---
title: "Bacillus Coagulans — $210K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/bacillus-coagulans"
last_updated: "2026-08-09T17:31:28.078Z"
locale: en
meta:
description: "Niche score 47/100 · $210K/yr market · 116K searches/yr · $25.99 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $210K/yr market · 116K searches/yr · $25.99 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Bacillus Coagulans — $210K/yr Amazon US Niche (2026) - Flapen"
---
# **bacillus coagulans**
**Skip it**
A concentrated shelf (top 5 take 79% of clicks) — this niche doesn't clear our bar today.
Market size 41Growth 22Conversion 75Competition 17Returns 100Price range 89Avg price 95Brand share 36Review moat 20Quality gap 35
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$25.99**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$11.08–$63.55**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****7.0%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Okay****$210K**
$210K/yr · 116K searches
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-6.1%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****13,131.17**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****79%**
top-5 click share — a locked-up shelf
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
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 ~~](https://flapen.com/research/methodology)
## **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.
5K3KSpike '24Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/health-household/bacillus-coagulans/trend)
## **Top bacillus coagulans search terms**
- **bacillus coagulans**65K/yr-6.8%6.7% conv. - **bacillus coagulans probiotic**23K/yr+1.1%4.7% conv. - **bacillus coagulans gbi-30 6086**16K/yr-34.3%4.0% conv. - **bacillus**6K/yr+47.1%0.3% conv. - **bacillus probiotics**3K/yr+17.3%1.9% conv. - **b coagulans**2K/yr-0.3%7.2% conv. [**All search terms **](https://flapen.com/research/us/health-household/bacillus-coagulans/search-terms)
## **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.
0%10%$21K20%$42K30%$63K40%$84K101001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 12 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Vitamatic Bacillus Coagulans Shelf Stable Probiotic Supplement - Promote GI Digestive Health - 60 Vegetable Capsules - Survives Stomach Acids**Vitamatic**$14.30**4.6★403 rev](https://www.amazon.com/dp/B0CCHNGC9W) [2**THORNE - Bacillus Coagulans Probiotic - Shelf Stable Probiotic Supplement to Promote GI Health* - 60 Capsules**THORNE**$32.79**4.6★1,395 rev](https://www.amazon.com/dp/B000FGXO0W) [3**Swanson Bacillus Coagulans Spore-Form Probiotic for Adults Seeking Shelf-Stable Digestive Support with 6 Billion CFU - Acid-Resistant (60 Vegan Capsules)**Swanson**$20.98**4.5★417 rev](https://www.amazon.com/dp/B00J03Z4UO) [4**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**$18.73**4.3★52 rev](https://www.amazon.com/dp/B0G4R9LFVZ) [5**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**$17.68**4.6★356 rev](https://www.amazon.com/dp/B00G55M1GU)
**~~View all top sellers →~~**
### **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**$17.82**33 rev4mo ago](https://www.amazon.com/dp/B0GSPN6HYR) [**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**$18.73**52 rev7mo ago](https://www.amazon.com/dp/B0G4R9LFVZ) [**Vitamatic Bacillus Coagulans Probiotic Powder - Digestive Health Support - 100 Gram (3.5 OZ) - 100 Servings**Vitamatic**$35.74**40 rev2y ago](https://www.amazon.com/dp/B0D3J485N2) [**Supersmart Bacillus Coagulans Probiotic 4 Billion CFU per Day (High Absorption) - Lactobacillus Sporogenes Supplement | Non-GMO & Gluten Free - 60 Delayed Release Capsules**Supersmart**$24.10**98 rev2y ago](https://www.amazon.com/dp/B0CC6FCXK5) [**Vitamatic Bacillus Coagulans Shelf Stable Probiotic Supplement - Promote GI Digestive Health - 60 Vegetable Capsules - Survives Stomach Acids**Vitamatic**$14.30**403 rev3y ago](https://www.amazon.com/dp/B0CCHNGC9W)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**CareGem Feminine Balance Gummies pH Balance for Women & Vaginal Health Pineapple Probiotics with Bacillus Coagulans Odor Control & Flora Support 60 Gummies**CareGem**$17.82**4.3★**▲ 258%**](https://www.amazon.com/dp/B0GSPN6HYR) [**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**$18.73**4.3★**▲ 26%**](https://www.amazon.com/dp/B0G4R9LFVZ) [**Vitamatic Bacillus Coagulans Probiotic Powder - Digestive Health Support - 100 Gram (3.5 OZ) - 100 Servings**Vitamatic**$35.74**4.8★**▲ 24%**](https://www.amazon.com/dp/B0D3J485N2) [**Swanson Bacillus Coagulans Spore-Form Probiotic for Adults Seeking Shelf-Stable Digestive Support with 6 Billion CFU - Acid-Resistant (60 Vegan Capsules)**Swanson**$20.98**4.5★**▲ 16%**](https://www.amazon.com/dp/B00J03Z4UO) [**THORNE - Bacillus Coagulans Probiotic - Shelf Stable Probiotic Supplement to Promote GI Health* - 60 Capsules**THORNE**$32.79**4.6★**— 0%**](https://www.amazon.com/dp/B000FGXO0W)
**~~View all trending →~~**
## **What buyers say about bacillus coagulans**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**17%
*“Excellent Product”*
**Nutritional Content**16%
*“The best probiotic ever”*
**Regulates Digestion**12%
*“Less digestive issues”*
**Efficiency**10%
*“Works Well”*
**Value For Money**6%
*“Great deal”*
**Acid Regulator/Stomach Ache Relief**6%
*“Helps with stomach issues”*
**Ease Of Use**3%
*“Ease of use”*
**Ease Of Chewing/Swallowing**3%
*“Chew is soft enough that she can take both at once without it feeling like a jaw workout”*
**Advertised Vs Actual Product**3%
*“Arrived as described”*
**Taste-Overall**3%
*“Came out perfect with a great smooth taste”*
### **What buyers complain about **
**Functionality-Overall**18%
*“Didn't work for me”*
**Acid Regulator/Stomach Ache Relief**11%
*“Severe stomach pain”*
**Regulates Digestion**9%
*“I ended up having extreme constipation”*
**Value For Money**9%
*“Waste of money”*
**Side Effects**4%
*“It made me terribly sick”*
**Dosage**3%
*“just don't know that I see any difference when I'm taking these daily”*
**Taste-Overall**3%
*“No taste and doesnt upset stomach”*
**Allergies**2%
*“Allergic reaction”*
**Nutritional Content**2%
*“It feels like the bacterial count is just too high in this formula”*
**Ingredients-Overall**1%
*“I am not comfortable knowing this pills could have fermented”*
### **Top return reasons **
**Functionality-Overall**37%
**Value For Money**26%
**Quality-Overall**5%
**Side Effects**5%
**Accuracy-Overall**5%
**Vitamin**5%
**Certifications**5%
**Acid Regulator/Stomach Ache Relief**5%
**Taste-Overall**3%
**Hard Feel**3%
## **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.
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