---
title: "Lactobacillus Gasseri — $46K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/lactobacillus-gasseri"
last_updated: "2026-08-12T15:18:57.023Z"
locale: en
meta:
description: "Amazon product research for lactobacillus gasseri: $46K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for lactobacillus gasseri: $46K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Lactobacillus Gasseri — $46K/mo Amazon US Product Research"
---
# **Lactobacillus Gasseri**
**Worth a look**
Shows low returns (0.0%), but soft demand (-11.4% this quarter) keeps it on the watch list.
Market size 62Growth 19Conversion 68Competition 35Returns 100Price range 90Avg price 95Brand share 50Review moat 21Quality gap 33
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$35.42**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.03–$84.40**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****6.1%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Good****$555K**
$555K/yr · 257K searches
**Brand share**
**Good****75%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****64%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****11,216.7**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-11.4%**
90-day search growth — must beat 0% to launch
## **Is lactobacillus gasseri profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, lactobacillus gasseri is a $555K/yr Amazon United States market (257K searches/yr). The top 5 brands hold 75% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **lactobacillus gasseri market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **20K–25K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **$708K–$886K**
- units × avg price
- **Conversion rate**
- **6.1%**
- **Avg BSR**
- **#596**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **90%**
- **Out of stock**
- **4.0%**
- **Avg brand age**
- **71 months**
- **Avg seller age**
- **146 days**
## **Competition: brands, sellers & click share**
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▲rising
**Sellers**
**51**
**Top-5 brand share**
**75%**
Top 20: 100%
**Top-5 click share**
**64%**
Top 20: 100%
**Open market**
**17%**
- Dr. Mercola27% - AceBiome15% - Swanson12% - Natural Foundation Supplements11% - Vitamatic11% - BLIVA NUTRITION8% - Open — no brand owns it (6 brands, 17%)
## **lactobacillus gasseri demand & seasonality**
Weekly Amazon search volume, last 98 weeks — -11.4% search growth over the last 90 days.
7K5KSpike '24Spike '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/health-household/lactobacillus-gasseri/trend)
## **Top lactobacillus gasseri search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **lactobacillus gasseri**81K/yr-21.2%8.8% conv. - **bnr17**21K/yr+6.5%3.3% conv. - **lactobacillus gasseri bnr17**16K/yr+0.5%5.2% conv. - **dr mercola probiotic**16K/yr+12.4%6.5% conv. - **l gasseri**18K/yr-25.3%6.7% conv. - **bnr17 probiotics**14K/yr+11.3%3.8% conv. - **bnr17 korean**10K/yr+4.3%2.9% conv. - **l gasseri probiotics**14K/yr-54.7%6.6% conv. - **l. gasseri probiotic**7K/yr-8.3%2.1% conv. - **dr mercola probiotics**5K/yr+74.1%2.2% conv. [**All search terms **](https://flapen.com/research/us/health-household/lactobacillus-gasseri/search-terms)
## **Top lactobacillus gasseri products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
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%$111K101001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 20 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Dr. Mercola Biothin Probiotic - Lactobacillus Gasseri BNR17 - Supports Digestive Health & Metabolism - 30 Delayed-Release Capsules (30 Servings)**Dr. Mercola**$29.39**4.6★1,143 rev](https://www.amazon.com/dp/B09CSFTM24) [2**AceBiome BNRThin S30 Lactobacillus Gasseri BNR17 10 Billion CFU Guaranteed 30Capsules**AceBiome**$51.57**4.4★392 rev](https://www.amazon.com/dp/B0C7C4TJZR) [3**Swanson Lactobacillus Gasseri Probiotic for Adults Seeking Digestive and Metabolic Support with 3 Billion CFU - Acid-Resistant No Refrigeration (60 Vegan Capsules)**Swanson**$19.70**4.4★4,458 rev](https://www.amazon.com/dp/B00OLQLS64) [4**Lactobacillus Gasseri Probiotic 240 Tablets (4 Month Supply) Researched Strain LG08 3 Billion CFU Digestive Health & Antioxidant Support GMP Certified (240 Lactobacillus Gasseri)**Natural Foundation Supplements**$10.03**4.5★303 rev](https://www.amazon.com/dp/B0CWVNPPKR) [5**Vitamatic Lactobacillus Gasseri - 12 Billion per DR Capsule - 60 Count - Digestive Support - Made with Prebiotic Inulin Fiber**Vitamatic**$14.66**4.6★445 rev](https://www.amazon.com/dp/B0CJQMH9N6)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**BLIVA Lactobacillus Gasseri Capsules L Gasseri - 50 Billion CFU per Serving - Highest CFU Count L. Gasseri Supplement - 90 Capsules**BLIVA NUTRITION**$19.55**64 rev9mo ago](https://www.amazon.com/dp/B0FTXTG4J2) [**Lactobacillus Gasseri - Ultra High Strength 50 Billion CFU - Delayed Release Capsules - Made with Prebiotic Inulin Fiber - Supports Digestive Health & Gut Flora - Third-Party Lab Tested - 60 Capsules**Toniiq**$19.30**159 rev1y ago](https://www.amazon.com/dp/B0DW8W2VWC) [**Lactobacillus Gasseri Probiotic 240 Tablets (4 Month Supply) Researched Strain LG08 3 Billion CFU Digestive Health & Antioxidant Support GMP Certified (240 Lactobacillus Gasseri)**Natural Foundation Supplements**$10.03**303 rev2y ago](https://www.amazon.com/dp/B0CWVNPPKR) [**Vitamatic Lactobacillus Gasseri Probiotic Powder - Digestive Health Support - 100 Gram (3.5 OZ) - 100 Servings**Vitamatic**$36.70**53 rev2y ago](https://www.amazon.com/dp/B0D3J48S5F) [**Vitamatic Lactobacillus Gasseri - 12 Billion per DR Capsule - 60 Count - Digestive Support - Made with Prebiotic Inulin Fiber**Vitamatic**$14.66**445 rev2y ago](https://www.amazon.com/dp/B0CJQMH9N6)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Dr. Mercola Complete Afterbiotics - 18 Billion CFU - Supports Digestive & Immune Health - SBOs - with Saccharomyces boulardii - Non-GMO & Gluten-Free - 30 Capsules (30 Servings)**Dr. Mercola**$29.35**4.6★**▲ 192%**](https://www.amazon.com/dp/B08N6Z98JF) [**Dr. Mercola Biothin Probiotic - Lactobacillus Gasseri BNR17 - Supports Digestive Health & Metabolism - 90 Delayed-Release Capsules (90 Servings)**Dr. Mercola**$79.74**4.6★**▲ 103%**](https://www.amazon.com/dp/B09WFVP7BF) [**BLIVA Lactobacillus Gasseri Capsules L Gasseri - 50 Billion CFU per Serving - Highest CFU Count L. Gasseri Supplement - 90 Capsules**BLIVA NUTRITION**$19.55**4.4★**▲ 81%**](https://www.amazon.com/dp/B0FTXTG4J2) [**Dr. Mercola Complete Probiotics for Women - Supports Gut Vaginal & Immune Health - Contains Lactobacillus Strains - Non-GMO Gluten-Free & Soy-Free - 90 Capsules (90 Servings)**Dr. Mercola**$84.40**4.7★**▲ 32%**](https://www.amazon.com/dp/B0785G4VPS) [**Physicians CHOICE Probiotics for Women - PH Balance Digestive UT & Feminine Health - 50 Billion CFU - 6 Unique Strains for Her - Organic Prebiotics Cranberry Extract+ - Women Probiotic - 30 CT**Physician's CHOICE**$23.06**4.6★**▲ 17%**](https://www.amazon.com/dp/B07B8BSGPL)
**~~View all trending →~~**
## **What reviews say buyers love and hate about lactobacillus gasseri**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“This one is a quality blend”*
**Nutritional Content**15%
*“The best probiotic ever”*
**Regulates Digestion**12%
*“it didn't cause any digestive upset”*
**Efficiency**10%
*“Works Well”*
**Acid Regulator/Stomach Ache Relief**6%
*“helps my stomach”*
**Value For Money**6%
*“Great deal”*
**Advertised Vs Actual Product**4%
*“Arrived as described”*
**Ease Of Chewing/Swallowing**3%
*“Ease of swallow”*
**Side Effects**3%
*“Doesn't cause any side effects for me”*
**Ease Of Use**3%
*“Ease of use”*
### **What buyers complain about **
**Functionality-Overall**16%
*“Did not work”*
**Acid Regulator/Stomach Ache Relief**12%
*“Severe stomach pain”*
**Regulates Digestion**9%
*“Bloating and Constipation”*
**Value For Money**9%
*“Too expensive”*
**Side Effects**4%
*“Significant Bad Side Effects”*
**Dosage**4%
*“Misrepresented number of capsules in the bottle”*
**Nutritional Content**3%
*“Cannot confirm health benefits”*
**Allergies**3%
*“Allergic reaction”*
**Taste-Overall**2%
*“Its a tasteless capsule”*
**Quality-Overall**2%
*“Quality control apparently non-existent”*
### **Top return reasons **
**Functionality-Overall**32%
**Value For Money**23%
**Acid Regulator/Stomach Ache Relief**9%
**Certifications**5%
**Ease Of Cleaning**5%
**Quality-Overall**5%
**Side Effects**5%
**Accuracy-Overall**5%
**Leak-Proof**5%
**Joint Pain**5%
## **Common lactobacillus gasseri questions**
- **Is lactobacillus gasseri profitable to sell on Amazon United States?**
- The niche generates $555K/yr across 20 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -11.4%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the lactobacillus gasseri niche?**
- 12 brands and 51 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 75% of demand.
- **What do buyers complain about in lactobacillus gasseri?**
- Top complaints mined from reviews: Functionality-Overall, Acid Regulator/Stomach Ache Relief, Regulates Digestion. The return rate is 0.0%.
- **When does demand for lactobacillus gasseri peak?**
- Demand is steady year-round — the busiest month runs 1.8× the quietest.
- **What does it cost to enter the lactobacillus gasseri niche?**
- Listings span $10.03–$84.40; the average listing price is $35.42 (sweet spot $15–$100). The average incumbent carries 11,217 reviews — the moat a new listing must climb.
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