Medication interaction hub

What Supplements Interact with Mannitol?

Mannitol brand names: Osmitrol, Bronchitol. Every interaction below applies to the brands too.

200 Interactions 7 Major 169 Moderate 24 Minor

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

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.

American hellebore tops my worry list for anyone on mannitol (Osmitrol, Bronchitol), an osmotic diuretic used to draw fluid off the brain or, when inhaled, to clear mucus in cystic fibrosis. The plant's alkaloids drop blood pressure and slow the heart, a dangerous match for a drug that already shifts fluid and pressure quickly. Seven of the 200 ingredients here rate major, and those seven are the ones to understand first; most of the 169 moderate entries add to or fight mannitol's pressure and fluid effects.

Potassium loss ties several of the majors together. Oleander grows more toxic to the heart as potassium falls, yellow dock deepens the loss, and lithium can climb when a diuretic slows its exit. A smaller group of seventeen, activated charcoal among them, blunts drugs taken by mouth, so keep those far from any swallowed dose. Only the 24 minor entries qualify as low stakes.

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 ↓

Most Viewed Ingredient Interactions

Mannitol: Top Interactions at a Glance

The Mannitol supplement & herbal interactions people checked most in the last 24 hours, colored by severity. Tap any ingredient to open the full report for that pair.

Showing the 12 highest-ranked of 200 interacting ingredients — plus 1,252 more checked with no known interaction. See the complete ranked list.

The complete list

Every Supplement Checked Against Mannitol

All 1,452 ingredients in our database, ranked by severity — 200 with a Mannitol interaction on file and 1,252 with none found. Filter by severity or search any ingredient; hover the for what each ingredient is.

Straight answers

Can You Take It With Mannitol?

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 White Horehound with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Evidence from animal research suggests that taking white horehound extract lowers blood pressure.

Full White Horehound + Mannitol answer

Can you take Goldenrod with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, goldenrod might increase the effects and adverse effects of diuretic drugs.

Full Goldenrod + Mannitol answer

Can you take Yohimbe with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, yohimbe might reduce the effects of antihypertensive drugs.

Full Yohimbe + Mannitol answer

Can you take Quercetin with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking quercetin with antihypertensive drugs might increase the risk of hypotension.

Full Quercetin + Mannitol answer

Can you take Korean Pine with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Animal research shows that Korean pine nut oil reduces blood pressure in spontaneously hypertensive rats.

Full Korean Pine + Mannitol answer

Can you take Caffeine with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, using caffeine with diuretic drugs might increase the risk of hypokalemia.

Full Caffeine + Mannitol answer

Can you take Calamus with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking calamus with other antihypertensive medications might increase the risk of hypotension.

Full Calamus + Mannitol answer

Can you take Calotropis with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of calotropis and potassium depleting diuretics can increase the risk of cardiac glycoside toxicity due to po...

Full Calotropis + Mannitol answer

Can you take Canadian Hemp with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Canadian hemp contains cardiac glycosides.

Full Canadian Hemp + Mannitol answer

Can you take Cannabigerol (cbg) with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking cannabigerol with antihypertensive drugs might increase the risk of hypotension.

Full Cannabigerol (cbg) + Mannitol answer

Can you take Caprylic Acid with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, caprylic acid might increase the risk of hypotension when used with antihypertensive drugs.

Full Caprylic Acid + Mannitol answer

Can you take Caraway with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, caraway might increase the risk of hypokalemia when used with diuretics that deplete potassium.

Full Caraway + Mannitol answer

Can you take Cascara Sagrada with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, cascara sagrada might increase the risk of hypokalemia when taken with diuretic drugs.

Full Cascara Sagrada + Mannitol answer

Can you take Castor Bean with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, castor oil might increase the risk of hypokalemia when taken with diuretic drugs.

Full Castor Bean + Mannitol answer

Can you take Catechu with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use with antihypertensive drugs might increase the risk of hypotension.

Full Catechu + Mannitol answer

Can you take Cesium with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking cesium concomitantly with other drugs that deplete potassium, such as diuretics, may increase the risk of hypokalemia.

Full Cesium + Mannitol answer

Can you take Ceylon Cinnamon with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, Ceylon cinnamon might have additive effects with antihypertensive drugs and increase the risk of hypotension.

Full Ceylon Cinnamon + Mannitol answer

Can you take Chanca Piedra with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of chanca piedra with diuretics might increase diuresis.

Full Chanca Piedra + Mannitol answer

Can you take Chelation Therapy Products with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Concomitant use of ethylenediamine tetraacetic acid (EDTA) and potassium-depleting diuretics might increase the risk for hypokalemia.

Full Chelation Therapy Products + Mannitol answer

Can you take Cocoa with Mannitol?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking cocoa with antihypertensive drugs might increase the risk of hypotension.

Full Cocoa + Mannitol 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) Mannitol is classified into the pharmacology categories it belongs to, (2) every supplement interaction documented against any of those categories is inherited by Mannitol, 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.

Mannitol sits in 3 interaction categories. Open any one to see what the group means:

Antihypertensive Drugs 119 ingredients

Blood-pressure-lowering medications. Supplements that lower (or raise) blood pressure can amplify or fight these drugs.

119 of the supplement ingredients on this page reach Mannitol through this category.

Diuretic Drugs 73 ingredients

Medications that increase fluid loss. Supplements affecting fluid or electrolytes (like potassium) can interact with them.

73 of the supplement ingredients on this page reach Mannitol 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 Mannitol through this category.

Related: does Mannitol deplete any nutrients?

Mannitol has 7 reported nutrient associations in the research literature — see the Mannitol nutrient depletion report.

Check a real product

Take a Supplement Product? Check the Whole Bottle Against Mannitol

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 Mannitol.

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Grounded search over our product catalog — every verdict comes from our interaction database, never AI guesswork. How we use AI

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Products that contain Mannitol-interacting ingredients

Real supplements from the NIH label database that contain the top interacting ingredients on this page — each one is worth a full label check before combining with Mannitol.

Pharmacist Counseling Corner

Mannitol & Supplements: Common Questions

What supplements interact with Mannitol?
In our interaction database, 200 supplement and herbal ingredients have an interaction with Mannitol on file — 7 rated major, 169 moderate, and 24 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: American Hellebore, Tyramine, Activated Charcoal.
Which Mannitol supplement interactions are the most serious?
The 7 major-rated combinations — led by American Hellebore, Tyramine, Activated Charcoal, American Mistletoe and Lithium — deserve real caution: these are the ones generally best avoided, or used only with your prescriber watching. If you take any of them today, don't panic and don't stop anything abruptly — call your pharmacist first. Jump to the ranked list.
Can I take vitamins or supplements while on Mannitol?
That depends entirely on which supplement. The honest answer for Mannitol 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 Osmitrol have the same supplement interactions as Mannitol?
Yes — Osmitrol, Bronchitol all contain Mannitol, 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.
Does Mannitol deplete any vitamins or nutrients?
It might — Mannitol has 7 reported nutrient-depletion associations in the research literature, which is a different question from interactions: instead of a supplement changing the drug, the drug may lower a nutrient over time. See the Mannitol nutrient depletion report for the specifics and what to discuss with your pharmacist.
What about Mannitol and my other medications?
This page covers Mannitol against supplements and herbal ingredients. Checking Mannitol 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.

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

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 October 5, 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.