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Mullein Leaf

Mullein Leaf shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Flapen Score

57
Worth a look
Market size 57Growth 13Conversion 95Competition 47Returns 100Price range 14Avg price 47Brand share 58Review moat 67Quality gap 75
This niche Category average

Is Mullein Leaf profitable on Amazon?

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.

Mullein Leaf: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -23.6% over the last 90 days and 11.9% of searches end in a purchase.

£437K

revenue / yr

Units sold / yr40K
Search volume / yr-23.6%316K
Conversion rate11.9%
Avg price£11.63

Who owns the niche?

The top 5 brands hold 70% of demand, so 30% of the market is open.

30%

open market share

Brands · sellers18 · 40
Top-5 product click share57%
Open market30%
Avg brand age33 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.

0/100

page quality · 21 products

Sponsored placement90%
New entrants (1y)3· 0 succeeded
Avg rating4.3★
Avg reviews829

Top Mullein Leaf products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.

£0£22K£44K£66K£87K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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%

Mullein Leaf demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume316KCVR11.9%Products21Brands18Top 5 Brands70%OOS Rate5.1%Rating4.3★Reviews829Avg BSR#308
15K10KBlack Friday '24Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 2.2×

Top Mullein Leaf search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • 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

What reviews say buyers love and hate about Mullein Leaf

What buyers mention most, as a share of all reviews.

What buyers love

82% of reviews
Quality-Overall19%

This product is well made

Cough Relief15%

Has helped my cough for sure

Taste-Overall15%

Good taste

Advertised Vs Actual Product7%

As advertised

Breathability7%

helped with my breathing

What buyers complain about

60% of reviews
Functionality-Overall16%

Start slowly

Taste-Overall13%

no real taste

Cough Relief9%

No difference to my cough

Value For Money6%

Waste of money

Dosage4%

Doesnt do anything on the recommended dose

Mullein Leaf return rate & reasons

Why buyers send it back, as a share of all return requests.

0.1%

Return rate

24%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Functionality-Overall
23%
2Advertised Vs Actual Product
15%
3Leak-Proof
8%
4Joint Pain
8%
5Certifications
8%

Common Mullein Leaf questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Mullein Leaf 57/100 on Amazon United Kingdom — Worth a look. The niche generates £437K/yr across 21 tracked products. 0 of 3 products launched in the last 360 days are still selling. Search demand moved -23.6% over the last 90 days.
Search demand for Mullein Leaf on Amazon United Kingdom peaks in Jan, where the busiest month runs 2.2× the quietest.