saccharomyces boulardii
Worth a lookShows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Market size
Incredible$2.4M$2.4M/yr · 748K searches
Avg price
Incredible$28.57avg listing price — sweet spot $15–$100
Conversion
Great11.3%search→purchase rate — share of searches ending in a sale
Price range
Great$12.59–$65.44cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good48%top-5 click share — leaders hold, buyers still browse
Brand share
Good72%top-5 brand share — brands hold most of the demand
Review moat
Okay3,321.96avg incumbent reviews — the moat a new listing must climb
Growth
Bad-0.9%90-day search growth — must beat 0% to launch
Quality gap
Okay4.6★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
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.No pronounced peak months · busiest ÷ quietest = 1.6×
Top saccharomyces boulardii search terms
- saccharomyces boulardii303K/yr
- saccharomyces boulardii probiotics97K/yr
- jarrow probiotic80K/yr
- jarrow48K/yr
- s boulardii32K/yr
- jarrow formulas32K/yr
- s boulardii probiotic26K/yr
- pure therapro rx16K/yr
- saccharomyces boulardii probiotic14K/yr
- saccharomyces17K/yr
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.
All 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$22.504.6★5,448 rev
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$28.984.6★4,101 rev
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$14.884.6★353 rev
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$42.764.7★464 rev
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$36.644.6★5,448 rev
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$16.4945 rev
Nutricost Saccharomyces Boulardii + MOS Capsules (>5 Billion CFU) 120 Caps
Nutricost$24.3154 rev
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$22.6355 rev
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$24.69256 rev
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$14.88353 rev
Trending
90-day click momentumMicro 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$16.494.7★
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$22.634.6★
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$22.864.4★
Nutricost Saccharomyces Boulardii + MOS Capsules (>5 Billion CFU) 120 Caps
Nutricost$24.314.8★
Vitamatic Saccharomyces Boulardii Probiotic 10B per Serving + Yeast Extract (MOS Yeast Fraction) 300 mg - 60 DR Capsules - Made in the USA
Vitamatic$14.314.5★
What buyers say about saccharomyces boulardii
What buyers praise and complain about, mined from review topics.What buyers love
“Premium quality with visible benefits”
“Digestive relief”
“Excellent supplement”
“Good value for money”
“Effective”
“Really helps stomach issues get better”
“Works as advertised”
“Excellent supplement”
“I like the smaller dosing so you can easily ramp up”
“Easy to use”
What buyers complain about
“So pricey”
“Lots of stomach discomfort”
“this one causes way more bloating”
“it stops working”
“It didnt help me using the recommended dose”
“Lots of added other ingredients”
“Made me very sick”
“Pretty bad quality control”
“No taste”
“Causing horrible cramps”
Top return reasons
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.