---
title: "Mullein Leaf — £437K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/mullein-leaf"
last_updated: "2026-07-31T20:20:04.638Z"
locale: en
meta:
description: "Niche score 57/100 · £437K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 57/100 · £437K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Mullein Leaf — £437K/yr Amazon UK Niche (2026) - Flapen"
---
# **mullein leaf**
**Worth a look**
Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 57Growth 13Conversion 95Competition 47Returns 100Price range 14Avg price 47Brand share 58Review moat 67Quality gap 75
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****11.9%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Good****828.9**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****70%**
top-5 brand share — brands hold most of the demand
**Market size**
**Good****£437K**
£437K/yr · 316K searches
**Competition**
**Okay****57%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Okay****£11.63**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****£6.68–£16.31**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Bad****-23.6%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, mullein leaf is a £437K/yr Amazon United Kingdom market (316K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Jan. Verdict: Worth a look — 57/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mullein leaf market data**
- **Units sold / yr**
- **30K–40K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **£349K–£465K**
- units × avg price
- **Conversion rate**
- **11.9%**
- **Avg BSR**
- **#308**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **90%**
- **Out of stock**
- **5.1%**
- **Avg brand age**
- **33 months**
- **Avg seller age**
- **163 days**
## **Competition & brand share**
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▼falling
**Sellers**
**40**
**Top-5 brand share**
**70%**
Top 20: 100%
**Top-5 click share**
**57%**
Top 20: 99%
**Open market**
**24%**
- Vortexonix32% - XAYGHE13% - Four Leaf Farmacy12% - Tooffi6% - Balance6% - BOIUOITI6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -23.6% search growth over the last 90 days.
15K10KBlack Friday '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan · busiest ÷ quietest = 2.2×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/mullein-leaf/trend)
## **Top mullein leaf search terms**
- **mullein leaf extract for lungs**127K/yr-37.2%9.8% conv. - **mullein drops**72K/yr+13.7%10.8% conv. - **mullein**61K/yr-18.0%5.8% conv. - **mullein drops for lungs**10K/yr-10.1%9.8% conv. - **mullein extract**6K/yr+10.5%6.0% conv. - **mullen**7K/yr-8.7%7.9% conv. - **mullien**5K/yr-25.0%7.7% conv. - **organic mullein**5K/yr-53.9%2.9% conv. - **mullein leaf drops**3K/yr-32.9%8.1% conv. - **mullein leaf extract**4K/yr-49.2%9.3% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/mullein-leaf/search-terms)
## **Top mullein leaf products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%£22K10%£44K15%£66K20%£87K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Mullein Drops for Lungs Mullein Leaf Extract Supplement Natural Mullein Herbal Supplements Mullein Leaf Extract for Lung Cleanse and Respiratory Support - 2.02 fl oz**Vortexonix**£10.56**4.4★476 rev](https://www.amazon.co.uk/dp/B0DF7QVJ2V) [2**Mullein Drops for Lungs 2 Pack Powerful Mullein Leaf Extract for Lungs Cleanse and Healthy Breathing 2 Month Supply 60ml**XAYGHE**£16.25**4.2★516 rev](https://www.amazon.co.uk/dp/B0D93Y522B) [3**Mullein Leaf Extract for Lungs - Made in UK - 60 000mg High Strength Liquid Mullein Leaf - Mullein Drops**Four Leaf Farmacy**£10.39**4.4★303 rev](https://www.amazon.co.uk/dp/B0DG31H7K2) [4**Mullein Leaf Extract for Lungs 60ML Premium Mullein Leaf Extract Drops Balance Mullein Drops for Lungs Vegan Premium Mullein Leaf Extract Fast Absorption**Tooffi**£9.15**4.2★476 rev](https://www.amazon.co.uk/dp/B0DDXPXD6Z) [5**2 Pack Mullein Drops for Lungs Mullein Leaf Extract with Chlorophyll Mullein Leaf Extract Supplement for Lung Cleanse and Respiratory Support**Vortexonix**£14.84**4.4★476 rev](https://www.amazon.co.uk/dp/B0DJVY74VW)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Mullein Leaf Extract for Lungs 15 000mg High Strength 50:1 Concentrate 4 Month Supply 120 Vegan Mullein Leaf Capsules UK Made by New Leaf**NEW LEAF PRODUCTS**£11.51**7 rev1mo ago](https://www.amazon.co.uk/dp/B0H3BWYLN5) [**Mullein Leaf Extract 25 000mg | Max Strength Formula for Men & Women | 60 Vegan Capsules | by Horbaach**Horbäach**£7.01**89 rev11mo ago](https://www.amazon.co.uk/dp/B0FNRW53TW) [**Mullein Leaf Extract for Lungs | High Strength 5000mg Mullein 10:1 Extract Lung Support & Respiratory Health | Detoxification Aid & Cleansing Support Supplement - 60 Capsules**NEO-NUTRITION**£8.23**44 rev11mo ago](https://www.amazon.co.uk/dp/B0FMYBCVQ8) [**Youthful Roots Mullein Lung Support 60 Gummies. 6 in 1 Botanical Blend with Elderberry Marshmallow Root & Licorice Root Extract Quercetin and Bromelain**Youthful Roots**£9.92**74 rev1y ago](https://www.amazon.co.uk/dp/B0FD3XQZVJ) [**Mullein Leaf Extract for Lungs | Mullein Leaf Capsules - 9000mg from 20:1 Mullein Leaf Extract | for Lung Cleanse & Mucus Relief | 90 Capsules - 3 Month Supply**Nutrivo**£6.88**21 rev1y ago](https://www.amazon.co.uk/dp/B0F5DDST1V)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Mullein Leaf Extract for Lungs | Mullein Leaf Capsules - 9000mg from 20:1 Mullein Leaf Extract | for Lung Cleanse & Mucus Relief | 90 Capsules - 3 Month Supply**Nutrivo**£6.88**5.0★**▲ 343%**](https://www.amazon.co.uk/dp/B0F5DDST1V) [**Mullein Leaf Extract for Lungs 15 000mg High Strength 50:1 Concentrate 4 Month Supply 120 Vegan Mullein Leaf Capsules UK Made by New Leaf**NEW LEAF PRODUCTS**£11.51**4.2★**▲ 341%**](https://www.amazon.co.uk/dp/B0H3BWYLN5) [**Mullein Drops for Lungs 60 ml - Mullein Leaf Extract for Lungs with Chlorophyll - Natural Herbal Supplement for Lung Cleanse Respiratory Support Boosts Immunity Digestive Wellness**BOIUOITI**£11.64**4.3★**▲ 323%**](https://www.amazon.co.uk/dp/B0DG919CTS) [**Mullein Drops for Lungs | 4 fl oz Organic Mullein Leaf Extract Liquid | 72 000mg Bottle with Liquorice Root | Flavonoid Support Saponin Balance | 2 Months Supply 120ml**Dr Sosnowski's**£15.80**4.3★**▲ 172%**](https://www.amazon.co.uk/dp/B0DQ4R7JNV) [**Youthful Roots Mullein Lung Support 60 Gummies. 6 in 1 Botanical Blend with Elderberry Marshmallow Root & Licorice Root Extract Quercetin and Bromelain**Youthful Roots**£9.92**4.2★**▲ 83%**](https://www.amazon.co.uk/dp/B0FD3XQZVJ)
**~~View all trending →~~**
## **What buyers say about mullein leaf**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**19%
*“This product is well made”*
**Cough Relief**15%
*“Has helped my cough for sure”*
**Taste-Overall**15%
*“Good taste”*
**Advertised Vs Actual Product**7%
*“As advertised”*
**Breathability**7%
*“helped with my breathing”*
**Efficiency**6%
*“seems to do the trick very good”*
**Value For Money**5%
*“Worth buying”*
**Ease Of Use**4%
*“Easy to use”*
**Sinus Relief**2%
*“Clears the mucus”*
**Dosage**2%
*“A convenient way to take mullein that is from a well know brand”*
### **What buyers complain about **
**Functionality-Overall**16%
*“Start slowly”*
**Taste-Overall**13%
*“no real taste”*
**Cough Relief**9%
*“No difference to my cough”*
**Value For Money**6%
*“Waste of money”*
**Dosage**4%
*“Doesnt do anything on the recommended dose”*
**Stale/Rotten/Spoiled**4%
*“Rubbish”*
**Flavor**3%
*“Good quality product not a great lover of the coconut flavour”*
**Natural Resource Wastage**2%
*“So a total con ans waste of money”*
**Quality-Overall**2%
*“POOR effectiveness”*
**Instructions/User Manual/Troubleshooting**2%
*“No instructions”*
### **Top return reasons **
**Functionality-Overall**23%
**Advertised Vs Actual Product**15%
**Leak-Proof**8%
**Joint Pain**8%
**Certifications**8%
**Color**8%
**Quality-Overall**8%
**Cough Relief**8%
**Compatibility-Overall**8%
**Taste-Overall**4%
## **Common questions**
- **Is mullein leaf profitable to sell on Amazon United Kingdom?**
- The niche generates £437K/yr across 21 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -23.6%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the mullein leaf niche?**
- 18 brands and 40 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 70% of demand.
- **What do buyers complain about in mullein leaf?**
- Top complaints mined from reviews: Functionality-Overall, Taste-Overall, Cough Relief. The return rate is 0.1%.
- **When does demand for mullein leaf peak?**
- Demand peaks in Jan; the busiest month runs 2.2× the quietest.
- **What does it cost to enter the mullein leaf niche?**
- Listings span £6.68–£16.31; the average listing price is £11.63 (sweet spot $15–$100). The average incumbent carries 829 reviews — the moat a new listing must climb.
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