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karvol

Skip it

Soft demand (-62.0% this quarter) — this niche doesn't clear our bar today.

Market size 9Growth 0Conversion 96Competition 4Returns 99Price range 0Avg price 18Brand share 0Review moat 63Quality gap 62

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Conversion

Incredible13.9%

search→purchase rate — share of searches ending in a sale

Review moat

Good988.17

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Avg price

Bad£6.49

avg listing price — sweet spot $15–$100

Market size

Bad£35K

£35K/yr · 39K searches

Competition

Bad95%

top-5 click share — a locked-up shelf

Growth

Bad-62.0%

90-day search growth — must beat 0% to launch

Brand share

Bad100%

top-5 brand share — brand-locked demand

Price range

Bad£3.74–£9.87

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United Kingdom niche tracking, karvol is a £35K/yr Amazon United Kingdom market (39K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Sep–Oct–Nov–Dec. Verdict: Skip it — 32/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

karvol market data

Units sold / yr
5K–6K
avg 750–1,000/product
Revenue / yr
£32K–£39K
units × avg price
Conversion rate
13.9%
Avg BSR
#34
Page quality
0%
Prime
100%
Sponsored
67%
Out of stock
0.0%
Avg brand age
74 months
Avg seller age
190 days

Competition & brand share

The top 5 products capture 95% of clicks — a locked-up shelf that new listings rarely crack.

Brands

2 falling

Sellers

6

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

95%

Top 20: 100%

Open market

0%

  • KLEARVOL75%
  • CloudBazaar 24725%

Demand & seasonality

Weekly Amazon search volume, last 83 weeks — -62.0% search growth over the last 90 days.
1K750Spike '25JanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Jan, Feb, Sep, Oct, Nov, Dec · busiest ÷ quietest = 5.6×

Top karvol search terms

  • karvol16K/yr
  • karvol capsules uk10K/yr
  • klearvol capsules4K/yr
  • klearvol5K/yr
  • karvol capsules4K/yr
  • karvol capsule1K/yr
All search terms

Top karvol 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%15%£5K30%£11K45%£16K60%£21K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 6 tracked products in this niche — three views at once, no toggling.

What buyers say about karvol

What buyers praise and complain about, mined from review topics.

What buyers love

Breathability26%

“The inhalation capsules are easy to use and really help, especially when needed for comfort and easier breathing”

Smell23%

“Smells really good too”

Value For Money21%

“Great value for money”

Advertised Vs Actual Product7%

“As per description”

Quality-Overall7%

“Good quality product”

Sinus Relief5%

“Works really well – a must have for blocked noses”

Cold Relief4%

“Seems to help my kids when full of cold”

Cough Relief4%

“Great for stuffy nose”

Ease Of Use4%

“easy to use oncenopen”

What buyers complain about

Strength29%

“not quite as strong as they used to be”

Smell26%

“Smells great didnt help baby sleep”

Functionality-Overall14%

“Didnt work at all”

Allergies14%

“AWFUL AWFUL AWFUL”

Instructions/User Manual/Troubleshooting7%

“Sent in a plain box with NO instructions”

Adhesion/Stickiness5%

“bottle was wet ans sticky”

Sleep Quality5%

“Smells great didnt help baby sleep”

Top return reasons

Smell34%
Age Suitability25%
Functionality-Overall19%
Size-Overall6%
Strength6%
Advertised Vs Actual Product6%
Breathability3%

Common questions

Is karvol profitable to sell on Amazon United Kingdom?
The niche generates £35K/yr across 6 tracked products. 90-day search growth is -62.0%. Flapen's verdict: Skip it (32/100).
How competitive is the karvol niche?
2 brands and 6 sellers compete. The top 5 products take 95% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in karvol?
Top complaints mined from reviews: Strength, Smell, Functionality-Overall. The return rate is 0.2%.
When does demand for karvol peak?
Demand peaks in Jan–Feb–Sep–Oct–Nov–Dec; the busiest month runs 5.6× the quietest.
What does it cost to enter the karvol niche?
Listings span £3.74–£9.87; the average listing price is £6.49 (sweet spot $15–$100). The average incumbent carries 988 reviews — the moat a new listing must climb.