lactobacillus reuteri
Skip itSoft demand (-17.4% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Avg price
Great£16.42avg listing price — sweet spot $15–$100
Conversion
Good6.9%search→purchase rate — share of searches ending in a sale
Review moat
Good565.07avg incumbent reviews — the moat a new listing must climb
Price range
Good£8.04–£26.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Good74%top-5 brand share — brands hold most of the demand
Competition
Okay68%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
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.No pronounced peak months · busiest ÷ quietest = 1.5×
Top lactobacillus reuteri search terms
- lactobacillus reuteri28K/yr
- l reuteri21K/yr
- reuteri5K/yr
- l reuteri probiotic4K/yr
- l. reuteri3K/yr
- lactobacillus reuteri chewable6K/yr
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.
All 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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£20.334.5★1,700 rev
Vitamatic Lactobacillus Reuteri Complex 22 Billion CFU per Delayed Release Capsule 60 Capsules Digestive & Gut Health Support with Prebiotic Inulin Fiber
Vitamatic£12.734.6★767 rev
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£14.114.5★74 rev
BioGaia Gastrus Lactic Acid Bacteria for Gut Health | 30 Tablets | Mandarin
BioGaia£20.704.4★280 rev
Lactobacillus Reuteri 6 Billion CFU 90 Capsules Shelf Stable L Reuteri GMP UK Made Supplement
Time Health£17.774.6★155 rev
Newest
by launch date
BioGaia Gastrus Pure | Gut Health Probiotic | FODMAP Friendly | 60 Capsules
BioGaia£26.9131 rev
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£14.1174 rev
Coolinario L Reuteri Yogurt Starter (5-Pack 1g Sachets) Reuteri Probiotics
Coolinario£8.041,450 rev
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£20.4350 rev
Vitamatic Lactobacillus Reuteri Complex 22 Billion CFU per Delayed Release Capsule 60 Capsules Digestive & Gut Health Support with Prebiotic Inulin Fiber
Vitamatic£12.73767 rev
Trending
90-day click momentumBioGaia Gastrus Pure | Gut Health Probiotic | FODMAP Friendly | 60 Capsules
BioGaia£26.914.5★
Vitamatic Lactobacillus Reuteri Complex 22 Billion CFU per Delayed Release Capsule 60 Capsules Digestive & Gut Health Support with Prebiotic Inulin Fiber
Vitamatic£12.734.6★
Swanson L. Reuteri Plus 7 Billion Bacterial Cultures 30 Vegan Capsules SOYA-Free Gluten-Free GMO-Free
Swanson£8.424.4★
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£14.114.5★
Lactobacillus Reuteri 15g | 5 Billion CFU Probiotic + Chicory Root Prebiotic (Inulin) | Vegan Friendly Powder UK Made | 1g Daily (15 Servings)
Epigenetics£13.274.5★
What buyers say about lactobacillus reuteri
What buyers praise and complain about, mined from review topics.What buyers love
“digestion felt more balanced overall”
“Very good, this starter my first yogurt was delicious”
“Excellent Product”
“Helpful Addition to a Daily Routine”
“Brilliant easy to use”
“So far, the capsules have been easy to take and gentle on my system”
“It worked very well the yogurt was nice and creamy”
“No uncomfortable side effects, these are easy on the stomach and they work”
“They dont cause any issues like upset stomach”
“It has been perfect either using a fresh sachet or some in of my previous batch”
What buyers complain about
“Misleading”
“Poor quality”
“They are expensive”
“Clumps immediately however much care I take”
“Difficult to separate”
“I couldn't taste or smell anything. even sticking my nose in the tub”
“Starting taking when I found out l reuteri is lacking in most peoples tummys especially after taking antibiotics”
“this simply doesn't work”
“First, the ingredient list on the back shows multiple bacterial strains, with others appearing to be dominant rather than L. reuteri”
“.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.