---
title: "Calprofen — £1.1M/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/calprofen"
last_updated: "2026-07-31T13:46:10.549Z"
locale: en
meta:
description: "Niche score 48/100 · £1.1M/yr market · 940K searches/yr · £5.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · £1.1M/yr market · 940K searches/yr · £5.36 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Calprofen — £1.1M/yr Amazon UK Niche (2026) - Flapen"
---
# **calprofen**
**Skip it**
Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Market size 79Growth 21Conversion 100Competition 39Returns 100Price range 36Avg price 15Brand share 6Review moat 33Quality gap 19
**Conversion**
**Incredible****21.5%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Market size**
**Great****£1.1M**
£1.1M/yr · 940K searches
**Competition**
**Okay****61%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Okay****£1.56–£22.51**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Okay****3,163.89**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-8.3%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Bad****£5.36**
avg listing price — sweet spot $15–$100
**Brand share**
**Bad****98%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, calprofen is a £1.1M/yr Amazon United Kingdom market (940K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Feb–Mar–Jul. Verdict: Skip it — 48/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **calprofen market data**
- **Units sold / yr**
- **200K–250K**
- avg 12,500–15,000/product
- **Revenue / yr**
- **£1.1M–£1.3M**
- units × avg price
- **Conversion rate**
- **21.5%**
- **Avg BSR**
- **#6**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **63%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **76 months**
- **Avg seller age**
- **158 days**
## **Competition & brand share**
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**7 **—flat
**Sellers**
**69**
**Top-5 brand share**
**98%**
Top 20: 100%
**Top-5 click share**
**61%**
Top 20: 100%
**Open market**
**1%**
- Nurofen59% - Imodium29% - BECKYS CHOICE4% - CALPROFEN4% - Amazon Basics2% - Galpharm1% - Open — no brand owns it (1 brand, 1%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -8.3% search growth over the last 90 days.
18K13KSpike '24Holiday '24Spike '25Holiday '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay
Peak months: Feb, Mar, Jul · busiest ÷ quietest = 2.7×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/calprofen/trend)
## **Top calprofen search terms**
- **imodium instants**203K/yr+5.1%22.4% conv. - **nurofen**181K/yr-16.0%24.6% conv. - **nurofen for children**92K/yr-21.4%28.0% conv. - **medication & remedies**96K/yr-21.3%0.2% conv. - **medicine**45K/yr+3.9%0.1% conv. - **ibuprofen kids**31K/yr-7.0%20.7% conv. - **nurofen express**38K/yr-29.6%28.1% conv. - **nurofen tablets for adults**21K/yr+25.1%22.5% conv. - **over-the-counter medication**13K/yr+71.7%0.0% conv. - **imodium instants 36 pack**23K/yr-22.1%18.1% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/calprofen/search-terms)
## **Top calprofen 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%10%£108K20%£216K30%£325K40%£433K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Nurofen For Children 3M-9Y Kids Ibuprofen Strawberry 100 ml Baby Teething Pain Relief Cold Flu Fast Acting Up To 8 Hours Fever Reducer Child Medicine**Nurofen**£2.34**4.8★5,686 rev](https://www.amazon.co.uk/dp/B001DXNRVM) [2**Imodium Instants (1 x 6 Tablets) Loperamide Dissolving Tablets for On-The-Go Diarrhoea Relief Treats Short-Term and IBS Diarrhoea Helps Restore Your Natural Rhythm for Adults and Children Aged 12+**Imodium**£3.24**4.7★3,783 rev](https://www.amazon.co.uk/dp/B000K2RD30) [3**Nurofen Express Ibuprofen Liquid Capsules 200mg 16 Count - Fast-Acting Relief for Period Pain Headaches Migraines Cold & Flu Symptoms**Nurofen**£2.72**4.7★6,742 rev](https://www.amazon.co.uk/dp/B001DXNRQ2) [4**Nurofen Express Sodium Ibuprofen Caplets 256mg 16 Count - Fast-Acting Relief for Period Pain Headaches Migraines Cold & Flu Symptoms**Nurofen**£2.75**4.7★3,650 rev](https://www.amazon.co.uk/dp/B006GB1VDW) [5**Nurofen Ibuprofen 200mg Tablets 16 Caplets for Headache Migraine Back Pain Cold & Flu Relief 8-Hour Painkiller Over-The-Counter Medication**Nurofen**£1.56**4.7★3,927 rev](https://www.amazon.co.uk/dp/B001BNDDNG)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**36 Diarrhoea Relief Instants 2mg Orodispersible Tablets (6 Packs) - Melts in The Mouth**BECKYS CHOICE**£8.27**136 rev11mo ago](https://www.amazon.co.uk/dp/B0FL4P9TLL) [**Amazon Basics Slam Medicine Balls for Exercise 4kg**Amazon Basics**£16.38**355 rev1y ago](https://www.amazon.co.uk/dp/B0DPQJMTCC) [**Imodium Dual Action Diarrhoea Relief (6 Tablets) Helps Restore Gut to Natural Rhythm with Loperamide Hydrochloride & Simeticone Diarrhoea Tablets for Cramping Bloating and Wind**Imodium**£3.77**2,149 rev4y ago](https://www.amazon.co.uk/dp/B0B3MT1L4N) [**Nuromol Dual Action Ibuprofen Paracetamol Tablets 16 Count - Strong Painkillers for Joint Period Back Pain & Fever Relief**Nurofen**£3.42**3,987 rev4y ago](https://www.amazon.co.uk/dp/B09NJPNF53) [**Nurofen Ibuprofen 10% Gel 40g - Maximum Strength Pain Relief For Achilles Tendonitis Muscles Back - Anti-Inflammatory Treatment For Bones And Joint Discomfort**Nurofen**£5.52**5,270 rev7y ago](https://www.amazon.co.uk/dp/B01MTGCG88)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Amazon Basics Slam Medicine Balls for Exercise 4kg**Amazon Basics**£16.38**4.4★**▲ 268%**](https://www.amazon.co.uk/dp/B0DPQJMTCC) [**Imodium Instants (1 x 6 Tablets) Loperamide Dissolving Tablets for On-The-Go Diarrhoea Relief Treats Short-Term and IBS Diarrhoea Helps Restore Your Natural Rhythm for Adults and Children Aged 12+**Imodium**£3.24**4.7★**▲ 68%**](https://www.amazon.co.uk/dp/B000K2RD30) [**36 Diarrhoea Relief Instants 2mg Orodispersible Tablets (6 Packs) - Melts in The Mouth**BECKYS CHOICE**£8.27**4.7★**▲ 54%**](https://www.amazon.co.uk/dp/B0FL4P9TLL) [**Nurofen Express Sodium Ibuprofen Caplets 256mg 16 Count - Fast-Acting Relief for Period Pain Headaches Migraines Cold & Flu Symptoms**Nurofen**£2.75**4.7★**▲ 47%**](https://www.amazon.co.uk/dp/B006GB1VDW) [**Imodium Dual Action Diarrhoea Relief (6 Tablets) Helps Restore Gut to Natural Rhythm with Loperamide Hydrochloride & Simeticone Diarrhoea Tablets for Cramping Bloating and Wind**Imodium**£3.77**4.6★**▲ 46%**](https://www.amazon.co.uk/dp/B0B3MT1L4N)
**~~View all trending →~~**
## **What buyers say about calprofen**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**21%
*“Fair Price”*
**Advertised Vs Actual Product**13%
*“As advertised”*
**Quality-Overall**12%
*“Just as good as the branded one's”*
**Efficiency**9%
*“Effective”*
**Ease Of Use**6%
*“Ease of Use”*
**Ease Of Chewing/Swallowing**4%
*“ease of swallow many thanks pete”*
**Taste-Overall**4%
*“Work extremely well very easy to take and taste minty”*
**Joint Pain**3%
*“Works well for joints that are close to surface”*
**Fever Relief**2%
*“Really effective medicine for helping reduce fever”*
**Tooth Sensitivity**2%
*“Relieves toothache, works fairly quickly”*
### **What buyers complain about **
**Value For Money**17%
*“Bit pricey”*
**Pain Relief-Overall**12%
*“Did not give satisfactory pain relief”*
**Ease Of Use**7%
*“no use”*
**Dosage**5%
*“I hate taking tablets”*
**Size-Overall**5%
*“The tablets themselves are small”*
**Functionality-Overall**4%
*“Didnt work gor me not dtrong enough my psin”*
**Taste-Overall**4%
*“Tastes awful”*
**Acid Regulator/Stomach Ache Relief**3%
*“stomach ulcers are not good”*
**Flavor**3%
*“Finally a different flavour”*
**Sleep Quality**2%
*“Made sleepy”*
### **Top return reasons **
**Size-Overall**53%
**Quality-Overall**17%
**Ease Of Use**10%
**Weight Heavy**7%
**Advertised Vs Actual Product**3%
**Material Quality**3%
**Exercise/Sports Suitability**2%
**Stitch/Finish/Polish**2%
**Leak-Proof**2%
## **Common questions**
- **Is calprofen profitable to sell on Amazon United Kingdom?**
- The niche generates £1.1M/yr across 19 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -8.3%. Flapen's verdict: Skip it (48/100).
- **How competitive is the calprofen niche?**
- 7 brands and 69 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in calprofen?**
- Top complaints mined from reviews: Value For Money, Pain Relief-Overall, Ease Of Use. The return rate is 0.0%.
- **When does demand for calprofen peak?**
- Demand peaks in Feb–Mar–Jul; the busiest month runs 2.7× the quietest.
- **What does it cost to enter the calprofen niche?**
- Listings span £1.56–£22.51; the average listing price is £5.36 (sweet spot $15–$100). The average incumbent carries 3,164 reviews — the moat a new listing must climb.
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