Drug & supplement interaction

Anhydrous Crystalline Maltose + Repaglinide

Repaglinide brand names: Prandin, GlucoNorm.

Minor Interaction
Medically reviewed by · Updated February 2024
The bottom line Minor

Anhydrous Crystalline Maltose has a minor interaction with Repaglinide. Maltose, a disaccharide composed of two glucose molecules, has the potential to affect blood sugar levels similarly to table sugar (sucrose).

Read the full interaction report
SeverityMinor
LikelihoodProbable
EvidenceB
What do Severity, Likelihood & Evidence mean?
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Interaction report

Anhydrous Crystalline Maltose and Repaglinide

Here is the interaction we found between these two, with the evidence behind it.

Minor

Antidiabetes Drugs

Why this applies to Repaglinide

Repaglinide falls under Antidiabetes Drugs — the group Anhydrous Crystalline Maltose interacts with.

Maltose, a disaccharide composed of two glucose molecules, has the potential to affect blood sugar levels similarly to table sugar (sucrose). While maltose itself does not necessarily interact directly with antidiabetic drugs, its digestion into glucose can lead to elevated blood sugar levels, which may impact the effectiveness of antidiabetic medications. In terms of effects on blood sugar, maltose may lead to a more rapid increase in blood sugar levels compared to sucrose, as it is directly converted into glucose. Individuals with diabetes should monitor their blood sugar levels closely when consuming foods or beverages containing maltose to maintain proper glucose control.
Severity Minor Likelihood Probable Evidence B

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..

Dr. Brian Staiger, PharmD, BCPS
Dr. Brian Staiger explains PharmD, Clinical Pharmacist

Here's the simple version. Repaglinide (Prandin) works by nudging your pancreas to release more insulin so your blood sugar comes down, usually taken right before meals. Maltose lozenges are basically a sugar, and as you slowly dissolve them they break down into glucose, which can nudge your blood sugar up. So the two aren't fighting inside your liver or anything technical like that, they're just pulling in opposite directions on your glucose.

In practice this is a minor concern. A lozenge or two for dry mouth isn't likely to wreck your control, but if you use them often it's worth keeping an eye on your readings. If you notice your numbers creeping higher, mention it to your pharmacist or doctor before changing anything.

Contact Dr. Brian directly if you have additional questions on this interaction

What These Ratings Mean

Every interaction above is graded three ways — here’s the key to each label.

Severity how clinically significant the interaction is
Major

Clinically significant. Avoid the combination, or use only under close professional supervision.

Moderate

Usually worth avoiding or managing — may need monitoring, a dose change, or timing apart.

Minor

Generally not serious. Be aware of it and mention it to your pharmacist.

Likelihood how strong the evidence is that the interaction actually happens in people
  • LikelyWell-controlled human studies have demonstrated the likely existence of this interaction.
  • ProbableInteraction 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.
  • PossibleInteraction 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.
  • UnlikelyInteraction has been demonstrated in animal or in lab research but has been shown not to occur in humans.
Evidence the quality of the studies behind the rating (graded A–D)
  • AHigh-quality meta-analysis (quantitative systematic review).
  • BCase-control study.
  • CConsensus.
  • DAnecdotal evidence.

These ratings are for information only. Never start, stop, or otherwise change your therapy before speaking with your provider.

Keep it in perspective

Anhydrous Crystalline Maltose Also Interacts With Other Medications

Anhydrous Crystalline Maltose has 85 minor known drug interactions in our database — the Repaglinide one above is one of them. If you take anything else, check it against the full list below.

Minor 85 No known interaction 2,745 (incl. Repaglinide)
Taking anything else?

Check Another of Your Medications Against Anhydrous Crystalline Maltose

Covers the 2,830 medications we’ve checked against Anhydrous Crystalline Maltose. Pick one to open its full report.

Everything else you take

See Every Supplement That Interacts With Repaglinide

This page covers Anhydrous Crystalline Maltose only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Repaglinide page lists 256 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Siberian Cocklebur (major), Acai (moderate), African Wild Potato (moderate) and Agaricus Mushroom (moderate).

By severity: 2 major · 215 moderate · 39 minor.

From our pharmacist’s overview on the Repaglinide page

“Repaglinide (Prandin, GlucoNorm) is taken right before meals to drop blood sugar quickly, and that speed is exactly why this list deserves real respect. Nearly everything on it also acts on blood sugar, usually pushing it lower still and raising the odds of a hypoglycemic crash, though a handful, niacin among them, pull the other way a…”

Reviewed by 2 · Jul 18, 2026

Open the Repaglinide interaction page

How much people look this up

Where Anhydrous Crystalline Maltose and Repaglinide Sit Against Everything Else

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Supplement Anhydrous Crystalline Maltose
Steady interest

#1,242 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Repaglinide
Top 25%

#400 of 2,830 medications looked up here in the last 7 days

29 days ago today

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Supplement

About Anhydrous Crystalline Maltose

What is Anhydrous Crystalline Maltose?

Anhydrous Crystalline Maltose
  • Dry mouth (xerostomia)
  • Sjögren syndrome
  • Dry mouth from medications
  • Food stabilizer and texturizer

Anhydrous crystalline maltose is a starch-derived sugar (also called malt sugar) studied mainly as a slow-dissolving lozenge to ease dry mouth, including in people with Sjögren syndrome. Some studies suggest it may modestly improve saliva flow, but the overall evidence is limited. It appears generally well tolerated, but talk with your pharmacist or doctor before using it, especially if you have diabetes.

Read the full Anhydrous Crystalline Maltose monograph & all interactions
Medication

About Repaglinide

What Is Repaglinide Used For?

Brand names: Prandin, GlucoNorm

Repaglinide tablets are used to help control blood sugar in adults with type 2 diabetes, together with diet and exercise. It is not a substitute for healthy habits — it works best as part of a full diabetes management plan.

Repaglinide is not for type 1 diabetes or for treating diabetic ketoacidosis (a dangerous condition where the blood becomes too acidic due to lack of insulin).

See full Repaglinide drug information
Keep checking

Other Drugs & Anhydrous Crystalline Maltose

Browse every other medication we’ve checked against Anhydrous Crystalline Maltose — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major
0Moderate
85Minor
2,744No known interaction
85 Minor 2,744 No interaction
Minor

85 interactions

Showing 60 of 85 minor interactions — see all 85 on the Anhydrous Crystalline Maltose page.

No interaction 2,744 drugs checked — show the list

We also checked Anhydrous Crystalline Maltose against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 2,744 medications checked with no known interaction — see the full Anhydrous Crystalline Maltose list.

See the full Anhydrous Crystalline Maltose interactions page
See every supplement checked against Repaglinide, ranked by severity
Sources

Sources & How We Checked

Interaction details are evidence-graded and sourced from the Natural Medicines database. The medication overview comes from MedlinePlus.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

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

Keep exploring
Anhydrous Crystalline Maltose monograph › Uses, safety, and every drug interaction in one place Repaglinide supplement interactions › Every supplement checked against Repaglinide, ranked by severity Repaglinide drug information › The full plain-English guide to this medication Supplement interaction checker › Check any supplement or product against your medications Browse medications A–Z › Every drug we've checked against herbs & supplements Ask a pharmacist › Free, personal answer from our licensed team
Pharmacist Counseling Corner

Taking Anhydrous Crystalline Maltose and Repaglinide Together: Common Questions

Can you take Anhydrous Crystalline Maltose with Repaglinide?
There is only a minor interaction, which is usually not serious. Read the full details on this page and confirm with your pharmacist before combining them.
How serious is the Anhydrous Crystalline Maltose and Repaglinide interaction?
We rate it Minor. This interaction is generally not clinically significant, but it remains worth noting and discussing with your pharmacist.

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

Still Have a Question About Repaglinide and Anhydrous Crystalline Maltose?

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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.