---
title: "Portobello Mushrooms — £63K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/grocery/portobello-mushrooms"
last_updated: "2026-07-31T16:20:21.581Z"
locale: en
meta:
description: "Niche score 53/100 · £63K/yr market · 47K searches/yr · £11.08 avg price. Soft demand (-26.7% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 53/100 · £63K/yr market · 47K searches/yr · £11.08 avg price. Soft demand (-26.7% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Portobello Mushrooms — £63K/yr Amazon UK Niche (2026) - Flapen"
---
# **portobello mushrooms**
**Worth a look**
Shows low returns (0.0%), but soft demand (-26.7% this quarter) keeps it on the watch list.
Market size 16Growth 12Conversion 95Competition 63Returns 100Price range 50Avg price 42Brand share 56Review moat 86Quality gap 53
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****12.0%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Great****289.79**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****47%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Good****72%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****£1.03–£29.16**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****£11.08**
avg listing price — sweet spot $15–$100
**Market size**
**Bad****£63K**
£63K/yr · 47K searches
**Growth**
**Bad****-26.7%**
90-day search growth — must beat 0% to launch
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.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **portobello mushrooms market data**
- **Units sold / yr**
- **5K–6K**
- avg 100–250/product
- **Revenue / yr**
- **£55K–£66K**
- units × avg price
- **Conversion rate**
- **12.0%**
- **Avg BSR**
- **#108**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **58%**
- **Out of stock**
- **11.0%**
- **Avg brand age**
- **54 months**
- **Avg seller age**
- **186 days**
## **Competition & brand share**
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.
**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%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -26.7% search growth over the last 90 days.
18K13KSpike '24Prime Day '25Black Friday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Sep, Oct, Nov, Dec · busiest ÷ quietest = 3.4×
[**Open Trend **](https://flapen.com/research/uk/grocery/portobello-mushrooms/trend)
## **Top portobello mushrooms search terms**
- **shiitake mushrooms**26K/yr-30.7%8.0% conv. - **dried shiitake mushrooms**14K/yr-21.6%10.9% conv. - **shiitake**3K/yr-24.7%5.9% conv. - **shitake**2K/yr-8.6%13.1% conv. - **dried shiitake**2K/yr-33.1%8.9% conv. [**All search terms **](https://flapen.com/research/uk/grocery/portobello-mushrooms/search-terms)
## **Top portobello mushrooms 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%3%£2K6%£4K9%£6K12%£8K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**East Asia Brand Dried Shiitake Mushroom - 60g (Pack of 1)**East Asia Brand**£5.72**4.3★160 rev](https://www.amazon.co.uk/dp/B0999MC1G2) [2**Yutaka - Dried Shiitake Mushrooms 30g - Premium Donko Winter Mushrooms - Rich Umami Flavour Vegan Friendly - High Fibre & Protein - Perfect for Soups Stir-Fries Risotto & Broths**Yutaka**£3.15**4.3★441 rev](https://www.amazon.co.uk/dp/B0725LDSRP) [3**Golden Swan Dried Shiitake Mushrooms 1 kg**GOLDEN SWAN**£23.37**4.5★421 rev](https://www.amazon.co.uk/dp/B01FZH2NRK) [4**VIGOROUS MOUNTAINS Dried Shiitake Mushrooms for Cooking Pure Aroma Thin Cap Without Stem Rehydrate Quickly Soft Texture Gourmet Dried Mushrooms Shiitake 100g**Vigorous Mountains**£11.70**4.5★306 rev](https://www.amazon.co.uk/dp/B09ZTS9118) [5**VIGOROUS MOUNTAINS Dried Shiitake Mushrooms for Cooking 2-3CM Dehydrated Mushrooms Dry Fresh Vegan No Fumigation Sulfur (4Oz) 113.4 Gram**Vigorous Mountains**£6.96**4.3★780 rev](https://www.amazon.co.uk/dp/B079FDTZBP)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Morrisons The Best Shiitake Mushrooms 130g**Morrisons**£2.10**91 rev10mo ago](https://www.amazon.co.uk/dp/B0FKBR9WQQ) [**Yutaka Sliced Dried Winter Shiitake Mushrooms 500g | Rich Umami-Rich Japanese Shiitake Ideal for Soups Ramen Broths & Stir-Fries**Yutaka**£14.73**8 rev11mo ago](https://www.amazon.co.uk/dp/B0FKNJVMK2) [**Chestnut Mushrooms 340g**Morrisons**£1.65**411 rev12mo ago](https://www.amazon.co.uk/dp/B0FKBRFMTF) [**VIGOROUS MOUNTAINS Organic Shiitake Mushrooms Sliced Great Size Fresh Texture Rehydrate Quickly Dried Shiitake Mushrooms for Cooking Soups Ramen Pasta and Risotto All Natural Vegan 100g**Vigorous Mountains**£8.95**452 rev1y ago](https://www.amazon.co.uk/dp/B0DKDTL26Z) [**FuRui Dried Shiitake Mushrooms 1kg**CAPACITEA**£22.27**10 rev1y ago](https://www.amazon.co.uk/dp/B0DSG5BFCL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Chestnut Mushrooms 340g**Morrisons**£1.65**4.6★**▲ 343%**](https://www.amazon.co.uk/dp/B0FKBRFMTF) [**VIGOROUS MOUNTAINS Organic Shiitake Mushrooms Sliced Great Size Fresh Texture Rehydrate Quickly Dried Shiitake Mushrooms for Cooking Soups Ramen Pasta and Risotto All Natural Vegan 100g**Vigorous Mountains**£8.95**4.5★**▲ 263%**](https://www.amazon.co.uk/dp/B0DKDTL26Z) [**East Asia Dried Abalone Shiitake Mushrooms 200g- Thick-Cap Chinese Mushrooms for Gourmet Soups & Festive Dishes**East Asia Brand**£6.63**4.6★**▲ 192%**](https://www.amazon.co.uk/dp/B0999FY9TB) [**by Amazon Chestnut Mushrooms 250g**by Amazon**£1.03**4.7★**▲ 123%**](https://www.amazon.co.uk/dp/B0862Z1NBM) [**Organic Shiitake Mushroom 7500mg 50% Polysaccharides Extract Mushroom Supplement 90 Vegan Capsules (3 Months Supply) Resealable and Recyclable Pouch By Alpha01**ALPHA01**£7.50**4.2★**▲ 45%**](https://www.amazon.co.uk/dp/B0BKGW1M8B)
**~~View all trending →~~**
## **What buyers say about portobello mushrooms**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**22%
*“Excellent product”*
**Value For Money**13%
*“you can get cheaper”*
**Taste-Overall**10%
*“Great fungi”*
**Freshness**7%
*“Super fresh”*
**Focus Enhancement**6%
*“focus has improved”*
**Ease Of Use**4%
*“Very useful”*
**Sleep Quality**3%
*“Very good helps me sleep at night and stay asleep”*
**Crispiness**3%
*“Lovely and crisp”*
**Size-Overall**3%
*“nice size - cooks well”*
**Energy Level**3%
*“Yeh good feel a bit more energetic all road”*
### **What buyers complain about **
**Size-Overall**14%
*“A very big bag”*
**Functionality-Overall**11%
*“don't see or feel any result”*
**Dosage**11%
*“Started taking these, still sceptical about tablets form over actual powder to put in drinks, food ect”*
**Thickness**7%
*“They are the thinner”*
**Natural Resource Wastage**7%
*“Waste of time”*
**Quality-Overall**7%
*“Quality below standards”*
**Durability**4%
*“only lasted a month before going mouldy”*
**Visibility**4%
*“don't see or feel any result”*
**Moist/Dry**4%
*“Dry out quickly”*
**Side Effects**2%
*“still taking them even though the effect is not obvious”*
### **Top return reasons **
**Software/Application**100%
## **Common questions**
- **Is portobello mushrooms profitable to sell on Amazon United Kingdom?**
- The niche generates £63K/yr across 24 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -26.7%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the portobello mushrooms niche?**
- 17 brands and 34 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 72% of demand.
- **What do buyers complain about in portobello mushrooms?**
- Top complaints mined from reviews: Size-Overall, Functionality-Overall, Dosage. The return rate is 0.0%.
- **When does demand for portobello mushrooms peak?**
- Demand peaks in Jan–Sep–Oct–Nov–Dec; the busiest month runs 3.4× the quietest.
- **What does it cost to enter the portobello mushrooms niche?**
- Listings span £1.03–£29.16; the average listing price is £11.08 (sweet spot $15–$100). The average incumbent carries 290 reviews — the moat a new listing must climb.
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