bacillus coagulans
Skip itA concentrated shelf (top 5 take 79% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$25.99avg listing price — sweet spot $15–$100
Price range
Great$11.08–$63.55cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good7.0%search→purchase rate — share of searches ending in a sale
Market size
Okay$210K$210K/yr · 116K searches
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-6.1%90-day search growth — must beat 0% to launch
Review moat
Bad13,131.17avg incumbent reviews — the moat a new listing must climb
Competition
Bad79%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, bacillus coagulans is a $210K/yr Amazon United States market (116K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Jan–Feb. Verdict: Skip it — 47/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
bacillus coagulans market data
- Units sold / yr
- 8K–10K
- avg 500–750/product
- Revenue / yr
- $208K–$260K
- units × avg price
- Conversion rate
- 7.0%
- Avg BSR
- #1,310
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 83%
- Out of stock
- 0.0%
- Avg brand age
- 74 months
- Avg seller age
- 154 days
Competition & brand share
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.Brands
11 falling
Sellers
48
Top-5 brand share
83%
Top 20: 100%
Top-5 click share
79%
Top 20: 100%
Open market
13%
- Vitamatic32%
- THORNE25%
- Swanson14%
- Toniiq8%
- SOLARAY5%
- Digestive Advantage4%
- Open — no brand owns it (5 brands, 13%)
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — -6.1% search growth over the last 90 days.Peak months: Jan, Feb · busiest ÷ quietest = 1.9×
Top bacillus coagulans search terms
- bacillus coagulans65K/yr
- bacillus coagulans probiotic23K/yr
- bacillus coagulans gbi-30 608616K/yr
- bacillus6K/yr
- bacillus probiotics3K/yr
- b coagulans2K/yr
Top bacillus coagulans 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 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Vitamatic Bacillus Coagulans Shelf Stable Probiotic Supplement - Promote GI Digestive Health - 60 Vegetable Capsules - Survives Stomach Acids
Vitamatic$14.304.6★403 rev
THORNE - Bacillus Coagulans Probiotic - Shelf Stable Probiotic Supplement to Promote GI Health* - 60 Capsules
THORNE$32.794.6★1,395 rev
Swanson Bacillus Coagulans Spore-Form Probiotic for Adults Seeking Shelf-Stable Digestive Support with 6 Billion CFU - Acid-Resistant (60 Vegan Capsules)
Swanson$20.984.5★417 rev
Toniiq Bacillus Coagulans Probiotic Supplement Ultra High Strength 50 Billion CFU with FOS Prebiotic Spore-Based Probiotic for Exceptional Stability Third-Party Tested 60 Capsules
Toniiq$18.734.3★52 rev
SOLARAY Bacillus Coagulans Probiotic - 5 Billion Live Microorganisms - Digestion and Gut Health Support - Full Body Health Probiotics with Inulin Prebiotic Fiber 60-Day Guarantee 30 Serv 60 VegCaps
SOLARAY$17.684.6★356 rev
Newest
by launch date
CareGem Feminine Balance Gummies pH Balance for Women & Vaginal Health Pineapple Probiotics with Bacillus Coagulans Odor Control & Flora Support 60 Gummies
CareGem$17.8233 rev
Toniiq Bacillus Coagulans Probiotic Supplement Ultra High Strength 50 Billion CFU with FOS Prebiotic Spore-Based Probiotic for Exceptional Stability Third-Party Tested 60 Capsules
Toniiq$18.7352 rev
Vitamatic Bacillus Coagulans Probiotic Powder - Digestive Health Support - 100 Gram (3.5 OZ) - 100 Servings
Vitamatic$35.7440 rev
Supersmart Bacillus Coagulans Probiotic 4 Billion CFU per Day (High Absorption) - Lactobacillus Sporogenes Supplement | Non-GMO & Gluten Free - 60 Delayed Release Capsules
Supersmart$24.1098 rev
Vitamatic Bacillus Coagulans Shelf Stable Probiotic Supplement - Promote GI Digestive Health - 60 Vegetable Capsules - Survives Stomach Acids
Vitamatic$14.30403 rev
Trending
90-day click momentumCareGem Feminine Balance Gummies pH Balance for Women & Vaginal Health Pineapple Probiotics with Bacillus Coagulans Odor Control & Flora Support 60 Gummies
CareGem$17.824.3★
Toniiq Bacillus Coagulans Probiotic Supplement Ultra High Strength 50 Billion CFU with FOS Prebiotic Spore-Based Probiotic for Exceptional Stability Third-Party Tested 60 Capsules
Toniiq$18.734.3★
Vitamatic Bacillus Coagulans Probiotic Powder - Digestive Health Support - 100 Gram (3.5 OZ) - 100 Servings
Vitamatic$35.744.8★
Swanson Bacillus Coagulans Spore-Form Probiotic for Adults Seeking Shelf-Stable Digestive Support with 6 Billion CFU - Acid-Resistant (60 Vegan Capsules)
Swanson$20.984.5★
THORNE - Bacillus Coagulans Probiotic - Shelf Stable Probiotic Supplement to Promote GI Health* - 60 Capsules
THORNE$32.794.6★
What buyers say about bacillus coagulans
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent Product”
“The best probiotic ever”
“Less digestive issues”
“Works Well”
“Great deal”
“Helps with stomach issues”
“Ease of use”
“Chew is soft enough that she can take both at once without it feeling like a jaw workout”
“Arrived as described”
“Came out perfect with a great smooth taste”
What buyers complain about
“Didn't work for me”
“Severe stomach pain”
“I ended up having extreme constipation”
“Waste of money”
“It made me terribly sick”
“just don't know that I see any difference when I'm taking these daily”
“No taste and doesnt upset stomach”
“Allergic reaction”
“It feels like the bacterial count is just too high in this formula”
“I am not comfortable knowing this pills could have fermented”
Top return reasons
Common questions
- Is bacillus coagulans profitable to sell on Amazon United States?
- The niche generates $210K/yr across 12 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -6.1%. Flapen's verdict: Skip it (47/100).
- How competitive is the bacillus coagulans niche?
- 11 brands and 48 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 83% of demand.
- What do buyers complain about in bacillus coagulans?
- Top complaints mined from reviews: Functionality-Overall, Acid Regulator/Stomach Ache Relief, Regulates Digestion. The return rate is 0.0%.
- When does demand for bacillus coagulans peak?
- Demand peaks in Jan–Feb; the busiest month runs 1.9× the quietest.
- What does it cost to enter the bacillus coagulans niche?
- Listings span $11.08–$63.55; the average listing price is $25.99 (sweet spot $15–$100). The average incumbent carries 13,131 reviews — the moat a new listing must climb.