---
title: "Lactobacillus Reuteri — £76K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/lactobacillus-reuteri"
last_updated: "2026-07-31T14:22:43.999Z"
locale: en
meta:
description: "Niche score 48/100 · £76K/yr market · 67K searches/yr · £16.42 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · £76K/yr market · 67K searches/yr · £16.42 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Lactobacillus Reuteri — £76K/yr Amazon UK Niche (2026) - Flapen"
---
# **lactobacillus reuteri**
**Skip it**
Soft demand (-17.4% this quarter) — this niche doesn't clear our bar today.
Market size 19Growth 16Conversion 74Competition 28Returns 100Price range 63Avg price 79Brand share 51Review moat 73Quality gap 53
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****£16.42**
avg listing price — sweet spot $15–$100
**Conversion**
**Good****6.9%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****565.07**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****£8.04–£26.91**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Good****74%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****68%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Bad****£76K**
£76K/yr · 67K searches
**Growth**
**Bad****-17.4%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, lactobacillus reuteri is a £76K/yr Amazon United Kingdom market (67K searches/yr). The top 5 brands hold 74% of demand. Verdict: Skip it — 48/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **lactobacillus reuteri market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **£66K–£82K**
- units × avg price
- **Conversion rate**
- **6.9%**
- **Avg BSR**
- **#204**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **80%**
- **Out of stock**
- **0.5%**
- **Avg brand age**
- **60 months**
- **Avg seller age**
- **169 days**
## **Competition & brand share**
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▲rising
**Sellers**
**21**
**Top-5 brand share**
**74%**
Top 20: 100%
**Top-5 click share**
**68%**
Top 20: 100%
**Open market**
**20%**
- Toniiq26% - BioGaia14% - Vitamatic13% - Roundway Supplements11% - Time Health10% - L1fe Nutrition5%
## **Demand & seasonality**
Weekly Amazon search volume, last 91 weeks — -17.4% search growth over the last 90 days.
3K2KHoliday '24Spike '25Prime Day '25Spike '26 seasonNovDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/lactobacillus-reuteri/trend)
## **Top lactobacillus reuteri search terms**
- **lactobacillus reuteri**28K/yr-23.8%5.0% conv. - **l reuteri**21K/yr-12.6%5.4% conv. - **reuteri**5K/yr-13.7%5.1% conv. - **l reuteri probiotic**4K/yr+0.2%6.0% conv. - **l. reuteri**3K/yr-19.3%5.1% conv. - **lactobacillus reuteri chewable**6K/yr-11.0%2.2% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/lactobacillus-reuteri/search-terms)
## **Top lactobacillus reuteri 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%£8K20%£15K30%£23K40%£30K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Toniiq 50 Billion CFU Lactobacillus Reuteri Probiotic 50mg per Serving - L Reuteri Probiotics - Highest CFU Count Lactobacillus Reuteri Probiotic - 60 Vegetarian Capsules - 60 Servings**Toniiq**£20.33**4.5★1,700 rev](https://www.amazon.co.uk/dp/B0C6RHWK6M) [2**Vitamatic Lactobacillus Reuteri Complex 22 Billion CFU per Delayed Release Capsule 60 Capsules Digestive & Gut Health Support with Prebiotic Inulin Fiber**Vitamatic**£12.73**4.6★767 rev](https://www.amazon.co.uk/dp/B0CJQKQNWX) [3**Lactobacillus Reuteri Probiotic Capsules | High Strength L Reuteri 10 Billion CFU Probiotics | 2 Months Supply for Women & Men with Added Inulin Prebiotic by Roundway Supplements**Roundway Supplements**£14.11**4.5★74 rev](https://www.amazon.co.uk/dp/B0FQJNPHWH) [4**BioGaia Gastrus Lactic Acid Bacteria for Gut Health | 30 Tablets | Mandarin**BioGaia**£20.70**4.4★280 rev](https://www.amazon.co.uk/dp/B0BWGC5JZC) [5**Lactobacillus Reuteri 6 Billion CFU 90 Capsules Shelf Stable L Reuteri GMP UK Made Supplement**Time Health**£17.77**4.6★155 rev](https://www.amazon.co.uk/dp/B0CSH15ZNL)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**BioGaia Gastrus Pure | Gut Health Probiotic | FODMAP Friendly | 60 Capsules**BioGaia**£26.91**31 rev9mo ago](https://www.amazon.co.uk/dp/B0FTGBMV4X) [**Lactobacillus Reuteri Probiotic Capsules | High Strength L Reuteri 10 Billion CFU Probiotics | 2 Months Supply for Women & Men with Added Inulin Prebiotic by Roundway Supplements**Roundway Supplements**£14.11**74 rev10mo ago](https://www.amazon.co.uk/dp/B0FQJNPHWH) [**Coolinario L Reuteri Yogurt Starter (5-Pack 1g Sachets) Reuteri Probiotics**Coolinario**£8.04**1,450 rev1y ago](https://www.amazon.co.uk/dp/B0DYWVXT8X) [**Lactobacillus Reuteri 50g | Yoghurt Starter Culture Kit | 5 Billion CFU Probiotic + Chicory Root Prebiotic (Inulin) | Vegan Friendly Powder UK Made | 1g Daily (50 Servings)**Epigenetics**£20.43**50 rev1y ago](https://www.amazon.co.uk/dp/B0F74Q4WSG) [**Vitamatic Lactobacillus Reuteri Complex 22 Billion CFU per Delayed Release Capsule 60 Capsules Digestive & Gut Health Support with Prebiotic Inulin Fiber**Vitamatic**£12.73**767 rev1y ago](https://www.amazon.co.uk/dp/B0CJQKQNWX)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**BioGaia Gastrus Pure | Gut Health Probiotic | FODMAP Friendly | 60 Capsules**BioGaia**£26.91**4.5★**▲ 208%**](https://www.amazon.co.uk/dp/B0FTGBMV4X) [**Vitamatic Lactobacillus Reuteri Complex 22 Billion CFU per Delayed Release Capsule 60 Capsules Digestive & Gut Health Support with Prebiotic Inulin Fiber**Vitamatic**£12.73**4.6★**▲ 101%**](https://www.amazon.co.uk/dp/B0CJQKQNWX) [**Swanson L. Reuteri Plus 7 Billion Bacterial Cultures 30 Vegan Capsules SOYA-Free Gluten-Free GMO-Free**Swanson**£8.42**4.4★**▲ 38%**](https://www.amazon.co.uk/dp/B0CXY28FGB) [**Lactobacillus Reuteri Probiotic Capsules | High Strength L Reuteri 10 Billion CFU Probiotics | 2 Months Supply for Women & Men with Added Inulin Prebiotic by Roundway Supplements**Roundway Supplements**£14.11**4.5★**— 6%**](https://www.amazon.co.uk/dp/B0FQJNPHWH) [**Lactobacillus Reuteri 15g | 5 Billion CFU Probiotic + Chicory Root Prebiotic (Inulin) | Vegan Friendly Powder UK Made | 1g Daily (15 Servings)**Epigenetics**£13.27**4.5★**— 6%**](https://www.amazon.co.uk/dp/B0CKRGMT7R)
**~~View all trending →~~**
## **What buyers say about lactobacillus reuteri**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Regulates Digestion**9%
*“digestion felt more balanced overall”*
**Taste-Overall**8%
*“Very good, this starter my first yogurt was delicious”*
**Quality-Overall**8%
*“Excellent Product”*
**Nutritional Content**7%
*“Helpful Addition to a Daily Routine”*
**Ease Of Use**7%
*“Brilliant easy to use”*
**Ease Of Chewing/Swallowing**4%
*“So far, the capsules have been easy to take and gentle on my system”*
**Soft Feel**4%
*“It worked very well the yogurt was nice and creamy”*
**Side Effects**4%
*“No uncomfortable side effects, these are easy on the stomach and they work”*
**Acid Regulator/Stomach Ache Relief**3%
*“They dont cause any issues like upset stomach”*
**Freshness**2%
*“It has been perfect either using a fresh sachet or some in of my previous batch”*
### **What buyers complain about **
**Advertised Vs Actual Product**12%
*“Misleading”*
**Quality-Overall**12%
*“Poor quality”*
**Value For Money**7%
*“They are expensive”*
**Chunk/Clump/Collection**5%
*“Clumps immediately however much care I take”*
**Ease Of Use**5%
*“Difficult to separate”*
**Taste-Overall**4%
*“I couldn't taste or smell anything. even sticking my nose in the tub”*
**Dosage**2%
*“Starting taking when I found out l reuteri is lacking in most peoples tummys especially after taking antibiotics”*
**Functionality-Overall**2%
*“this simply doesn't work”*
**Ingredients-Overall**2%
*“First, the ingredient list on the back shows multiple bacterial strains, with others appearing to be dominant rather than L. reuteri”*
**Leak-Proof**2%
*“.I have leaky gut”*
## **Common questions**
- **Is lactobacillus reuteri profitable to sell on Amazon United Kingdom?**
- The niche generates £76K/yr across 15 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -17.4%. Flapen's verdict: Skip it (48/100).
- **How competitive is the lactobacillus reuteri niche?**
- 12 brands and 21 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 74% of demand.
- **What do buyers complain about in lactobacillus reuteri?**
- Top complaints mined from reviews: Advertised Vs Actual Product, Quality-Overall, Value For Money. The return rate is 0.1%.
- **When does demand for lactobacillus reuteri peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the lactobacillus reuteri niche?**
- Listings span £8.04–£26.91; the average listing price is £16.42 (sweet spot $15–$100). The average incumbent carries 565 reviews — the moat a new listing must climb.
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