---
title: "Fibre Supplement — £552K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/fibre-supplement"
last_updated: "2026-07-31T10:29:49.744Z"
locale: en
meta:
description: "Niche score 57/100 · £552K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 57/100 · £552K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Fibre Supplement — £552K/yr Amazon UK Niche (2026) - Flapen"
---
# **fibre supplement**
**Worth a look**
Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 62Growth 20Conversion 79Competition 52Returns 100Price range 29Avg price 39Brand share 75Review moat 61Quality gap 53
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****7.9%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Great****60%**
top-5 brand share — no brand owns this niche
**Market size**
**Good****£552K**
£552K/yr · 652K searches
**Review moat**
**Good****1,061.96**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Avg price**
**Okay****£10.72**
avg listing price — sweet spot $15–$100
**Price range**
**Okay****£6.69–£18.38**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Bad****-9.2%**
90-day search growth — must beat 0% to launch
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United Kingdom niche tracking, fibre supplement is a £552K/yr Amazon United Kingdom market (652K searches/yr). The top 5 brands hold 60% of demand. Verdict: Worth a look — 57/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **fibre supplement market data**
- **Units sold / yr**
- **50K–60K**
- avg 2,000–2,500/product
- **Revenue / yr**
- **£536K–£643K**
- units × avg price
- **Conversion rate**
- **7.9%**
- **Avg BSR**
- **#26**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **96%**
- **Out of stock**
- **0.6%**
- **Avg brand age**
- **52 months**
- **Avg seller age**
- **161 days**
## **Competition & brand share**
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**21 **▲rising
**Sellers**
**52**
**Top-5 brand share**
**60%**
Top 20: 99%
**Top-5 click share**
**54%**
Top 20: 97%
**Open market**
**34%**
- Nutrivo19% - WeightWorld14% - NEW LEAF PRODUCTS13% - NKD Living7% - Inspiriko6% - Well Within6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -9.2% search growth over the last 90 days.
15K10KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/fibre-supplement/trend)
## **Top fibre supplement search terms**
- **fibre supplement**275K/yr-13.1%7.6% conv. - **fibre**114K/yr-6.6%4.2% conv. - **fiber supplement**72K/yr-13.1%6.6% conv. - **soluble fibre**33K/yr-12.3%4.8% conv. - **fiber**30K/yr-9.8%3.4% conv. - **fibre supplements**26K/yr-20.8%3.4% conv. - **high fibre**17K/yr-5.7%2.3% conv. - **bioactive fibre**9K/yr+382.9%0.8% conv. - **fibre tablets**17K/yr-4.4%8.8% conv. - **bio active fibre**8K/yr+46.4%0.3% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/fibre-supplement/search-terms)
## **Top fibre supplement 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%5%£28K10%£55K15%£83K20%£110K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 23 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Fibre Supplement - Psyllium Husk 5000mg (500mg of 10:1 Extract) & Probiotic 400 Million CFU Lactobacillus Acidophilus Digestive Gut Health Support & Stool Softener -120 Psyllium Husks Capsules**Nutrivo**£6.81**4.5★203 rev](https://www.amazon.co.uk/dp/B0FH2P6PN2) [2**Organic Psyllium Husk Capsules - 1400mg per Serving - 180 Capsules**WeightWorld**£9.21**4.5★2,363 rev](https://www.amazon.co.uk/dp/B0B1QQNZ2S) [3**Fibre Supplement 4000mg Psyllium Husk with Acidophilus - High Strength - Natural Soluble Fiber Supplement from Plantago Ovata Seeds 120 Psyllium Husks Capsules Vegan UK Made by New Leaf**NEW LEAF PRODUCTS**£10.47**4.4★3,562 rev](https://www.amazon.co.uk/dp/B08WM1VP8V) [4**15g Soluble Fibre Supplement - 50% NHS Daily Intake (2 Servings). 6-in-1 Fiber Supplement Powder with Inulin Prebiotic Fibre Powder FOS Acacia & Probiotics. Tasteless Dissolves Easy 30 Servings**Inspiriko**£16.50**4.4★1,947 rev](https://www.amazon.co.uk/dp/B0D2NZX7KR) [5**12g Soluble Fibre Supplement 3in1 Fibre Powder Well Within**Well Within**£13.77**4.3★646 rev](https://www.amazon.co.uk/dp/B09NZK9Y6V)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Physis Fibre Gummies 3000mg - High Fibre Supplement | Natural Inulin Soluble Fiber | Chicory Root Digestive System Support | Prebiotics for Gut Health | Vegan Natural Orange 60 x Gummies | 1 Month**Physis**£8.14**46 rev4mo ago](https://www.amazon.co.uk/dp/B0GRHF7FJF) [**Psyllium Husk 10000mg with Acidophilus 1 Billion CFU 120 Vegan Capsules | Natural Soluble Fibre Supplement from Plantago Ovata Seeds Made in The UK by Prowise Healthcare**PH PROWISE Healthcare**£10.52**94 rev8mo ago](https://www.amazon.co.uk/dp/B0G3B81XPV) [**Vinco Fibre Supplement 5000mg Psyllium Husk with Acidophilus - High Strength Natural Soluble Fiber from Plantago Ovata Seeds for Digestive Health and Gut Support - 120 Psyllium Husks Capsules**Vinco Supplements**£7.39**123 rev9mo ago](https://www.amazon.co.uk/dp/B0FW6P4NKY) [**Bio.Me Prebio PHGG (150g Tin - 30 Day Supply) - Prebiotic Fibre Powder Supplement - Water Soluble Fibre to Support Microbial Bacteria Diversity in The Gut - Vegan Friendly & Gluten Free - by Invivo**invivo**£18.38**83 rev10mo ago](https://www.amazon.co.uk/dp/B0FQBYN6CH) [**Fibre Supplement - Psyllium Husk 5000mg (500mg of 10:1 Extract) & Probiotic 400 Million CFU Lactobacillus Acidophilus Digestive Gut Health Support & Stool Softener -120 Psyllium Husks Capsules**Nutrivo**£6.81**203 rev10mo ago](https://www.amazon.co.uk/dp/B0FH2P6PN2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Physis Fibre Gummies 3000mg - High Fibre Supplement | Natural Inulin Soluble Fiber | Chicory Root Digestive System Support | Prebiotics for Gut Health | Vegan Natural Orange 60 x Gummies | 1 Month**Physis**£8.14**4.7★**▲ 261%**](https://www.amazon.co.uk/dp/B0GRHF7FJF) [**Bulk Fibre Plus Unflavoured 480g**Bulk**£9.64**4.1★**▲ 186%**](https://www.amazon.co.uk/dp/B0F632R1TT) [**Bio.Me Prebio PHGG (150g Tin - 30 Day Supply) - Prebiotic Fibre Powder Supplement - Water Soluble Fibre to Support Microbial Bacteria Diversity in The Gut - Vegan Friendly & Gluten Free - by Invivo**invivo**£18.38**4.7★**▲ 155%**](https://www.amazon.co.uk/dp/B0FQBYN6CH) [**Fibre Supplement 4000mg Psyllium Husk with Acidophilus - High Strength - Natural Soluble Fiber Supplement from Plantago Ovata Seeds 360 Psyllium Husks Capsules Vegan Made in UK by New Leaf**NEW LEAF PRODUCTS**£15.44**4.4★**▲ 126%**](https://www.amazon.co.uk/dp/B0CKTPYXRW) [**Soluble Fibre Powder Supplement 210g - Prebiotic Soluble Fibre Powder from Multiple Sources - 12g Fibre Per 2 Scoop Serving - Fibre Supplement for Men & Women UK Made**Freak Athletics**£7.73**4.6★**▲ 84%**](https://www.amazon.co.uk/dp/B0DXCTCHRY)
**~~View all trending →~~**
## **What buyers say about fibre supplement**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**12%
*“Great product as usual”*
**Nutritional Content**10%
*“The probiotic addition is a nice touch”*
**Advertised Vs Actual Product**10%
*“As described”*
**Value For Money**9%
*“Excellent value for money”*
**Taste-Overall**8%
*“These gummies taste absolutely incredible”*
**Regulates Digestion**7%
*“Helps with constipation”*
**Ease Of Use**6%
*“easy to open”*
**Ease Of Chewing/Swallowing**4%
*“Nice and chewable”*
**Efficiency**4%
*“Works well”*
**Solubility**3%
*“It dissolves in drinks easily”*
### **What buyers complain about **
**Functionality-Overall**11%
*“Did not work”*
**Taste-Overall**8%
*“It is virtually tasteless”*
**Value For Money**6%
*“Waste of money”*
**Dosage**5%
*“Not worked for myself as others have said either the dosage is wrong or this is an inferior product”*
**Regulates Digestion**5%
*“occasional mild digestive discomfort”*
**Nutritional Content**4%
*“you cant seem to get enough fiber in through your diet”*
**Size-Overall**4%
*“The size seems a little large”*
**Ingredients-Overall**2%
*“Incorrect ingredient information”*
**Advertised Vs Actual Product**2%
*“False advertising”*
**Acid Regulator/Stomach Ache Relief**2%
*“I am a little prone to bloating”*
## **Common questions**
- **Is fibre supplement profitable to sell on Amazon United Kingdom?**
- The niche generates £552K/yr across 23 tracked products. 5 of 5 products launched in the last 360 days are still selling. 90-day search growth is -9.2%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the fibre supplement niche?**
- 21 brands and 52 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 60% of demand.
- **What do buyers complain about in fibre supplement?**
- Top complaints mined from reviews: Functionality-Overall, Taste-Overall, Value For Money. The return rate is 0.0%.
- **When does demand for fibre supplement peak?**
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- **What does it cost to enter the fibre supplement niche?**
- Listings span £6.69–£18.38; the average listing price is £10.72 (sweet spot $15–$100). The average incumbent carries 1,062 reviews — the moat a new listing must climb.
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