---
title: "Saccharomyces Boulardii — $2.4M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/saccharomyces-boulardii"
last_updated: "2026-08-06T19:18:29.425Z"
locale: en
meta:
description: "Niche score 65/100 · $2.4M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 65/100 · $2.4M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Saccharomyces Boulardii — $2.4M/yr Amazon US Niche (2026) - Flapen"
---
# **saccharomyces boulardii**
**Worth a look**
Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 95Growth 25Conversion 92Competition 62Returns 100Price range 91Avg price 95Brand share 55Review moat 32Quality gap 25
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Market size**
**Incredible****$2.4M**
$2.4M/yr · 748K searches
**Avg price**
**Incredible****$28.57**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****11.3%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Great****$12.59–$65.44**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****48%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Good****72%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****3,321.96**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-0.9%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, saccharomyces boulardii is a $2.4M/yr Amazon United States market (748K searches/yr). The top 5 brands hold 72% of demand. Verdict: Worth a look — 65/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **saccharomyces boulardii market data**
- **Units sold / yr**
- **80K–100K**
- avg 2,500–3,000/product
- **Revenue / yr**
- **$2.3M–$2.9M**
- units × avg price
- **Conversion rate**
- **11.3%**
- **Avg BSR**
- **#543**
- **Page quality**
- **0%**
- **Prime**
- **91%**
- **Sponsored**
- **87%**
- **Out of stock**
- **1.7%**
- **Avg brand age**
- **80 months**
- **Avg seller age**
- **150 days**
## **Competition & brand share**
The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▼falling
**Sellers**
**586**
**Top-5 brand share**
**72%**
Top 20: 100%
**Top-5 click share**
**48%**
Top 20: 96%
**Open market**
**22%**
- Jarrow Formulas36% - Pure Therapro Rx13% - NOW Foods9% - Florastor8% - DEAL SUPPLEMENT6% - THORNE5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -0.9% search growth over the last 90 days.
18K13KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/health-household/saccharomyces-boulardii/trend)
## **Top saccharomyces boulardii search terms**
- **saccharomyces boulardii**303K/yr-4.9%10.5% conv. - **saccharomyces boulardii probiotics**97K/yr-7.6%11.0% conv. - **jarrow probiotic**80K/yr-19.3%8.1% conv. - **jarrow**48K/yr-2.9%1.8% conv. - **s boulardii**32K/yr+12.4%9.2% conv. - **jarrow formulas**32K/yr+13.8%1.1% conv. - **s boulardii probiotic**26K/yr+0.9%8.3% conv. - **pure therapro rx**16K/yr+8.9%1.5% conv. - **saccharomyces boulardii probiotic**14K/yr+16.2%4.7% conv. - **saccharomyces**17K/yr+28.6%5.7% conv. [**All search terms **](https://flapen.com/research/us/health-household/saccharomyces-boulardii/search-terms)
## **Top saccharomyces boulardii 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%$243K20%$485K30%$728K40%$970K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 23 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Jarrow Formulas Saccharomyces Boulardii + MOS Probiotics for Digestive Health and Intestinal Tract Support - 5 Billion CFU Per Serving - 90 Delayed Release Caps - Probiotic + Prebiotic - 90 Servings**Jarrow Formulas**$22.50**4.6★5,448 rev](https://www.amazon.com/dp/B0013OVW0E) [2**Saccharomyces Boulardii Probiotics 10 Billion CFU Made in USA | No Fillers Patented Strain: Lynside CNCM I-3799 Probiotics for Men and Women | Pure TheraPro Rx Pharma Grade 120 Count**Pure Therapro Rx**$28.98**4.6★4,101 rev](https://www.amazon.com/dp/B00JK30A1M) [3**Saccharomyces Boulardii Probiotics + FOS Supplement 10 Billion CFU 240 Veggie Capsules Probiotic & Prebiotic for Women & Men Gut Immune & Digestive Health Support Non-GMO**DEAL SUPPLEMENT**$14.88**4.6★353 rev](https://www.amazon.com/dp/B0DJWTDKW3) [4**THORNE - Sacro-B - Saccharomyces boulardii - Shelf Stable Probiotic - Gut Health Supplement to Support Immune Function in the Gut - Occasional Diarrhea Relief* - Third-Party Certified - 60 Capsules**THORNE**$42.76**4.7★464 rev](https://www.amazon.com/dp/B000FGXO7A) [5**Jarrow Formulas Saccharomyces Boulardii + MOS Probiotics for Digestive Health and Intestinal Tract Support - 5 Billion CFU Per Serving - 180 Delayed Release Caps - Probiotic + Prebiotic - 180 Servings**Jarrow Formulas**$36.64**4.6★5,448 rev](https://www.amazon.com/dp/B0056GCLVO)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Micro Ingredients Saccharomyces Boulardii Probiotics 10 Billion CFU with Prebiotics 240 Vegetarian Capsules | 2-in-1 Probiotic & Prebiotic Blend | Added Inulin from Chicory Root | Non-GMO**Micro Ingredients**$16.49**45 rev8mo ago](https://www.amazon.com/dp/B0G2N6RJYR) [**Nutricost Saccharomyces Boulardii + MOS Capsules (>5 Billion CFU) 120 Caps**Nutricost**$24.31**54 rev11mo ago](https://www.amazon.com/dp/B0FM1C6Z6D) [**Seeking Health Saccharomyces Boulardii - Gentle Digestive Support for Healthy Bowel Movements* - Supports a Good GI Tract Environment & Microbiome While Traveling* - Gluten & Dairy-Free - 60 Capsules**Seeking Health**$22.63**55 rev1y ago](https://www.amazon.com/dp/B09MFT87LF) [**Organic Saccharomyces Boulardii - 10 Billion CFU - Clinically Validated CNCM I-1079 Probiotic Strain - Gut Digestion & Healthy Bowel Support - First Organic Form of S. Boulardii Probiotic - 60 Count**Triquetra Health**$24.69**256 rev1y ago](https://www.amazon.com/dp/B0DPR8GPYK) [**Saccharomyces Boulardii Probiotics + FOS Supplement 10 Billion CFU 240 Veggie Capsules Probiotic & Prebiotic for Women & Men Gut Immune & Digestive Health Support Non-GMO**DEAL SUPPLEMENT**$14.88**353 rev1y ago](https://www.amazon.com/dp/B0DJWTDKW3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Micro Ingredients Saccharomyces Boulardii Probiotics 10 Billion CFU with Prebiotics 240 Vegetarian Capsules | 2-in-1 Probiotic & Prebiotic Blend | Added Inulin from Chicory Root | Non-GMO**Micro Ingredients**$16.49**4.7★**▲ 160%**](https://www.amazon.com/dp/B0G2N6RJYR) [**Seeking Health Saccharomyces Boulardii - Gentle Digestive Support for Healthy Bowel Movements* - Supports a Good GI Tract Environment & Microbiome While Traveling* - Gluten & Dairy-Free - 60 Capsules**Seeking Health**$22.63**4.6★**▲ 118%**](https://www.amazon.com/dp/B09MFT87LF) [**Microbiome Labs RestorFlora - Mens & Womens Probiotics for Digestive Health & Gut Reset - Spore Based Saccharomyces Boulardii Probiotics to Help Restore Microbial Balance (21 Capsules)**Microbiome Labs**$22.86**4.4★**▲ 111%**](https://www.amazon.com/dp/B0B3NB66H2) [**Nutricost Saccharomyces Boulardii + MOS Capsules (>5 Billion CFU) 120 Caps**Nutricost**$24.31**4.8★**▲ 95%**](https://www.amazon.com/dp/B0FM1C6Z6D) [**Vitamatic Saccharomyces Boulardii Probiotic 10B per Serving + Yeast Extract (MOS Yeast Fraction) 300 mg - 60 DR Capsules - Made in the USA**Vitamatic**$14.31**4.5★**▲ 94%**](https://www.amazon.com/dp/B0D2Q2YTH1)
**~~View all trending →~~**
## **What buyers say about saccharomyces boulardii**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**16%
*“Premium quality with visible benefits”*
**Regulates Digestion**13%
*“Digestive relief”*
**Nutritional Content**11%
*“Excellent supplement”*
**Value For Money**7%
*“Good value for money”*
**Efficiency**6%
*“Effective”*
**Acid Regulator/Stomach Ache Relief**6%
*“Really helps stomach issues get better”*
**Advertised Vs Actual Product**4%
*“Works as advertised”*
**Vitamin**2%
*“Excellent supplement”*
**Dosage**2%
*“I like the smaller dosing so you can easily ramp up”*
**Ease Of Use**2%
*“Easy to use”*
### **What buyers complain about **
**Value For Money**10%
*“So pricey”*
**Acid Regulator/Stomach Ache Relief**8%
*“Lots of stomach discomfort”*
**Regulates Digestion**7%
*“this one causes way more bloating”*
**Functionality-Overall**6%
*“it stops working”*
**Dosage**6%
*“It didnt help me using the recommended dose”*
**Ingredients-Overall**4%
*“Lots of added other ingredients”*
**Side Effects**4%
*“Made me very sick”*
**Quality-Overall**3%
*“Pretty bad quality control”*
**Taste-Overall**2%
*“No taste”*
**Pain Relief-Overall**2%
*“Causing horrible cramps”*
### **Top return reasons **
**Value For Money**36%
**Functionality-Overall**32%
**Ingredients-Overall**9%
**Side Effects**9%
**Joint Pain**9%
**Leak-Proof**5%
## **Common questions**
- **Is saccharomyces boulardii profitable to sell on Amazon United States?**
- The niche generates $2.4M/yr across 23 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -0.9%. Flapen's verdict: Worth a look (65/100).
- **How competitive is the saccharomyces boulardii niche?**
- 14 brands and 586 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 72% of demand.
- **What do buyers complain about in saccharomyces boulardii?**
- Top complaints mined from reviews: Value For Money, Acid Regulator/Stomach Ache Relief, Regulates Digestion. The return rate is 0.0%.
- **When does demand for saccharomyces boulardii peak?**
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- **What does it cost to enter the saccharomyces boulardii niche?**
- Listings span $12.59–$65.44; the average listing price is $28.57 (sweet spot $15–$100). The average incumbent carries 3,322 reviews — the moat a new listing must climb.
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