---
title: "Fibre for Dogs — £1.0M/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/pet-supplies/fibre-for-dogs"
last_updated: "2026-07-31T11:24:06.216Z"
locale: en
meta:
description: "Niche score 48/100 · £1.0M/yr market · 293K searches/yr · £14.91 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · £1.0M/yr market · 293K searches/yr · £14.91 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Fibre for Dogs — £1.0M/yr Amazon UK Niche (2026) - Flapen"
---
# **fibre for dogs**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 78Growth 24Conversion 100Competition 10Returns 100Price range 60Avg price 74Brand share 0Review moat 24Quality gap 30
**Conversion**
**Incredible****23.7%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Market size**
**Great****£1.0M**
£1.0M/yr · 293K searches
**Avg price**
**Good****£14.91**
avg listing price — sweet spot $15–$100
**Price range**
**Good****£9.88–£22.64**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-3.0%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****6,579.56**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****88%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, fibre for dogs is a £1.0M/yr Amazon United Kingdom market (293K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan. Verdict: Skip it — 48/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **fibre for dogs market data**
- **Units sold / yr**
- **60K–80K**
- avg 6,000–8,000/product
- **Revenue / yr**
- **£895K–£1.2M**
- units × avg price
- **Conversion rate**
- **23.7%**
- **Avg BSR**
- **#8**
- **Page quality**
- **0%**
- **Prime**
- **89%**
- **Sponsored**
- **11%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **51 months**
- **Avg seller age**
- **170 days**
## **Competition & brand share**
The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**3 **▼falling
**Sellers**
**32**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**88%**
Top 20: 100%
**Open market**
**0%**
- Protexin58% - Protexin Veterinary32% - Simply Pets Online9%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -3.0% search growth over the last 90 days.
10K6KSpike '24Holiday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/uk/pet-supplies/fibre-for-dogs/trend)
## **Top fibre for dogs search terms**
- **protexin**72K/yr+22.0%15.8% conv. - **protexin pro fibre for dogs**44K/yr-21.0%27.7% conv. - **protexin for dogs**24K/yr+1.9%12.3% conv. - **fibre for dogs**21K/yr-8.8%8.9% conv. - **pro fibre for dogs**33K/yr-22.4%26.0% conv. - **fibor for dogs uk**13K/yr+11.2%23.8% conv. - **profibre for dogs uk**16K/yr-14.0%29.4% conv. - **dog fibre**10K/yr+1.5%18.9% conv. - **dog fibre supplement**11K/yr-10.8%14.7% conv. - **fibor**6K/yr+32.1%19.9% conv. [**All search terms **](https://flapen.com/research/uk/pet-supplies/fibre-for-dogs/search-terms)
## **Top fibre for dogs 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%£155K30%£310K45%£464K60%£619K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Protexin Pro-Fibre for Dogs High-Fibre Digestive Supplement with Prebiotics & Postbiotics Fibre for Dogs to Support Gut Health Immune Anal Glands & Stool Support Protexin Dog Supplement 500g**Protexin**£11.06**4.6★8,757 rev](https://www.amazon.co.uk/dp/B00BEXP5MA) [2**Protexin Pro-Fibre Advanced for Dogs and Cats**Protexin Veterinary**£16.77**4.5★102 rev](https://www.amazon.co.uk/dp/B0FSSRRF68) [3**Protexin Veterinary Pro-Kolin Advanced for Dogs Advanced for Dogs 60 ml**Protexin Veterinary**£19.67**4.7★6,380 rev](https://www.amazon.co.uk/dp/B07K18P237) [4**Simply Pets Online Fibor Fiber Supplement for Dogs and Cats Gut Health**Simply Pets Online**£22.64**4.5★1,780 rev](https://www.amazon.co.uk/dp/B01MSIYEWD) [5**Protexin Pro-Kolin Probiotic & Prebiotic Digestive Support Paste for Dogs & Cats Fast-Acting Gut Soothing Formula with Kaolin Helps Firm Stools Vet Recommended 30ml Syringe**Protexin**£11.85**4.6★15,379 rev](https://www.amazon.co.uk/dp/B003Y3XLH4)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Protexin Pro-Fibre Advanced for Dogs and Cats**Protexin Veterinary**£16.77**102 rev10mo ago](https://www.amazon.co.uk/dp/B0FSSRRF68) [**Protexin Veterinary PlaqEase Dental Powder for Dogs and Cats Helps Reduce Plaque Tartar and Bad Breath Easy Daily Oral Care Supplement 75g**Protexin Veterinary**£11.15**346 rev1y ago](https://www.amazon.co.uk/dp/B0FCSB4NDM) [**Protexin Veterinary Pro-Kolin Advanced for Dogs Advanced for Dogs 60 ml**Protexin Veterinary**£19.67**6,380 rev7y ago](https://www.amazon.co.uk/dp/B07K18P237) [**Pro-Kolin Advanced Dogs 30ml Syringes**Protexin Veterinary**£14.87**12,570 rev7y ago](https://www.amazon.co.uk/dp/B07K19KWM2) [**Pro-Kolin Advanced Dogs 15ml Syringes**Protexin Veterinary**£9.88**12,570 rev7y ago](https://www.amazon.co.uk/dp/B07JZN1KGJ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Protexin Pro-Kolin Probiotic & Prebiotic Digestive Support Paste for Dogs & Cats Fast-Acting Gut Soothing Formula with Kaolin Helps Firm Stools Vet Recommended 30ml Syringe**Protexin**£11.85**4.6★**▲ 58%**](https://www.amazon.co.uk/dp/B003Y3XLH4) [**Protexin Pro-Fibre Advanced for Dogs and Cats**Protexin Veterinary**£16.77**4.5★**▲ 43%**](https://www.amazon.co.uk/dp/B0FSSRRF68) [**Protexin Veterinary PlaqEase Dental Powder for Dogs and Cats Helps Reduce Plaque Tartar and Bad Breath Easy Daily Oral Care Supplement 75g**Protexin Veterinary**£11.15**4.1★**▲ 20%**](https://www.amazon.co.uk/dp/B0FCSB4NDM) [**Protexin Veterinary Pro-Kolin Advanced for Dogs Advanced for Dogs 60 ml**Protexin Veterinary**£19.67**4.7★**▲ 15%**](https://www.amazon.co.uk/dp/B07K18P237) [**Pro-Kolin Advanced Dogs 15ml Syringes**Protexin Veterinary**£9.88**4.7★**— 8%**](https://www.amazon.co.uk/dp/B07JZN1KGJ)
**~~View all trending →~~**
## **What buyers say about fibre for dogs**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**20%
*“Excellent Product”*
**Value For Money**15%
*“Excellent value for money”*
**Ease Of Use**10%
*“Easy to use”*
**Pet Friendly**10%
*“Really good for my dog”*
**Soothing/Teething**9%
*“Calms my little dog's tummy straightaway”*
**Advertised Vs Actual Product**6%
*“Does what it says”*
**Taste-Overall**4%
*“Excellent, always works, Dog loved taste of paste, clicked straight from spoon”*
**Flavor**3%
*“The meat-free beef-flavored pellets are easy to mix with food and well accepted”*
**Soft Feel**3%
*“both had had a solid poo. soft”*
**Breathability**3%
*“huge improvement in her breath”*
### **What buyers complain about **
**Value For Money**20%
*“Expensive”*
**Functionality-Overall**19%
*“recently we found it to be not very effective”*
**Indigestion**14%
*“Gave dog diarrhea”*
**Smell**5%
*“my dig is 10 years old and her whole life she's mainly had runny poos and smelly gas”*
**Size-Overall**5%
*“Very loose stools”*
**Taste-Overall**4%
*“Not to my dog's taste”*
**Color**4%
*“the last purchase was reformulated, darker in colour and stickier”*
**Allergies**3%
*“Allergic reaction”*
**Comfort-Overall**2%
*“obviously felt uncomfortable because I had to encourage him to eat”*
**Durability**2%
*“Doesnt last”*
### **Top return reasons **
**Certifications**50%
**Advertised Vs Actual Product**50%
## **Common questions**
- **Is fibre for dogs profitable to sell on Amazon United Kingdom?**
- The niche generates £1.0M/yr across 9 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -3.0%. Flapen's verdict: Skip it (48/100).
- **How competitive is the fibre for dogs niche?**
- 3 brands and 32 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in fibre for dogs?**
- Top complaints mined from reviews: Value For Money, Functionality-Overall, Indigestion. The return rate is 0.1%.
- **When does demand for fibre for dogs peak?**
- Demand peaks in Jan; the busiest month runs 1.5× the quietest.
- **What does it cost to enter the fibre for dogs niche?**
- Listings span £9.88–£22.64; the average listing price is £14.91 (sweet spot $15–$100). The average incumbent carries 6,580 reviews — the moat a new listing must climb.
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