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Portobello Mushrooms

Portobello Mushrooms shows low returns (0.0%), but soft demand (-26.7% this quarter) keeps it on the watch list.

Flapen Score

53
Worth a look
Market size 16Growth 12Conversion 95Competition 63Returns 100Price range 50Avg price 42Brand share 56Review moat 86Quality gap 53
This niche Category average

Is Portobello Mushrooms profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Portobello Mushrooms is a £63K/yr Amazon United Kingdom market (47K searches/yr). The top 5 brands hold 72% of demand. Demand peaks in Jan–Sep–Oct–Nov–Dec. Verdict: Worth a look — 53/100.

Portobello Mushrooms: 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 -26.7% over the last 90 days and 12.0% of searches end in a purchase.

£63K

revenue / yr

Units sold / yr6K
Search volume / yr-26.7%47K
Conversion rate12.0%
Avg price£11.08

Who owns the niche?

The top 5 brands hold 72% of demand, so 28% of the market is open.

28%

open market share

Brands · sellers17 · 34
Top-5 product click share47%
Open market28%
Avg brand age54 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.

0/100

page quality · 24 products

Sponsored placement58%
New entrants (1y)3· 2 succeeded
Avg rating4.4★
Avg reviews290

Top Portobello Mushrooms 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 47% of clicks — established leaders, but buyers still shop beyond them.

£0£2K£4K£6K£8K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

17 falling

Sellers

34

Top-5 brand share

72%

Top 20: 100%

Top-5 click share

47%

Top 20: 96%

Open market

21%

  • Vigorous Mountains22%
  • East Asia Brand16%
  • Yutaka15%
  • GOLDEN SWAN10%
  • Emma Basic9%
  • Morrisons8%

Portobello Mushrooms demand & seasonality

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

Volume47KCVR12.0%Products24Brands17Top 5 Brands72%OOS Rate11.0%Rating4.4★Reviews290Avg BSR#108
18K13KSpike '24Prime Day '25Black Friday '25SepDecMarJunAugNovMarMay

Peak months: Jan, Sep, Oct, Nov, Dec · busiest ÷ quietest = 3.4×

Top Portobello Mushrooms search terms shoppers use

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

  • shiitake mushrooms26K/yr
  • dried shiitake mushrooms14K/yr
  • shiitake3K/yr
  • shitake2K/yr
  • dried shiitake2K/yr

What reviews say buyers love and hate about Portobello Mushrooms

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

What buyers love

74% of reviews
Quality-Overall22%

Excellent product

Value For Money13%

you can get cheaper

Taste-Overall10%

Great fungi

Freshness7%

Super fresh

Focus Enhancement6%

focus has improved

What buyers complain about

70% of reviews
Size-Overall14%

A very big bag

Functionality-Overall11%

don't see or feel any result

Dosage11%

Started taking these, still sceptical about tablets form over actual powder to put in drinks, food ect

Thickness7%

They are the thinner

Natural Resource Wastage7%

Waste of time

Portobello Mushrooms 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.

1Software/Application
100%

Common Portobello Mushrooms questions

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

Flapen scores Portobello Mushrooms 53/100 on Amazon United Kingdom — Worth a look. The niche generates £63K/yr across 24 tracked products. 2 of 3 products launched in the last 360 days are still selling. Search demand moved -26.7% over the last 90 days.
Search demand for Portobello Mushrooms on Amazon United Kingdom peaks in Jan–Sep–Oct–Nov–Dec, where the busiest month runs 3.4× the quietest.