---
title: "Mullein — $415K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/mullein"
last_updated: "2026-08-12T10:20:41.726Z"
locale: en
meta:
description: "Amazon product research for mullein: $415K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for mullein: $415K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Mullein — $415K/mo Amazon US Product Research (2026)"
---
# **Mullein**
**Worth a look**
Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 97Growth 14Conversion 88Competition 43Returns 100Price range 76Avg price 88Brand share 61Review moat 34Quality gap 48
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Market size**
**Incredible****$5.0M**
$5.0M/yr · 2.4M searches
**Conversion**
**Great****10.2%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$20.15**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.22–$36.23**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****68%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****59%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****3,076.75**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-21.5%**
90-day search growth — must beat 0% to launch
## **Is mullein profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, mullein is a $5.0M/yr Amazon United States market (2.4M searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Jan. Verdict: Worth a look — 63/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mullein market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **250K–300K**
- avg 12,500–15,000/product
- **Revenue / yr**
- **$5.0M–$6.0M**
- units × avg price
- **Conversion rate**
- **10.2%**
- **Avg BSR**
- **#295**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **155 days**
## **Competition: brands, sellers & click share**
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**17 **—flat
**Sellers**
**566**
**Top-5 brand share**
**68%**
Top 20: 100%
**Top-5 click share**
**59%**
Top 20: 100%
**Open market**
**25%**
- NUTRAHARMONY35% - Nature's Answer11% - Betterbrand8% - Fidus7% - HERBIFY7% - Zazzee6%
## **mullein demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -21.5% search growth over the last 90 days.
80K60KSpike '24Black Friday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan · busiest ÷ quietest = 2.0×
[**Open Trend **](https://flapen.com/research/us/health-household/mullein/trend)
## **Top mullein search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **mullein drops for lungs**969K/yr-12.7%9.4% conv. - **mullein**682K/yr-26.1%5.3% conv. - **mullein leaf extract for lungs**236K/yr-43.8%6.8% conv. - **mullein drops**137K/yr-25.1%7.9% conv. - **mullen**68K/yr-20.6%5.6% conv. - **origin drops mullein**12K/yr+341.3%5.1% conv. - **mullien**39K/yr-20.7%5.2% conv. - **mullins detox lungs**45K/yr-34.1%6.0% conv. - **nutrapure mullein drops**10K/yr+62.4%2.0% conv. - **mullein tincture**33K/yr-31.4%7.4% conv. [**All search terms **](https://flapen.com/research/us/health-household/mullein/search-terms)
## **Top mullein products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$498K20%$996K30%$1.5M40%$2.0M101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 20 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Mullein Drops for Lungs - USDA Organic Liquid - Mullein Leaf Extract Supplement - for Women & Men - Lung & Bronchial Cleanse for Smokers - Respiratory Health Support - As Tincture Tea Pills - 4 oz**NUTRAHARMONY**$28.98**4.5★7,737 rev](https://www.amazon.com/dp/B0CKBPTPRL) [2**Natures Answer Mullein Leaf | Herbal Supplement | Supports Healthy Respiratory Function & Healthy Mucous Membranes | Non-GMO & Kosher | Gluten-Free & Alcohol-Free 1oz**Nature's Answer**$13.48**4.5★6,930 rev](https://www.amazon.com/dp/B00028LNAQ) [3**Betterbrand Mullein Drops for Lung Detox - Mullein Leaf Tincture with Chlorophyll - Respiratory Health Support Alcohol-Free 1 Month Supply - 10:1 Extract**Betterbrand**$36.23**4.3★4,320 rev](https://www.amazon.com/dp/B0CJMV7ML4) [4**Mullein Drops for Lungs 120 Servings - Mullein Leaf with 7 Herbs Echinacea Oregano Ginger Elderberry Marshmallow Root & Thyme - Lung Detox for Smokers - Respiratory Immune & Lymphatic Drainage**Fidus**$21.29**4.4★1,205 rev](https://www.amazon.com/dp/B0F1Y8YV9R) [5**HERBIFY Mullein Drops - Lung Cleanse - Leaf Extract - Powerful Mullein for Immune Support Detox & Respiratory Support - Made in USA - Lung Cleanse for Smokers - 4 Oz**HERBIFY**$35.26**4.4★11,155 rev](https://www.amazon.com/dp/B087QV5RQB)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Origin Drops Mullein Super Concentrated Mullein Drops 2 Fl oz**Origin Drops**$21.15**11 rev1mo ago](https://www.amazon.com/dp/B0H3T7P75C) [**Zazzee USDA Organic Mullein Leaf 10:1 Extract 120 Vegan Capsules 4 Month Supply Verbascum Thapsus Respiratory & Lung Support Organic Herbal Supplement All-Natural Non-GMO Made in the USA**Zazzee**$20.10**148 rev10mo ago](https://www.amazon.com/dp/B0FQB9MLBC) [**Mullein Drops for Lungs 120 Servings - Mullein Leaf with 7 Herbs Echinacea Oregano Ginger Elderberry Marshmallow Root & Thyme - Lung Detox for Smokers - Respiratory Immune & Lymphatic Drainage**Fidus**$21.29**1,205 rev1y ago](https://www.amazon.com/dp/B0F1Y8YV9R) [**LIQUIDHEALTH USDA Organic Mullein Leaf Extract Drops for Lungs - Herbal Cleansing Drops for Smokers Immune Support Respiratory Health - 1000mg 60-Day Supply Sugar-Free Made in USA (2 fl oz)**LIQUIDHEALTH**$10.92**427 rev1y ago](https://www.amazon.com/dp/B0F6NX5HTB) [**Mullein Drops for Lungs USDA Organic Mullein Leaf Extract 2 Fl Oz**HAVASU NUTRITION**$17.83**389 rev1y ago](https://www.amazon.com/dp/B0F1V9VGWT)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Origin Drops Mullein Super Concentrated Mullein Drops 2 Fl oz**Origin Drops**$21.15**4.1★**▲ 367%**](https://www.amazon.com/dp/B0H3T7P75C) [**Zazzee USDA Organic Mullein Leaf 10:1 Extract 120 Vegan Capsules 4 Month Supply Verbascum Thapsus Respiratory & Lung Support Organic Herbal Supplement All-Natural Non-GMO Made in the USA**Zazzee**$20.10**4.6★**▲ 111%**](https://www.amazon.com/dp/B0FQB9MLBC) [**vivcmin Mullein Drops for Lungs 120 Servings Respiratory & Immune Support Lung Detox for Smokers Tincture Mullein Leaf Extract for Lung Cleanse 4 fl oz**vivcmin**$17.37**4.4★**▲ 106%**](https://www.amazon.com/dp/B0D966WNKR) [**Mullein Drops for Lungs - USDA Organic Liquid - Mullein Leaf Extract Supplement - for Women & Men - Lung & Bronchial Cleanse for Smokers - Respiratory Health Support - As Tincture Tea Pills - 2 oz**NUTRAHARMONY**$26.89**4.5★**▲ 73%**](https://www.amazon.com/dp/B0DK7PN6GD) [**BREATHIUM 4-in-1 Mullein Drops for Lungs & Gut Health Liposomal Mullein Leaf Extract Made in USA Natural Lung Detox for Smokers + Immune Digestive Allergy & Mucus Relief 2oz Peppermint**BREATHIUM**$28.27**4.4★**▲ 53%**](https://www.amazon.com/dp/B0D9VH8ZL2)
**~~View all trending →~~**
## **What reviews say buyers love and hate about mullein**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Cough Relief**22%
*“Good for cough”*
**Quality-Overall**13%
*“This tincture is of high quality”*
**Efficiency**11%
*“Seems effective”*
**Breathability**10%
*“breath better”*
**Taste-Overall**7%
*“Good taste”*
**Advertised Vs Actual Product**5%
*“Arrived as described”*
**Value For Money**4%
*“Great value”*
**Sinus Relief**2%
*“Relieves sinus”*
**Side Effects**2%
*“No side effects”*
**Ease Of Use**2%
*“Easy to use”*
### **What buyers complain about **
**Functionality-Overall**18%
*“it never worked”*
**Taste-Overall**12%
*“Most disgusting taste ever”*
**Cough Relief**11%
*“Did not help the cough”*
**Breathability**5%
*“Made Breathing Worse”*
**Dosage**3%
*“Very low concentration: 250 mg per serving (vs 1200 mg per serving I normally use).”*
**Allergies**3%
*“Allergic reaction”*
**Quality-Overall**3%
*“Can't say it did anything good”*
**Side Effects**2%
*“I then developed bad headaches”*
**Value For Money**2%
*“Waste of money”*
**Advertised Vs Actual Product**2%
*“doesn't work like advertised”*
### **Top return reasons **
**Functionality-Overall**31%
**Ingredients-Overall**27%
**Advertised Vs Actual Product**15%
**Blood Sugar Level**8%
**Instructions/User Manual/Troubleshooting**8%
**Blood Pressure**8%
**Cough Relief**4%
## **Common mullein questions**
- **Is mullein profitable to sell on Amazon United States?**
- The niche generates $5.0M/yr across 20 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -21.5%. Flapen's verdict: Worth a look (63/100).
- **How competitive is the mullein niche?**
- 17 brands and 566 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 68% of demand.
- **What do buyers complain about in mullein?**
- Top complaints mined from reviews: Functionality-Overall, Taste-Overall, Cough Relief. The return rate is 0.0%.
- **When does demand for mullein peak?**
- Demand peaks in Jan; the busiest month runs 2.0× the quietest.
- **What does it cost to enter the mullein niche?**
- Listings span $8.22–$36.23; the average listing price is $20.15 (sweet spot $15–$100). The average incumbent carries 3,077 reviews — the moat a new listing must climb.
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