Saccharomyces Boulardii
FailThe top 5 products take 90% of clicks, so Saccharomyces Boulardii is a Fail.
- Flapen Score
- 47 / 100Ranks 1,080 of 2,035 Health & Personal Care niches · −1 vs the category median of 4847
- Market size
- £241K/yr99K searches / yr
- 90-day growth
- -10.1%search demand this quarter
- Competition
- 90%top-5 click share · 8 brands · 52 sellers
Flapen Score
Saccharomyces Boulardii against its category
The dotted line is the Health & Personal Care average. Past it, Saccharomyces Boulardii is stronger. Inside it, weaker.
Market
The Saccharomyces Boulardii market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Saccharomyces Boulardii 99K times last year and spent an estimated £241K. The top 5 brands take 93% of clicks. Demand peaks in Jun. Flapen scores it 47 out of 100, a Fail.
01 · Demand
An estimated 13.9% of those searches ended in a purchase.
Shoppers searched for this 99K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 13.9% of those searches ended in a purchase. Searches in the last 90 days moved -10.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated £241K a year.
- Searches, last 12 months
- 99K
- Growth, 90 days vs prior 90
- -10.1%
- Conversion, latest week
- 13.9%
- Market size, estimated
- £241Ka year
- Peak month
- June1.7× the quietest month
- Top search term
- saccharomyces boulardii52K searches a year
02 · Price
A sale here is worth £17.46.
Listings sell for £17.46 on average, from £6.99 to £27.55. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 1,250 to 1,500 of them. At £17.46 that is £22K to £26K a year per listing.
- Average price
- £17.46inside the $15 to $100 sweet spot
- Price range
- £6.99–£27.55
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 10K–13K
- Units per listing a year
- 1,250–1,500
- Revenue per listing a year
- £22K–£26K
- Returns
- 0.0%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
89% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.7% of listings are out of stock. The average listing ranks #25 within Bacterial Cultures. It carries 407 reviews at 4.52 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 89%
- Prime listings
- 100%
- Out of stock, average day
- 1.7%
- Average rank
- #25in Bacterial Cultures
- Average rating
- 4.52 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 407per listing
- Listings tracked
- 9
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 69 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 69 months
Products
Top Saccharomyces Boulardii products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 25, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Optibac Saccharomyces Boulardii - Vegan Digestive Supplement with 5 Billion Live Cultures - Most Trusted & Recommended Brand - 40 Capsules
- Price
- £16.31
- Rating
- 4.6/5
- Reviews
- 1,110
- Age
- 9y ago

Saccharomyces Boulardii 5 Billion CFU 90 Capsules - No Refrigeration Required - High Strength Non-Colonising Yeast with synergistic Olive Leaf Biotin and Vitamin D3
- Price
- £12.81
- Rating
- 4.6/5
- Reviews
- 813
- Age
- 7y ago

Optibac Saccharomyces Boulardii - Vegan Digestive Supplement with 5 Billion Live Cultures - Most Trusted & Recommended Brand - 80 Capsules
- Price
- £27.55
- Rating
- 4.6/5
- Reviews
- 1,110
- Age
- 17y ago

Bio-Kult S. Boulardii + Vitamin D3 Saccharomyces Boulardii Yeast with Preplex Prebiotics for Gut & Immune Support Resilient Live Yeast Culture Suitable for Travel & Antibiotics 30 Capsules
- Price
- £6.99
- Rating
- 4.4/5
- Reviews
- 292
- Age
- 6y ago

Saccharomyces Boulardii 5 Billion CFU 90 Vegan Capsules - No Refrigeration Required - High Strength Non-Colonising Yeast by Alpha01
- Price
- £7.50
- Rating
- 4.8/5
- Reviews
- 19
- Age
- 7y ago
Trending
estimated 90-day click momentum
Invivo Bio.Me Saccharomyces Boulardii Probiotics Supplement Targeted Gut Microbiome Support Probiotic Clinically Informed Probiotics for Women and Men Digestive Health
- Price
- £23.32
- Rating
- 4.5/5
- Reviews
- 8
- Age
- 10mo ago

Saccharomyces Boulardii 5 Billion CFU 90 Vegan Capsules - No Refrigeration Required - High Strength Non-Colonising Yeast by Alpha01
- Price
- £7.50
- Rating
- 4.8/5
- Reviews
- 19
- Age
- 7y ago

Natures Zest Saccharomyces Boulardii 20 Billion CFU 120 High Strength Vegan Capsules | 4 Month Supply Live Cultures with FOS Fibre Men & Women UK Made
- Price
- £21.54
- Rating
- 4.4/5
- Reviews
- 142
- Age
- 6y ago

Optibac Saccharomyces Boulardii - Vegan Digestive Supplement with 5 Billion Live Cultures - Most Trusted & Recommended Brand - 80 Capsules
- Price
- £27.55
- Rating
- 4.6/5
- Reviews
- 1,110
- Age
- 17y ago

Bio-Kult S. Boulardii + Vitamin D3 Saccharomyces Boulardii Yeast with Preplex Prebiotics for Gut & Immune Support Resilient Live Yeast Culture Suitable for Travel & Antibiotics 30 Capsules
- Price
- £6.99
- Rating
- 4.4/5
- Reviews
- 292
- Age
- 6y ago
Newest
by launch date
Invivo Bio.Me Saccharomyces Boulardii Probiotics Supplement Targeted Gut Microbiome Support Probiotic Clinically Informed Probiotics for Women and Men Digestive Health
- Price
- £23.32
- Rating
- 4.5/5
- Reviews
- 8
- Age
- 10mo ago

Saccharomyces Boulardii - 6 Billion CFU - Vegan - 120 Caps - UK Made
- Price
- £17.90
- Rating
- 4.5/5
- Reviews
- 136
- Age
- 2y ago

Natures Zest Saccharomyces Boulardii 20 Billion CFU 120 High Strength Vegan Capsules | 4 Month Supply Live Cultures with FOS Fibre Men & Women UK Made
- Price
- £21.54
- Rating
- 4.4/5
- Reviews
- 142
- Age
- 6y ago

Bio-Kult S. Boulardii + Vitamin D3 Saccharomyces Boulardii Yeast with Preplex Prebiotics for Gut & Immune Support Resilient Live Yeast Culture Suitable for Travel & Antibiotics 30 Capsules
- Price
- £6.99
- Rating
- 4.4/5
- Reviews
- 292
- Age
- 6y ago

Saccharomyces Boulardii 5 Billion CFU 90 Capsules - No Refrigeration Required - High Strength Non-Colonising Yeast with synergistic Olive Leaf Biotin and Vitamin D3
- Price
- £12.81
- Rating
- 4.6/5
- Reviews
- 813
- Age
- 7y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 90% of clicks. A locked shelf that new listings rarely crack.
Brands
8 falling
Sellers
52
Est. top-5 brand share
93%
Top 20: 100%
Est. top-5 click share
90%
Top 20: 100%
Open market
4%
- Optibac Probiotics52%
- swiss bioenergetics18%
- Bio-Kult12%
- ALPHA018%
- Time Health3%
- Natures Zest3%
- Open — no brand owns it (2 brands, 4%)
Demand
Saccharomyces Boulardii search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jun · busiest ÷ quietest = 1.7×
Search terms
Top Saccharomyces Boulardii search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- saccharomyces boulardii52K/yr
- s boulardii11K/yr
- saccharomyces boulardii probiotic11K/yr
- optibac saccharomyces boulardii7K/yr
- florastor6K/yr
- s boulardii probiotic5K/yr
- optibac s boulardii4K/yr
- florastor probiotics3K/yr
Reviews and returns
What reviews say buyers love and hate about Saccharomyces Boulardii
We read the reviews and the return reasons for every product selling here.
“My stomach has started to settle down now”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
17 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Saccharomyces Boulardii questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









