calprofen
Skip itBrand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible21.5%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Market size
Great£1.1M£1.1M/yr · 940K searches
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Price range
Okay£1.56–£22.51cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay3,163.89avg incumbent reviews — the moat a new listing must climb
Growth
Bad-8.3%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Avg price
Bad£5.36avg listing price — sweet spot $15–$100
Brand share
Bad98%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
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.Peak months: Feb, Mar, Jul · busiest ÷ quietest = 2.7×
Top calprofen search terms
- imodium instants203K/yr
- nurofen181K/yr
- nurofen for children92K/yr
- medication & remedies96K/yr
- medicine45K/yr
- ibuprofen kids31K/yr
- nurofen express38K/yr
- nurofen tablets for adults21K/yr
- over-the-counter medication13K/yr
- imodium instants 36 pack23K/yr
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.
All 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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£2.344.8★5,686 rev

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£3.244.7★3,783 rev

Nurofen Express Ibuprofen Liquid Capsules 200mg 16 Count - Fast-Acting Relief for Period Pain Headaches Migraines Cold & Flu Symptoms
Nurofen£2.724.7★6,742 rev

Nurofen Express Sodium Ibuprofen Caplets 256mg 16 Count - Fast-Acting Relief for Period Pain Headaches Migraines Cold & Flu Symptoms
Nurofen£2.754.7★3,650 rev

Nurofen Ibuprofen 200mg Tablets 16 Caplets for Headache Migraine Back Pain Cold & Flu Relief 8-Hour Painkiller Over-The-Counter Medication
Nurofen£1.564.7★3,927 rev
Newest
by launch date
36 Diarrhoea Relief Instants 2mg Orodispersible Tablets (6 Packs) - Melts in The Mouth
BECKYS CHOICE£8.27136 rev

Amazon Basics Slam Medicine Balls for Exercise 4kg
Amazon Basics£16.38355 rev

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£3.772,149 rev

Nuromol Dual Action Ibuprofen Paracetamol Tablets 16 Count - Strong Painkillers for Joint Period Back Pain & Fever Relief
Nurofen£3.423,987 rev

Nurofen Ibuprofen 10% Gel 40g - Maximum Strength Pain Relief For Achilles Tendonitis Muscles Back - Anti-Inflammatory Treatment For Bones And Joint Discomfort
Nurofen£5.525,270 rev
Trending
90-day click momentum
Amazon Basics Slam Medicine Balls for Exercise 4kg
Amazon Basics£16.384.4★

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£3.244.7★

36 Diarrhoea Relief Instants 2mg Orodispersible Tablets (6 Packs) - Melts in The Mouth
BECKYS CHOICE£8.274.7★

Nurofen Express Sodium Ibuprofen Caplets 256mg 16 Count - Fast-Acting Relief for Period Pain Headaches Migraines Cold & Flu Symptoms
Nurofen£2.754.7★

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£3.774.6★
What buyers say about calprofen
What buyers praise and complain about, mined from review topics.What buyers love
“Fair Price”
“As advertised”
“Just as good as the branded one's”
“Effective”
“Ease of Use”
“ease of swallow many thanks pete”
“Work extremely well very easy to take and taste minty”
“Works well for joints that are close to surface”
“Really effective medicine for helping reduce fever”
“Relieves toothache, works fairly quickly”
What buyers complain about
“Bit pricey”
“Did not give satisfactory pain relief”
“no use”
“I hate taking tablets”
“The tablets themselves are small”
“Didnt work gor me not dtrong enough my psin”
“Tastes awful”
“stomach ulcers are not good”
“Finally a different flavour”
“Made sleepy”
Top return reasons
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.