from normal foods and check with your doctor first.
Does Arabinoxylan contain gluten?
Some products are made from wheat and may contain gluten or grain proteins. If you have celiac disease or wheat allergy, look for a product confirmed to be gluten-free or choose a non-wheat source.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

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