Interactions on record — worth a quick check against your medications. Check your meds →
Dietary supplement

Marshmallow Root Ingredients & Drug Interactions

by Gaia Herbs

Marshmallow Root label
See full label image
Liquid Category: Botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Marshmallow Root against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Moderate

Marshmallow Root is a dietary supplement by Gaia Herbs 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 organic Marshmallow extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

Jump to a section

Check Your Meds Against Marshmallow Root by Gaia Herbs

Ask about any prescription or over-the-counter medication and we check it for interactions with Marshmallow Root by Gaia Herbs — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
Prefer a human? Send your question to our licensed pharmacists — free, answered by email within 24 hours.

HelloPharmacist Scorecard of Marshmallow Root by Gaia Herbs

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

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Aug 20, 2026

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: organic marshmallow extract. The liquid form also holds water and organic alcohol as inactive ingredients to deliver and preserve the extract.

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

This is a single-ingredient Marshmallow product and its label doesn't state a use — see Marshmallow's own graded uses on its monograph.

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.

The effectiveness data we hold for marshmallow root shows insufficient reliable evidence to rate it for vaginal yeast infection (candidiasis), diarrhea, venous leg ulcers, eczema (atopic dermatitis), or respiratory tract infections. In other words, we don't have enough solid evidence to say whether it works for these uses.

If you're thinking about using it for a specific condition, talk it over with your doctor or pharmacist so they can help you weigh what's known.

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 is generally well tolerated for short-term use, though human safety data are limited—meaning we don't have a lot of long-term or large-scale studies yet. During pregnancy, there isn't enough reliable safety information to know either way, so it's best avoided unless your doctor or pharmacist advises otherwise.

The same applies to breastfeeding: the safety data aren't solid enough, so discuss it with your healthcare provider if you're nursing or planning to.

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 for a mood disorder, check with your doctor or pharmacist before starting this product—marshmallow may increase lithium levels. Also double-check any blood thinners (anticoagulants) or antiplatelet drugs you're on.

If you're on other oral medications, take marshmallow 30 to 60 minutes after them to avoid absorption problems.

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 may be worth considering if you're looking into it for throat or digestive comfort, but the evidence we hold doesn't establish whether it works. If you take lithium, blood thinners, or other oral medications, you'll want to check with your doctor or pharmacist first—timing matters, and your dose may need tweaking.

Pregnant or breastfeeding? Talk it over with your provider before you start.

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 Dec 26, 2020.

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, straight from the product label.

Brand Gaia Herbs
Barcode (UPC) 751063307307
Net contents 1 Fluid Ounce(s); 30 mL
Market status On market
Date entered into DSLD Dec 26, 2020
DSLD ID 240863
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Women (not pregnant or lactating), Organic
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 by Gaia Herbs, 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:
1 mL
Maximum serving Sizes:
1.67 mL
Servings per container
18
UPC/BARCODE
751063307307
IngredientAmount% DV
organic Marshmallow extract1.67 mL--

Other ingredients: Water, organic Alcohol

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.
General Statements

Enter ID# at meetyourherbs.com

Facebook Instagram @gaiaherbs

Suggested/Recommended/Usage/Directions

Suggested Use Adults take 30-50 drops in a small amount of water 3 times daily between meals. Shake well before use.

Precautions

Not for use during pregnancy or lactation. If you have a medical condition or take medications, please consult with your doctor before use.

Store away from children.

Use only as directed on label. Safety-sealed at neck of bottle.

FDA Disclaimer Statement

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

Seals/Symbols

USDA Organic

Formulation

Digestive support Supports a healthy GI tract

Certified Organic by Oregon Tilth

FDA Statement of Identity

Herbal Supplement

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Marshmallow Root by Gaia Herbs label

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

Marshmallow Root label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Marshmallow Root by Gaia Herbs

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

Serving size1 mL Dosage formLiquid Servings per container18 Amounts shown are per serving.

Organic Marshmallow extract

Interacts with
2,040 drugs
1.67 mL 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,...

Organic Marshmallow extract monograph & interactions

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

Interaction report

Marshmallow Root by Gaia Herbs Drug Interactions

Want to check YOUR meds against Marshmallow Root?

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

organic Marshmallow extract 2,040

Individual Drug Interactions

The ingredients in Marshmallow Root interact with 2,040 drugs. Click any drug to see the details.

1 of the 1 ingredient in Marshmallow Root interact with drugs. Each result below shows which ingredient is responsible. organic Marshmallow extract

Each ingredient & the kinds of drugs it affects

For each ingredient in Marshmallow Root 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.

organic Marshmallow extract3 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
organic Marshmallow extract full monograph & interactions
The maker

Brand information

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

Gaia Herbs

See all Gaia Herbs products
Name
Gaia Herbs, Inc.
Street Address
101 Gaia Herbs Drive
City
Brevard
State
NC
ZipCode
28712
Web Address
www.gaiaherbs.com
Pharmacist Counseling Corner

Marshmallow Root by Gaia Herbs: Common Questions

Does Marshmallow Root by Gaia Herbs interact with any medications?
Yes. Based on its ingredients, Marshmallow Root 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 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 on other medications?
It depends on which drugs you're taking. Marshmallow can slow how your body absorbs oral medications, so space them 30 to 60 minutes apart. Lithium and blood thinners need special attention—check with your doctor or pharmacist before you combine them with this product.
Is marshmallow root safe during pregnancy?
There isn't enough reliable safety information to know either way during pregnancy, so it's best avoided. Talk with your doctor or pharmacist about your individual situation and whether this product is right for you.
Is it safe to breastfeed while taking marshmallow root?
The safety data aren't solid enough to say it's safe while breastfeeding. Discuss it with your doctor or pharmacist before you take it, so you can make the best choice for you and your baby.
Does marshmallow root actually work for anything?
The evidence we hold for marshmallow root shows insufficient data to rate whether it works for vaginal yeast infection, diarrhea, leg ulcers, eczema, or respiratory infections. Talk with your doctor about whether it might help your specific needs and what the current evidence says.
How long can I safely take this?
Marshmallow is generally well tolerated for short-term use, but human safety data are limited—we don't have much information on how safe it is long-term. If you're thinking of taking it regularly or for a long time, check with your doctor or pharmacist first.
What's in this liquid besides the marshmallow?
The product contains water and organic alcohol to deliver and preserve the marshmallow extract. These are inactive ingredients used as a base for the liquid form.

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

Not sure if Marshmallow Root is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

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 label
Go deeper

The Full Monographs Behind Marshmallow Root’s Ingredients

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

Herb & supplement monograph

Marshmallow

Interacts with 2,040 drugs

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, and stomach irritation. Evidence for th...

Read the full Marshmallow monograph →
Sources

Sources & How We Checked

Marshmallow Root'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

Keep exploring
Supplement interaction checker › Check any supplement or product against your medications Drug–drug interactions › Check two or more of your medications against each other Browse medications A–Z › Every drug we've checked against herbs & supplements NDC & pricing lookup › Find a drug’s NDCs, packaging and costs Ask a pharmacist › Free, personal answer from our licensed team