Lactobacillus Rhamnosus
Worth a lookShows low returns (0.0%), but a deep review moat (18,197 avg reviews) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$24.74avg listing price — sweet spot $15–$100
Price range
Great$14.29–$43.31cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.5%search→purchase rate — share of searches ending in a sale
Brand share
Good72%top-5 brand share — brands hold most of the demand
Market size
Good$346K$346K/yr · 216K searches
Competition
Okay66%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-12.3%90-day search growth — must beat 0% to launch
Review moat
Bad18,197.38avg incumbent reviews — the moat a new listing must climb
Is lactobacillus rhamnosus profitable on Amazon?
According to Flapen's Amazon United States niche tracking, lactobacillus rhamnosus is a $346K/yr Amazon United States market (216K searches/yr). The top 5 brands hold 72% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
lactobacillus rhamnosus market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 15K–20K
- avg 750–1,000/product
- Revenue / yr
- $371K–$495K
- units × avg price
- Conversion rate
- 6.5%
- Avg BSR
- #290
- Page quality
- 0%
- Prime
- 94%
- Sponsored
- 88%
- Out of stock
- 0.0%
- Avg brand age
- 75 months
- Avg seller age
- 152 days
Competition: brands, sellers & click share
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.Brands
14 falling
Sellers
619
Top-5 brand share
72%
Top 20: 100%
Top-5 click share
66%
Top 20: 100%
Open market
22%
- Supersmart29%
- Culturelle15%
- Vitamatic13%
- Metagenics8%
- O Positiv7%
- Swanson6%
lactobacillus rhamnosus demand & seasonality
Weekly Amazon search volume, last 46 weeks — -12.3% search growth over the last 90 days.Top lactobacillus rhamnosus search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- lactobacillus rhamnosus86K/yr
- lactobacillus rhamnosus gg50K/yr
- lactobacillus rhamnosus probiotic10K/yr
- probiotic lactobacillus rhamnosus7K/yr
- lactobacillus rhamnosus gr-110K/yr
- lgg probiotics8K/yr
- lactobacillus rhamnosus gr-1 and lactobacillus reuteri rc-147K/yr
- rhamnosus gg4K/yr
- l rhamnosus gg4K/yr
- lactobacillus rhamnosus gg (lgg)3K/yr
Top lactobacillus rhamnosus 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 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Supersmart Lactobacillus Rhamnosus GG 10 Billion CFU per Day (LGG Probiotic with Inulin) - L. Rhamnosus Supplement | Non-GMO & Gluten Free - 60 DR Capsules
Supersmart$20.304.6★1,010 rev
Vitamatic Lactobacillus Rhamnosus 5 Billion per DR Capsule (10 Billion Per 2 Capsules) - 60 Count - Advanced Digestive & Immune Support - Made with Prebiotic Inulin Fiber
Vitamatic$14.544.6★340 rev
Culturelle Pro Strength Daily Probiotics For Digestive Health (2 Month Supply) with Prebiotics for Women & Men Supports Occasional Diarrhea Gas & Bloating Gluten & Soy Free 60 Count
Culturelle$28.354.7★15,512 rev
O Positiv URO Vaginal Probiotics for Women pH Balance with Prebiotics & Lactobacillus Vaginal Health Supplement Support Healthy Vaginal Odor & Flora 60 Count (Pack of 1) 1 Month Supply
O Positiv$28.384.6★37,127 rev
Swanson Lactobacillus Rhamnosus with FOS - 5 Billion CFU - Digestive Health Support with Fructooligosaccharides - Probiotic Support for Gastrointestinal Health* - Vegan - 60 Veggie Caps
Swanson$14.584.5★946 rev
Newest
by launch date
Toniiq Lactobacillus Rhamnosus Ultra High Strength 100B CFU with Prebiotic FOS Delayed Release Capsules Third-Party Lab Tested 60 Capsules
Toniiq$23.0053 rev
Metagenics UltraFlora Balance Probiotic - Shelf-Stable Daily Gut Health Supplement for Digestive & Immune Support* - Non-GMO & Gluten-Free - 30 Capsules
Metagenics$24.272,051 rev
Vitamatic Lactobacillus Rhamnosus 5 Billion per DR Capsule (10 Billion Per 2 Capsules) - 60 Count - Advanced Digestive & Immune Support - Made with Prebiotic Inulin Fiber
Vitamatic$14.54340 rev
O Positiv URO Vaginal Probiotics for Women pH Balance with Prebiotics & Lactobacillus Vaginal Health Supplement Support Healthy Vaginal Odor & Flora 60 Count (Pack of 1) 1 Month Supply
O Positiv$28.3837,127 rev
LABO Nutrition FloraGG Probiotic 25 Billion CFU Microencapsulated Lactobacillus Rhamnosus with Sunfiber Prebiotic Soluble Fiber Supplement Digestive & Immune Health Support 60 Capsules
LABO Nutrition$29.24152 rev
Trending
90-day click momentum
Pure Encapsulations PureGG 25B | Promotes GI and Immune Health Across All Ages* | 60 Capsules
Pure Encapsulations$43.314.4★
Jarrow Formulas Fem-Dophilus Vaginal Probiotics 1 Billion CFU With 2 Science-Backed Strains Dietary Supplement For Vaginal & Urinary Tract Support 60 Capsules 60 Day Supply Shelf-Stable Probiotics
Jarrow Formulas$26.244.6★
Metagenics UltraFlora Balance Probiotic - Shelf-Stable Daily Gut Health Supplement for Digestive & Immune Support* - Non-GMO & Gluten-Free - 30 Capsules
Metagenics$24.274.6★
Toniiq Lactobacillus Rhamnosus Ultra High Strength 100B CFU with Prebiotic FOS Delayed Release Capsules Third-Party Lab Tested 60 Capsules
Toniiq$23.004.2★
Metagenics UltraFlora Womens Probiotic Shelf-Stable Supplement for Vaginal Health Yeast Balance & Urinary Comfort with Lactobacillus GR-1 & RC-14 Non-GMO 30 Capsules*
Metagenics$35.344.7★
What reviews say buyers love and hate about lactobacillus rhamnosus
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent Product”
“Best probiotic I had”
“Less digestive issues”
“Definitely effective”
“Best value”
“helps my stomach”
“Arrived as described”
“Not hard to swallow”
“Easy to take”
“didnt cause any side effects”
What buyers complain about
“Never worked”
“High price”
“Severe stomach pain”
“Made me smell weird”
“I got a rare side effect”
“especially severe constipation for years”
“ITCHING”
“Unsure if I need To Increase the dosage or what”
“Disgusting taste”
“It looks like it missed quality control”
Top return reasons
Common lactobacillus rhamnosus questions
- Is lactobacillus rhamnosus profitable to sell on Amazon United States?
- The niche generates $346K/yr across 16 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -12.3%. Flapen's verdict: Worth a look (51/100).
- How competitive is the lactobacillus rhamnosus niche?
- 14 brands and 619 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 72% of demand.
- What do buyers complain about in lactobacillus rhamnosus?
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.
- What does it cost to enter the lactobacillus rhamnosus niche?
- Listings span $14.29–$43.31; the average listing price is $24.74 (sweet spot $15–$100). The average incumbent carries 18,197 reviews — the moat a new listing must climb.