Lactobacillus Gasseri
Worth a lookShows low returns (0.0%), but soft demand (-11.4% this quarter) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$35.42avg listing price — sweet spot $15–$100
Price range
Great$10.03–$84.40cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.1%search→purchase rate — share of searches ending in a sale
Market size
Good$555K$555K/yr · 257K searches
Brand share
Good75%top-5 brand share — brands hold most of the demand
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad11,216.7avg 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
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.No pronounced peak months · busiest ÷ quietest = 1.8×
Top lactobacillus gasseri search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- lactobacillus gasseri81K/yr
- bnr1721K/yr
- lactobacillus gasseri bnr1716K/yr
- dr mercola probiotic16K/yr
- l gasseri18K/yr
- bnr17 probiotics14K/yr
- bnr17 korean10K/yr
- l gasseri probiotics14K/yr
- l. gasseri probiotic7K/yr
- dr mercola probiotics5K/yr
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.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Dr. Mercola Biothin Probiotic - Lactobacillus Gasseri BNR17 - Supports Digestive Health & Metabolism - 30 Delayed-Release Capsules (30 Servings)
Dr. Mercola$29.394.6★1,143 rev
AceBiome BNRThin S30 Lactobacillus Gasseri BNR17 10 Billion CFU Guaranteed 30Capsules
AceBiome$51.574.4★392 rev
Swanson Lactobacillus Gasseri Probiotic for Adults Seeking Digestive and Metabolic Support with 3 Billion CFU - Acid-Resistant No Refrigeration (60 Vegan Capsules)
Swanson$19.704.4★4,458 rev
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$10.034.5★303 rev
Vitamatic Lactobacillus Gasseri - 12 Billion per DR Capsule - 60 Count - Digestive Support - Made with Prebiotic Inulin Fiber
Vitamatic$14.664.6★445 rev
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$19.5564 rev
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$19.30159 rev
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$10.03303 rev
Vitamatic Lactobacillus Gasseri Probiotic Powder - Digestive Health Support - 100 Gram (3.5 OZ) - 100 Servings
Vitamatic$36.7053 rev
Vitamatic Lactobacillus Gasseri - 12 Billion per DR Capsule - 60 Count - Digestive Support - Made with Prebiotic Inulin Fiber
Vitamatic$14.66445 rev
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$29.354.6★
Dr. Mercola Biothin Probiotic - Lactobacillus Gasseri BNR17 - Supports Digestive Health & Metabolism - 90 Delayed-Release Capsules (90 Servings)
Dr. Mercola$79.744.6★
BLIVA Lactobacillus Gasseri Capsules L Gasseri - 50 Billion CFU per Serving - Highest CFU Count L. Gasseri Supplement - 90 Capsules
BLIVA NUTRITION$19.554.4★
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$84.404.7★
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$23.064.6★
What reviews say buyers love and hate about lactobacillus gasseri
What buyers praise and complain about, mined from review topics.What buyers love
“This one is a quality blend”
“The best probiotic ever”
“it didn't cause any digestive upset”
“Works Well”
“helps my stomach”
“Great deal”
“Arrived as described”
“Ease of swallow”
“Doesn't cause any side effects for me”
“Ease of use”
What buyers complain about
“Did not work”
“Severe stomach pain”
“Bloating and Constipation”
“Too expensive”
“Significant Bad Side Effects”
“Misrepresented number of capsules in the bottle”
“Cannot confirm health benefits”
“Allergic reaction”
“Its a tasteless capsule”
“Quality control apparently non-existent”
Top return reasons
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.