mullein leaf
Worth a lookShows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great11.9%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Review moat
Good828.9avg incumbent reviews — the moat a new listing must climb
Brand share
Good70%top-5 brand share — brands hold most of the demand
Market size
Good£437K£437K/yr · 316K searches
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Avg price
Okay£11.63avg listing price — sweet spot $15–$100
Price range
Bad£6.68–£16.31cheapest 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
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.Peak months: Jan · busiest ÷ quietest = 2.2×
Top mullein leaf search terms
- mullein leaf extract for lungs127K/yr
- mullein drops72K/yr
- mullein61K/yr
- mullein drops for lungs10K/yr
- mullein extract6K/yr
- mullen7K/yr
- mullien5K/yr
- organic mullein5K/yr
- mullein leaf drops3K/yr
- mullein leaf extract4K/yr
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.
All 21 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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£10.564.4★476 rev
Mullein Drops for Lungs 2 Pack Powerful Mullein Leaf Extract for Lungs Cleanse and Healthy Breathing 2 Month Supply 60ml
XAYGHE£16.254.2★516 rev
Mullein Leaf Extract for Lungs - Made in UK - 60 000mg High Strength Liquid Mullein Leaf - Mullein Drops
Four Leaf Farmacy£10.394.4★303 rev
Mullein Leaf Extract for Lungs 60ML Premium Mullein Leaf Extract Drops Balance Mullein Drops for Lungs Vegan Premium Mullein Leaf Extract Fast Absorption
Tooffi£9.154.2★476 rev
2 Pack Mullein Drops for Lungs Mullein Leaf Extract with Chlorophyll Mullein Leaf Extract Supplement for Lung Cleanse and Respiratory Support
Vortexonix£14.844.4★476 rev
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£11.517 rev
Mullein Leaf Extract 25 000mg | Max Strength Formula for Men & Women | 60 Vegan Capsules | by Horbaach
Horbäach£7.0189 rev
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£8.2344 rev
Youthful Roots Mullein Lung Support 60 Gummies. 6 in 1 Botanical Blend with Elderberry Marshmallow Root & Licorice Root Extract Quercetin and Bromelain
Youthful Roots£9.9274 rev
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£6.8821 rev
Trending
90-day click momentumMullein 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£6.885.0★
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£11.514.2★
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£11.644.3★
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£15.804.3★
Youthful Roots Mullein Lung Support 60 Gummies. 6 in 1 Botanical Blend with Elderberry Marshmallow Root & Licorice Root Extract Quercetin and Bromelain
Youthful Roots£9.924.2★
What buyers say about mullein leaf
What buyers praise and complain about, mined from review topics.What buyers love
“This product is well made”
“Has helped my cough for sure”
“Good taste”
“As advertised”
“helped with my breathing”
“seems to do the trick very good”
“Worth buying”
“Easy to use”
“Clears the mucus”
“A convenient way to take mullein that is from a well know brand”
What buyers complain about
“Start slowly”
“no real taste”
“No difference to my cough”
“Waste of money”
“Doesnt do anything on the recommended dose”
“Rubbish”
“Good quality product not a great lover of the coconut flavour”
“So a total con ans waste of money”
“POOR effectiveness”
“No instructions”
Top return reasons
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.