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Dietary supplement

Marshmallow Root 960 mg Ingredients & Drug Interactions

by Nature's Way

Capsule Category: Botanical
Most serious interaction: Moderate
The interaction bottom line Most serious interaction: Moderate

Marshmallow Root 960 mg is a dietary supplement by Nature's Way with 1 active ingredient. Its ingredients are commonly taken for cough and sore throat, dry mouth and throat irritation, digestive upset and heartburn.Based on those ingredients, 2,040 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Marshmallow. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of Marshmallow Root 960 mg by Nature's Way

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains one active ingredient: marshmallow root at 960 mg per capsule. Marshmallow is a plant used traditionally to soothe mucous membranes and support digestive and respiratory health.

The capsule itself is made from hypromellose, an inert ingredient that holds the powder together.

Does it work?

Couldn't assess
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not assessable

We hold no graded evidence for this product's ingredients for its stated purpose.

Why this rating?
  • The label markets this product for: Traditionally used to soothe digestion.
  • We looked for evidence on: Gastric inflammation, Mucosal irritation, GI comfort.
  • Our graded evidence for these ingredients doesn't cover that particular purpose.

The evidence we hold does not establish that marshmallow root is effective for any condition. It has been used traditionally for vaginal yeast infections, diarrhea, venous leg ulcers, eczema, and respiratory infections, but reliable human trial data are insufficient to confirm it works for any of these.

The evidence, ingredient by ingredient Marshmallow

How safe is it?

Some data gaps
Safety Information · database check
Some gaps

Safety data exists for these ingredients, but with some important gaps.

Why this rating?
  • We hold adverse-effect (side-effect) data for 0 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Marshmallow root is generally well tolerated for short-term use, though human safety data are limited — we don't have a lot of long-term study information. There aren't enough safety data to recommend it during pregnancy or while breastfeeding; the facts advise against use in both cases.

If you're pregnant, nursing, or planning to be, talk with your doctor or pharmacist before taking this supplement.

Side effects, ingredient by ingredient Marshmallow

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Marshmallow.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; lithium.
  • For scale: 2,041 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

If you take lithium, check with your pharmacist or doctor first — marshmallow may raise its level in your blood. Also flag any blood thinners (anticoagulants) or antiplatelet drugs, and take marshmallow well apart from your other oral medications to avoid reducing how much of them you absorb.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with no assessable stated purpose. Moderate medication interactions have been identified, and some safety-information gaps remain.

Marshmallow root is a traditional herbal remedy that appears well tolerated in the short term, but there's little evidence it works for any specific condition. The main caution is lithium — if you take it, this supplement isn't for you without your doctor's sign-off.

Everyone else should space it 30–60 minutes away from their other oral medications to avoid absorption problems.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Apr 24, 2025.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Marshmallow Root 960 mg, straight from the product label.

Brand Nature's Way
Barcode (UPC) 033674148006
Net contents 100 Vegan Capsule(s)
Market status On market
Date entered into DSLD Apr 24, 2025
DSLD ID 327994
Product type Botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Vegan, Vegetarian, Adult (18 - 50 Years), Gluten Free, Dairy Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Marshmallow Root 960 mg by Nature's Way, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
2 Capsule(s)
Maximum serving Sizes:
2 Capsule(s)
Servings per container
50
UPC/BARCODE
033674148006
IngredientAmount% DV
Marshmallow960 mg--

Other ingredients: Hypromellose

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formulation

Traditionally used to soothe digestion

Marshmallow is native to Europe, western Asia, and northeastern Africa Made with the quality you trust

Bottled and tested in the USA

Vegan Gelatin Free

Vegan Gelatin Free

Traditional digestive support Plant Powered

Non GMO Project Verified nongmoproject.org

Gluten Free. No salt, wheat, corn, soy, dairy, gelatin, or artificial colors, flavors, or preservatives.

General Statements

Botanicals are sourced where they grow best

Explore more product at naturesway.com

Questions? 1-800-962-8873 / nautresway.com Bottle made from 50% post-consumer recycled plastic

Brand IP Statement(s)

Copyright 2023 Nature's Way Brands, LLC

Seals/Symbols

Vegan Gelatin Free

Non GMO Project Verified nongmoproject.org

FDA Disclaimer Statement

These statements have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Formula

Marshmallow root 960 mg per 2-capsule serving

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Recommendation: Adults take 2 capsules twice daily with food or water.

Precautions

If you are pregnant, nursing, or taking any medications, consult a healthcare professional before use.

Keep out of reach of children.

Safety sealed with inner seal. Do not use if seal is broken or missing.

Storage

Keep tightly closed. Store at room temperature. Avoid excessive heat and direct sunlight.

See for yourself

Marshmallow Root 960 mg by Nature's Way label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

What’s inside

The Ingredients in Marshmallow Root 960 mg by Nature's Way

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size2 Capsule(s) Dosage formCapsule Servings per container50 Amounts shown are per serving.

Marshmallow

Interacts with
2,040 drugs
960 mg per serving

Marshmallow root is a traditional herb rich in soothing, gel-like fibers called mucilage, which is why it has long been used for coughs, sore throats,...

Marshmallow monograph & interactions

Other (inactive) ingredients: Hypromellose. These complete the product’s ingredient list but are not active constituents.

Interaction report

Marshmallow Root 960 mg by Nature's Way Drug Interactions

Want to check YOUR meds against Marshmallow Root 960 mg?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

Go to the checker
2,040Drugs
1 Moderate 2,039 Minor

Ingredients driving the most interactions

Marshmallow 2,040

Each ingredient & the kinds of drugs it affects

For each ingredient in Marshmallow Root 960 mg with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Marshmallow3 drug types · 2,040 drugs

Lithium

Theoretically, due to potential diuretic effects, marshmallow might reduce excretion and increase levels of lithium.
Marshmallow is thought to have diuretic properties. To avoid lithium toxicity, the dose of lithium might need to be decreased when used with marshmallow.

Likelihood Probable Evidence D
Anticoagulant/Antiplatelet Drugs

Theoretically, marshmallow flower might have antiplatelet effects.
Animal research suggests that marshmallow flower extract has antiplatelet effects. However, the root and leaf of marshmallow, not the flower, are the plant parts most commonly found in dietary supplements. Theoretically, use of marshmallow flower with anticoagulant/antiplatelet drugs can have additive effects, and might increase the risk for bleeding in some patients.

Likelihood Unlikely Evidence D
Oral Drugs

Theoretically, mucilage in marshmallow might impair absorption of oral drugs.
Marshmallow contains mucilage which can affect oral drug absorption. To avoid changes in absorption, take marshmallow 30-60 minutes after oral medications.

Likelihood Possible Evidence D
The maker

Brand information

Manufacturer and brand details for Marshmallow Root 960 mg, from the product label.

Nature's Way

See all Nature's Way products
Name
Nature's Way Brands, LLC
City
Green Bay
State
WI
ZipCode
54311
Phone Number
1-800-962-8873
Web Address
naturesway.com
Pharmacist Counseling Corner

Marshmallow Root 960 mg by Nature's Way: Common Questions

Does Marshmallow Root 960 mg by Nature's Way interact with any medications?
Yes. Based on its ingredients, Marshmallow Root 960 mg has a known interaction with 2,040 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Marshmallow Root 960 mg contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take this while I'm pregnant or breastfeeding?
The safety data aren't there to say it's okay. Both pregnancy and breastfeeding are times to skip marshmallow root unless your doctor tells you otherwise. Chat with your OB or pharmacist if you're wondering whether it's right for you.
What is marshmallow actually used for?
Traditionally, people have used it to soothe mucous membranes and support digestive and respiratory comfort. However, we don't have enough reliable human evidence to confirm it works for any specific condition — that's why the effectiveness ratings are inconclusive.
How should I take this to avoid problems with my other medications?
Space marshmallow root 30–60 minutes apart from your oral medications. The mucilage in it can interfere with how your body absorbs your drugs, so that gap helps keep them working as intended.
Is marshmallow safe for long-term use?
It's generally well tolerated for short-term use, but human long-term safety data are limited. If you're thinking of taking it regularly for more than a few weeks, run that plan by your pharmacist or doctor.
Does this product have any side effects I should know about?
No adverse effects are documented in our data, but again, human safety information is limited. If you notice anything unusual after starting it, let your pharmacist know.

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

Not sure if Marshmallow Root 960 mg is safe with your meds?

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Ask a pharmacist

Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Marshmallow Root 960 mg label
Go deeper

The Full Monographs Behind Marshmallow Root 960 mg’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Sources

Sources & How We Checked

Marshmallow Root 960 mg's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

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

The 5 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Marshmallow 5 references
  1. Monographs on the medicinal uses of plant drugs. Exeter, UK: European Scientific Co-op Phytother, 1997.
  2. Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
  3. McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
  4. Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
  5. Hage-Sleiman R, Mroueh M, Daher CF. Pharmacological evaluation of aqueous extract of Althaea officinalis flower grown in Lebanon. Pharm Biol 2011;49(3):327-33.

See these in context on the Marshmallow monograph →

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

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