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Milk Thistle

Milk Thistle clears our launch bar: a $1.8M/yr market growing +8.3% this quarter with returns at 0.0%.

Flapen Score

57
Launch it
Market size 91Growth 35Conversion 97Competition 20Returns 100Price range 38Avg price 51Brand share 38Review moat 71Quality gap 33
This niche Category average

Is Milk Thistle profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Milk Thistle is a £1.8M/yr Amazon United Kingdom market (972K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in May. Verdict: Launch it — 57/100.

Milk Thistle: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Yes. Search demand moved +8.3% over the last 90 days and 15.2% of searches end in a purchase.

£1.8M

revenue / yr

Units sold / yr150K
Search volume / yr+8.3%972K
Conversion rate15.2%
Avg price£12.08

Who owns the niche?

The top 5 brands hold 82% of demand, so 18% of the market is open.

18%

open market share

Brands · sellers13 · 29
Top-5 product click share76%
Open market18%
Avg brand age46 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 14 products

Sponsored placement86%
New entrants (1y)3· 3 succeeded
Avg rating4.5★
Avg reviews667

Top Milk Thistle 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 capture 76% of clicks — a locked-up shelf that new listings rarely crack.

£0£178K£356K£534K£712K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

13 rising

Sellers

29

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

12%

  • EVO NUTRITION33%
  • Nutrition Geeks23%
  • MANTRPHIL13%
  • Horbäach7%
  • nutribo6%
  • WeightWorld6%
  • Open — no brand owns it (7 brands, 12%)

Milk Thistle demand & seasonality

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

Volume972KCVR15.2%Products14Brands13Top 5 Brands82%OOS Rate8.2%Rating4.5★Reviews667Avg BSR#27
30K20KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May · busiest ÷ quietest = 1.4×

Top Milk Thistle search terms shoppers use

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

  • milk thistle645K/yr
  • milk thistle high strength142K/yr
  • milk thistle liver detox29K/yr
  • milk thistle tablets36K/yr
  • uvora milk thistle high strength8K/yr
  • milk thistle herbal supplements20K/yr
  • uvora milk thistle liver detox3K/yr
  • silymarin10K/yr
  • milk thistle capsules10K/yr
  • thistle10K/yr

What reviews say buyers love and hate about Milk Thistle

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

What buyers love

75% of reviews
Quality-Overall22%

A great product from a reputable company for my husband

Value For Money16%

Good value for money

Ease Of Chewing/Swallowing7%

They are a reasonable size so theres no issues swallowing these

Advertised Vs Actual Product6%

Actually works

Ease Of Use5%

Quick and easy

What buyers complain about

53% of reviews
Functionality-Overall14%

Seems not to work on me

Dosage9%

Unsure of results using 2 tablets a day

Advertised Vs Actual Product8%

Doesn't do what it says

Taste-Overall4%

have no taste

Size-Overall4%

The capsules are quite large

Milk Thistle return rate & reasons

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

0.0%

Return rate

0%

Fixable by listing

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

1Side Effects
100%

Common Milk Thistle questions

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

Flapen scores Milk Thistle 57/100 on Amazon United Kingdom — Launch it. The niche generates £1.8M/yr across 14 tracked products. 3 of 3 products launched in the last 360 days are still selling. Search demand moved +8.3% over the last 90 days.
Search demand for Milk Thistle on Amazon United Kingdom peaks in May, where the busiest month runs 1.4× the quietest.