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Dietary supplement

Mullein Ingredients & Drug Interactions

by Alvita

Mullein label
See full label image
Other (e.g. Tea Bag) Category: Botanical
Most serious interaction: Minor
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Mullein 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: Minor

Mullein is a dietary supplement by Alvita with 1 active ingredient. Its ingredients are commonly taken for cough and chest congestion, sore throat, bronchitis and respiratory irritation.Based on those ingredients, 122 medications have a known interaction with it, the most serious rated minor. The ingredients most likely to interact are Mullein. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Mullein by Alvita

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

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HelloPharmacist Scorecard of Mullein by Alvita

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 27, 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.

Alvita Mullein tea contains one active ingredient: mullein leaf. It's brewed as a tea bag and contains no other inactive ingredients listed.

Does it work?

Not established
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 established

The graded evidence we hold for these ingredients covers different conditions than the ones this product is marketed for, so there's no established rating for its stated use — see Mullein's own graded uses on its monograph.

Why this rating?
  • The label markets this product for: traditionally soothe respiratory system.
  • We looked for evidence on: Asthma, Bronchitis, Cough, Influenza, Pneumonia, upper respiratory tract infection — and 1 related terms.
  • The closest evidence on file: Mullein is rated "Insufficient Reliable Evidence To Rate" for Bronchitis (Natural Medicines).
  • Also on file: Mullein is rated "Insufficient Reliable Evidence To Rate" for Asthma, Cough, Influenza, Pneumonia.

The evidence for what mullein does isn't established in the data we hold. Our records show insufficient reliable evidence to rate it for bronchitis, asthma, cough, diarrhea, or migraine headache.

That doesn't mean it doesn't work — it means the studies aren't there yet to say either way.

The evidence, ingredient by ingredient Mullein

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 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.

Mullein is generally well tolerated for short-term use, though human safety data are limited. A small number of case reports have described a skin rash (dermatitis) after direct contact with the whole plant or from inhaling plant dust — one person who had the rash also reacted to other plants on skin patch testing.

The safety data advise against using mullein during pregnancy or while breastfeeding, as there isn't enough information to know it's safe in either situation. Talk with your doctor or pharmacist about whether it's right for you if you're pregnant, planning to become pregnant, or nursing.

Side effects, ingredient by ingredient Mullein

Meds to double-check

Minor interactions only
Known Interaction Concern · database check
Minor only

Only Minor-severity interactions are documented for these ingredients.

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Mullein.
  • The most serious interaction on file is rated Minor.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs.
  • For scale: 122 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.

Before taking Alvita Mullein, check your list of blood thinners (anticoagulants) and antiplatelet drugs with your doctor or pharmacist. The mullein shows mild blood-thinning effects in lab studies, and combining it with these medications could affect how your blood clots.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with no established evidence rating for its marketed use. Only minor medication interactions are documented, and safety information is well characterized.

Alvita Mullein might appeal to you if you're interested in herbal support for cough or respiratory comfort, but the evidence for how well it works isn't established yet. If you take any blood thinner or antiplatelet medication, check your exact drugs with your doctor or pharmacist before starting.

Pregnant or breastfeeding people should avoid it — the safety data aren't there.

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 Jul 21, 2022.

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 Mullein, straight from the product label.

Brand Alvita
Net contents 24 Tea Bag(s); 5.54 Oz(s); 72 Gram(s)
Market status On market
Date entered into DSLD Jul 21, 2022
DSLD ID 268636
Product type Botanical
Supplement form Other (e.g. Tea Bag)
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Kosher, Organic, Gluten 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 Mullein by Alvita, 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 Tea Bag(s)
Maximum serving Sizes:
1 Tea Bag(s)
Servings per container
24
IngredientAmount% DV
Mullein3 Gram(s)--

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

Organic

Traditionally used to help soothe the respiratory system

NSF Certified Gluten-Free Naturally caffeine free

Alvita Mullein Tea is made with premium-quality, organic mullein leaves and flowers, and produces a slightly astringent flavor and aroma.

Certified Organic by QAI.

Certified Gluten-Free by NSF.

Brand IP Statement(s)

Alvita Since 1922

FDA Statement of Identity

Herbal Supplement

Seals/Symbols

NSF Certified Gluten-Free USDA Organic

Quality Assurance International Certified Organic Star-K (Kosher)

Suggested/Recommended/Usage/Directions

Preparation Place one tea bag in a cup and add 8 oz of boiling water. Cover and steep for 4 minutes. Gently squeeze tea bag and remove. Directions for use: We recommend 3 cups daily. Add sweetener if desired

How to brew Pour 8 oz 1 Temp 212 Degrees F 2 Steep 4 min 3

Formula

Star-K (Kosher)

Mullein Since the middle ages, herbalists have noted the emollient properties possessed by mullein (Verbascum thapsus) leaves and flowers and have traditionally used the herb to help soothe the respiratory system.

General Statements

The Alvita Story… In 1922, a new era for tea consumption began in America. The herb alfalfa, long known for its beneficial nutrients, was packaged in tea bags and sold to an emerging health food market. This product became known as Alvita and set the standard for future herbal teas. Today, Alvita represents more than forty single-ingredient teas, each one uniquely distinct, just like the individuals who drink them. Alvita chooses only the highest quality organic, wildcrafted, or cultivated botanicals, perfectly prepared to provide you with the best Mother Nature has to offer. Historical and scientific literature is painstakingly studied to ensure that the correct traditional plant and most appropriate servings are used, delivering premium flavor and quality. Herbs are gifts from the earth. Alvita takes its stewardship seriously by offering carefully harvested teas in earth-friendly packaging. Our beautifully illustrated boxes are made using recycled paperboard and our English, pillow style tea bags are oxygen bleached, not chlorine treated. You won’t find a better product, with a cleaner package… anywhere. Alvita… brewed with confidence, steeped in tradition. 100% Recycled Paperboard Recyclable

Precautions

WARNING: If you are pregnant or nursing, taking any medication or have any medical condition, consult a healthcare professional before use.

Keep out of reach of children.

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.

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

See for yourself

Mullein by Alvita label

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

Mullein 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 Mullein by Alvita

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

Serving size1 Tea Bag(s) Dosage formOther (e.g. Tea Bag) Servings per container24 Amounts shown are per serving.

Mullein

Interacts with
122 drugs
3 Gram(s) per serving Form: Mullein, Mullein

Mullein is a traditional herbal remedy most often used as a tea or syrup to soothe coughs, sore throats, and respiratory irritation. High-quality huma...

Mullein monograph & interactions
Interaction report

Mullein by Alvita Drug Interactions

Want to check YOUR meds against Mullein?

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
122Drugs
122 Minor

Ingredients driving the most interactions

Mullein 122

Individual Drug Interactions

The ingredients in Mullein interact with 122 drugs. Click any drug to see the details.

1 of the 1 ingredient in Mullein interact with drugs. Each result below shows which ingredient is responsible. Mullein

Each ingredient & the kinds of drugs it affects

For each ingredient in Mullein 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.

Mullein1 drug type · 122 drugs

Anticoagulant/Antiplatelet Drugs

Lab tests on extracts from different parts of common and dense-flowered mullein plants show that they do have some blood-thinning effects, as they increase the time it takes for blood to clot. This is likely due to at least one of the known constituents of muellein, triterpenoid saponins. However, the effects appear to be mild and results have been inconsistent. Extracts from different plant parts have been show to have varying anticoagulant strengths, with water-based ones being more potent than alcohol-based extracts.

Likelihood Unlikely Evidence A
Mullein full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Mullein, from the product label.

Alvita

See all Alvita products
Name
Twinlab Corporation
City
American Fork
State
UT
ZipCode
84003
Phone Number
1-800-645-5626
Pharmacist Counseling Corner

Mullein by Alvita: Common Questions

Does Mullein by Alvita interact with any medications?
Yes. Based on its ingredients, Mullein has a known interaction with 122 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Mullein 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 use Alvita Mullein if I'm pregnant or breastfeeding?
No — the safety data advise against it during pregnancy and breastfeeding because there isn't enough information to know it's safe. Talk with your doctor or pharmacist about your specific situation.
Does Alvita Mullein work for cough or bronchitis?
The evidence isn't established yet. We don't have reliable studies to say whether mullein works for cough, bronchitis, or other conditions people use it for.
What is mullein supposed to do?
Mullein is traditionally used for respiratory support — cough, bronchitis, and asthma — but we don't have reliable evidence that it works for these yet.
Are there any side effects?
Mullein is generally well tolerated for short-term use. A few cases have reported a skin rash after direct contact with the plant or from inhaling the dust, especially in people who also react to other plants.
Is Alvita Mullein just the leaf, or does it contain anything else?
It contains mullein leaf in a tea bag form with no other inactive ingredients listed.

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

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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.

Mullein label
Go deeper

The Full Monographs Behind Mullein’s Ingredients

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

Herb & supplement monograph

Mullein

Interacts with 122 drugs

Mullein is a traditional herbal remedy most often used as a tea or syrup to soothe coughs, sore throats, and respiratory irritation. High-quality human studies are lacking, so its benefits a...

Read the full Mullein monograph →
Sources

Sources & How We Checked

Mullein'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 2 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.

Mullein 2 references
  1. Castro AI, Carmona JB, Gonzales FG, Nestar OB. Occupational airborne dermatitis from gordolobo (Verbascum densiflorum). Contact Dermatitis 2006;55(5):301.
  2. Flores Echaiz C, Al Ali A, Cao AQ, Sasseville D. Simultaneous contact dermatitis caused by Asteraceae and Verbascum thapsus. Contact Dermatitis 2017;76(5):316-8.

See these in context on the Mullein 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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