Medication interaction hub

What Supplements Interact with Propantheline?

Propantheline brand names: Propanthel, Pro-Banthine. Every interaction below applies to the brands too.

46 Interactions 3 Major 32 Moderate 11 Minor
Curated & coded by · Clinical Pharmacist · Updated September 22, 2026

Drug–supplement interaction data sourced from Natural Medicines Pro, the licensed clinical database from TRC Healthcare / Therapeutic Research, with additional analysis by the HelloPharmacist Pharmacist Team. Our sources · Editorial policy

What is this page for?

One answer, for one medication: what supplements and herbal products interact with Propantheline? Every vitamin, herb, and supplement ingredient we’ve checked against it is on this page, ranked by severity, each linking to the full report for that exact pair.

This page covers supplement interactions only — to check Propantheline against your other medications, use the drug–drug interaction checker. Educational information from our licensed clinical databases, not medical advice. Our editorial policy

HelloPharmacist Bottom Line
Our Pharmacist Explains
What is this? The interaction data in the HelloPharmacist supplement database is licensed from Natural Medicines Pro by TRC Healthcare (Therapeutic Research). HelloPharmacist pharmacists often add our own analysis and context on top of that licensed data — such as this Bottom Line summary and the notes on individual interaction pages — and any such commentary is noted as ours.

Propantheline (Pro-Banthine) is an anticholinergic, a medicine that calms an overactive gut by blocking acetylcholine, and its supplement interactions warrant real caution rather than a passing glance. Of the 46 ingredients listed, 30 either stack onto its drying, gut-slowing action or work directly against it, and 17 can change how much of an oral dose gets absorbed. Three rate major: activated charcoal, which soaks up medications in the gut, plus henbane and scopolia, herbs carrying the same atropine-like compounds propantheline mimics.

The 32 moderate entries mostly repeat those patterns at lower intensity: additive herbs can amplify dry mouth, blurred vision, constipation, and a racing heart, while acetylcholine-boosting ones may cancel the relief you take the drug for. Fibers and gums are manageable if spaced well apart from your dose. The three major pairings are where to focus; most of the moderates and the 11 minors come down to timing and to noticing the drug's familiar side effects arriving stronger.

— , Clinical Pharmacist · July 18, 2026

Major 3 Moderate 32 Minor 11 No known interaction 1,406

This box checks one ingredient at a time (like turmeric or magnesium). Taking a supplement product with a whole label of ingredients? Search the product instead — we check every ingredient on it ↓

Top Ingredient Interactions

Propantheline: Top Interactions at a Glance

The most significant Propantheline supplement & herbal interactions, colored by severity. Tap any ingredient to open the full report for that pair.

Showing the 12 highest-ranked of 46 interacting ingredients — plus 1,406 more checked with no known interaction. See the complete ranked list.

Start here

The Major Interactions to Know About

The most clinically significant Propantheline + supplement combinations in our database, best-documented first. Open any card for the full report.

Major Likelihood Probable Activated Charcoal + Propanthelinei

Activated charcoal reduces systemic exposure to many drugs, including those that undergo enterohepatic recirculation, regardless of the route of administration.

Read the full interaction Major Likelihood Probable Henbane + Propanthelinei

Concomitant use of henbane can have additive anticholinergic effects and adverse effects with amantadine, antihistamines, atropine, belladonna alkaloids, hyoscy...

Read the full interaction Major Likelihood Probable Scopolia + Propanthelinei

The alkaloid constituents of scopolia, including hyoscyamine, scopolamine, and atropine, could potentiate the effects and adverse effects of anticholinergic dru...

Read the full interaction
The complete list

Every Supplement Checked Against Propantheline

All 1,452 ingredients in our database, ranked by severity — 46 with a Propantheline interaction on file and 1,406 with none found. Filter by severity or search any ingredient; hover the for what each ingredient is.

Looking for an interaction with a specific supplement product? Search products instead ↓

Straight answers

Can You Take It With Propantheline?

One-line answers, one card per combination — scroll through today’s 20 and tap any card for the full report. A different set rotates in daily until every combination has had its turn.

Can you take Boxwood with Propantheline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Evidence from in vitro research suggests that boxwood extract can inhibit acetylcholinesterase activity.

Full Boxwood + Propantheline answer

Can you take Datura Wrightii with Propantheline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Datura wrightii contains atropine and scopolamine, as well as other tropane alkaloids with anticholinergic activity.

Full Datura Wrightii + Propantheline answer

Can you take Activated Charcoal with Propantheline?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Activated charcoal reduces systemic exposure to many drugs, including those that undergo enterohepatic recirculation, regardless of the rout...

Full Activated Charcoal + Propantheline answer

Can you take Henbane with Propantheline?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Concomitant use of henbane can have additive anticholinergic effects and adverse effects with amantadine, antihistamines, atropine, belladon...

Full Henbane + Propantheline answer

Can you take Scopolia with Propantheline?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. The alkaloid constituents of scopolia, including hyoscyamine, scopolamine, and atropine, could potentiate the effects and adverse effects of...

Full Scopolia + Propantheline answer

Can you take Belladonna with Propantheline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Belladonna may increase the risk of adverse effects when used concomitantly with anticholinergic drugs.

Full Belladonna + Propantheline answer

Can you take Betel Nut with Propantheline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. In vitro and animal research suggests that betel nut extract can inhibit acetylcholinesterase activity.

Full Betel Nut + Propantheline answer

Can you take Coffee Charcoal with Propantheline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Coffee charcoal can reduce the absorption of orally administered drugs and should be separated from oral drug administration by at least two...

Full Coffee Charcoal + Propantheline answer

Can you take European Mandrake with Propantheline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concurrent use might increase absorption of some drugs because of inhibited gastrointestinal (GI) motility caused by European...

Full European Mandrake + Propantheline answer

Can you take Glucomannan with Propantheline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, glucomannan may decrease absorption of drugs taken orally.

Full Glucomannan + Propantheline answer

Can you take Angel's Trumpet with Propantheline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Concomitant use may increase anticholinergic effects and adverse effects.

Full Angel's Trumpet + Propantheline answer

Can you take Bacopa with Propantheline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concurrent use might decrease the effectiveness of both agents.

Full Bacopa + Propantheline answer

Can you take Calamus with Propantheline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concurrent use of anticholinergic drugs and calamus might decrease the effectiveness of the anticholinergic drug.

Full Calamus + Propantheline answer

Can you take Clubmoss with Propantheline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Evidence from in vitro research suggests that clubmoss extract can inhibit acetylcholinesterase activity.

Full Clubmoss + Propantheline answer

Can you take Corkwood Tree with Propantheline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, corkwood tree might increase the risk of adverse anticholinergic effects when taken with anticholinergic drugs.

Full Corkwood Tree + Propantheline answer

Can you take European Barberry with Propantheline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking European barberry with anticholinergic drugs might cause additive effects.

Full European Barberry + Propantheline answer

Can you take Guar Gum with Propantheline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Guar gum might reduce the absorption of some oral drugs, potentially decreasing their effectiveness.

Full Guar Gum + Propantheline answer

Can you take Gum Arabic with Propantheline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, gum arabic can alter the absorption of oral drugs due to its fiber content.

Full Gum Arabic + Propantheline answer

Can you take Huperzine A with Propantheline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, huperzine A might decrease the effects of anticholinergic drugs.

Full Huperzine A + Propantheline answer

Can you take Iboga with Propantheline?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, iboga might decrease the effectiveness of anticholinergic drugs.

Full Iboga + Propantheline answer
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 entry links to a full report with the clinical detail, likelihood, evidence level, and citations for that exact combination.
  • Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

How Does Our Interaction Checker Work?

Behind every verdict on this page is a category system. Our source database doesn’t document supplement interactions drug-by-drug — it documents them against groups of medications that behave the same way (for example, “drugs processed by the CYP3A4 liver enzyme” or “blood-thinning medications”).

So the check works in three steps: (1) Propantheline is classified into the pharmacology categories it belongs to, (2) every supplement interaction documented against any of those categories is inherited by Propantheline, and (3) each ingredient keeps its own severity, likelihood, and evidence grades from the underlying record. That’s why one supplement can carry several records for one drug — it may interact through more than one category.

Propantheline sits in 2 interaction categories. Open any one to see what the group means:

Anticholinergic Drugs 30 ingredients

A pharmacology grouping from our source database: medications in this group share a property that certain supplements are known to interact with, so an interaction documented for the group applies to every drug in it.

30 of the supplement ingredients on this page reach Propantheline through this category.

Oral Drugs 17 ingredients

A pharmacology grouping from our source database: medications in this group share a property that certain supplements are known to interact with, so an interaction documented for the group applies to every drug in it.

17 of the supplement ingredients on this page reach Propantheline through this category.

About Propantheline

Propantheline is a prescription medication also sold under the brand names Propanthel, Pro-Banthine. Because supplements and herbal products can change how medications work — or how strongly — every ingredient on this page has been checked against it in our interaction database.

Generic name: Propantheline  ·  Brand names: Propanthel, Pro-Banthine.

See the full Propantheline drug information
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Take a Supplement Product? Check the Whole Bottle Against Propantheline

Most supplements are combination products — and the interaction may come from an ingredient you didn’t buy it for. Search any product below (or scan its label) and we’ll check every ingredient on it against Propantheline.

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Pharmacist Counseling Corner

Propantheline & Supplements: Common Questions

What supplements interact with Propantheline?
In our interaction database, 46 supplement and herbal ingredients have an interaction with Propantheline on file — 3 rated major, 32 moderate, and 11 minor. That number sounds scarier than it is: severity matters far more than the count, which is why the list on this page is ranked instead of alphabetical. Start at the top. The highest-ranked right now: Activated Charcoal, Henbane, Scopolia.
Which Propantheline supplement interactions are the most serious?
Focus on the major group: Activated Charcoal, Henbane and Scopolia. A major rating means the combination can be clinically significant, not that harm is guaranteed — but it's exactly the kind of thing to run past your pharmacist before your next dose, not after. Jump to the ranked list.
Can I take vitamins or supplements while on Propantheline?
That depends entirely on which supplement. The honest answer for Propantheline is in the ranked list above — and if what you take is a combination product with a dozen ingredients, don't check them one by one: photograph the label with our scanner and we'll check the whole thing at once. Try the label scanner or the interaction checker.
Do brands like Propanthel have the same supplement interactions as Propantheline?
Yes — Propanthel, Pro-Banthine all contain Propantheline, so everything on this page applies to them equally. Interactions belong to the active drug, never to the brand on the box; the same is true of generics.
Where do these interaction ratings come from?
Every rating comes from the Natural Medicines database — the same evidence-graded reference pharmacists and hospitals use — and each interaction carries three separate grades: severity (how bad it can be), likelihood (how well it's documented in studies and case reports), and an evidence level. Our pharmacists review the content; we never let an AI decide an interaction. See how to read the ratings and our editorial policy.
What about Propantheline and my other medications?
This page covers Propantheline against supplements and herbal ingredients. Checking Propantheline against your other prescription or OTC medications is a different tool — our drug interaction checker covers that side. Head to the drug–drug interaction checker, or read the full Propantheline drug information.

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

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Sourcing

Where This Data Comes From — and Why You Can Trust It

🧪 Licensed clinical database

Every interaction verdict on this page comes from Natural Medicines Pro (TRC Healthcare / Therapeutic Research) — the same evidence-graded reference used by pharmacists and hospitals. We license this data directly; we do not scrape it, and no AI invents an interaction.

🧑‍⚕️ Pharmacist review

This page is curated and coded by , Clinical Pharmacist, with additional analysis by the HelloPharmacist Pharmacist Team. Editorial commentary is ours; the licensed interaction records are shown as sourced.

🔄 Kept current

Our interaction database refreshes on a weekly cycle, and this page re-checks the live database every time it’s rebuilt — what you see reflects the database as of September 22, 2026.

🔍 Full transparency

How every dataset on this site is sourced, licensed, and updated is documented publicly: our data sources · editorial policy · how we use AI.

Educational information, not medical advice. An interaction being on file does not mean it will happen to you — and absence of one is not proof of safety. Never start or stop a medication or supplement without talking to your pharmacist or doctor.