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lactobacillus reuteri

Worth a look

Shows low returns (0.1%), but soft demand (-25.2% this quarter) keeps it on the watch list.

Market size 20Growth 12Conversion 61Competition 35Returns 100Price range 81Avg price 95Brand share 65Review moat 77Quality gap 52

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Avg price

Incredible€23.86

avg listing price — sweet spot $15–$100

Price range

Great€7.50–€51.49

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Great457.39

avg incumbent reviews — the moat a new listing must climb

Brand share

Good66%

top-5 brand share — brands hold most of the demand

Conversion

Good5.3%

search→purchase rate — share of searches ending in a sale

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Okay64%

top-5 click share — leaders hold, buyers still browse

Market size

Bad€82K

€82K/yr · 64K searches

Growth

Bad-25.2%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon Germany niche tracking, lactobacillus reuteri is a €82K/yr Amazon Germany market (64K searches/yr). The top 5 brands hold 66% of demand. Verdict: Worth a look — 51/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

lactobacillus reuteri market data

Units sold / yr
3K–4K
avg 100–250/product
Revenue / yr
€72K–€95K
units × avg price
Conversion rate
5.3%
Avg BSR
#301
Page quality
0%
Prime
83%
Sponsored
61%
Out of stock
5.9%
Avg brand age
53 months
Avg seller age
183 days

Competition & brand share

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 rising

Sellers

53

Top-5 brand share

66%

Top 20: 100%

Top-5 click share

64%

Top 20: 100%

Open market

27%

  • TAVI22%
  • Hexagon14%
  • Coolinario12%
  • Supersmart10%
  • L1fe Nutrition7%
  • BIGAIA7%

Demand & seasonality

Weekly Amazon search volume, last 84 weeks — -25.2% search growth over the last 90 days.
3K2KSpike '25Prime Day '25Spike '26DecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

No pronounced peak months · busiest ÷ quietest = 1.4×

Top lactobacillus reuteri search terms

  • lactobacillus reuteri36K/yr
  • l reuteri11K/yr
  • reuteri9K/yr
  • l reuteri joghurt starter5K/yr
  • l. reuteri3K/yr
All 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%€16K30%€25K40%€33K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

What buyers say about lactobacillus reuteri

What buyers praise and complain about, mined from review topics.

What buyers love

Reguliert die Verdauung17%

“Wirksam für den Darm und gut einzunehmen”

Qualität insgesamt14%

“Solide Herstellungsstandards und verlässliche Produktqualität”

Einfaches Kauen/Schlucken9%

“Die Kapseln sind gut schluckbar und sehr verträglich”

beworben Vs Tatsächliches Produkt6%

“Alles bestens,genau wie beschrieben”

Geschmack6%

“Der Geschmack ist mild”

Weiches Gefühl5%

“Ein milder, cremiger Kefir”

Geschmack insgesamt5%

“schmeckt super”

Dosierung5%

“Mit 7 Kapseln auf 1L Weidemilch hat es super funktioniert”

Benutzerfreundlichkeit4%

“unkomplizierter Anwendung”

Effizienz3%

“Wirksam”

What buyers complain about

Preis-Leistungs-Verhältnis17%

“Eine insgesamt gut nutzbare Ergänzung mit angenehmem Geschmack und praktischer Anwendung, allerdings wirkt die Preisgestaltung im Verhältnis zur Menge vergleichsweise hoch”

Funktionalität insgesamt16%

“Zumindest mir hilft es gar nicht”

Nebenwirkungen5%

“Bekam Nebenwirkungen”

Dosierung5%

“Wasser, was die Einnahme etwas ungewohnt macht.”

beworben Vs Tatsächliches Produkt4%

“Verpackung also irreführend”

Sauer4%

“dann ist er schleimig”

Geschmack insgesamt4%

“Unangenehmer Geschmack”

Einfaches Kauen/Schlucken4%

“Etwas schwer verdaulich”

Säureregulator/Linderung von Magenschmerzen3%

“Jedes Mal wenn ich die genommen habe, bekam ich Bauchkrämpfe”

Verdünnt/wässrig3%

“Der Joghurt mit dem Joghurtbereiter hergestellt ist zu wässrig und schmeckt merkwürdig”

Common questions

Is lactobacillus reuteri profitable to sell on Amazon Germany?
The niche generates €82K/yr across 18 tracked products. 1 of 6 products launched in the last 360 days are still selling. 90-day search growth is -25.2%. Flapen's verdict: Worth a look (51/100).
How competitive is the lactobacillus reuteri niche?
16 brands and 53 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 66% of demand.
What do buyers complain about in lactobacillus reuteri?
Top complaints mined from reviews: Preis-Leistungs-Verhältnis, Funktionalität insgesamt, Nebenwirkungen. The return rate is 0.1%.
When does demand for lactobacillus reuteri peak?
Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the lactobacillus reuteri niche?
Listings span €7.50–€51.49; the average listing price is €23.86 (sweet spot $15–$100). The average incumbent carries 457 reviews — the moat a new listing must climb.