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Saccharomyces Boulardii

Fail

The top 5 products take 90% of clicks, so Saccharomyces Boulardii is a Fail.

Flapen Score
47
47 / 100
Ranks 1,080 of 2,035 Health & Personal Care niches · −1 vs the category median of 48
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.

47Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

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.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 90% of clicks. A locked shelf that new listings rarely crack.

£0£24K£48K£72K£96K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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.

4K3KSpike '25Spike '26SepDecMarJunAugNovMarMay

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.

13%of positive reviews mention “Acid Regulator/Stomach Ache Relief”
11%of negative reviews mention “Acid Regulator/Stomach Ache Relief”
<0.1%of orders come back, a rate Amazon rounds to zero
“My stomach has started to settle down now”
A buyer, on “Acid Regulator/Stomach Ache Relief”11% of negative reviews mention the same topic

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

NegativePositive

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