Probiotics
MaybeAn estimated 0.1% of orders come back. But demand is soft, at -12.1% this quarter, so Probiotics is a Maybe.
- Flapen Score
- 62 / 100Top 6% of 2,035 Health & Personal Care niches · +14 vs the category median of 4862
- Market size
- £2.7M/yr2.3M searches / yr
- 90-day growth
- -12.1%search demand this quarter
- Competition
- 53%top-5 click share · 14 brands · 102 sellers
Flapen Score
Probiotics against its category
The dotted line is the Health & Personal Care average. Past it, Probiotics is stronger. Inside it, weaker.
Market
The Probiotics market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Probiotics 2.3M times last year and spent an estimated £2.7M. The top 5 brands take 69% of clicks. Flapen scores it 62 out of 100, a Maybe.
01 · Demand
An estimated 8.7% of those searches ended in a purchase.
Shoppers searched for this 2.3M times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 8.7% of those searches ended in a purchase. Searches in the last 90 days moved -12.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated £2.7M a year.
- Searches, last 12 months
- 2.3M
- Growth, 90 days vs prior 90
- -12.1%
- Conversion, latest week
- 8.7%
- Market size, estimated
- £2.7Ma year
- Peak month
- January1.3× the quietest month
- Top search term
- probiotics726K searches a year
02 · Price
A sale here is worth £13.34.
Listings sell for £13.34 on average, from £4.14 to £52.39. Amazon reports units sold in ranges. This niche sold 200K to 250K a year. The average listing sells 12,500 to 15,000 of them. At £13.34 that is £167K to £200K a year per listing.
- Average price
- £13.34under the $15 to $100 sweet spot
- Price range
- £4.14–£52.39
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 200K–250K
- Units per listing a year
- 12,500–15,000
- Revenue per listing a year
- £167K–£200K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
84% of listings pay for placement with sponsored ads. 96% ship with Prime. On an average day, 5.0% of listings are out of stock. The average listing ranks #45 within Bacterial Cultures. It carries 2,345 reviews at 4.54 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 84%
- Prime listings
- 96%
- Out of stock, average day
- 5.0%
- Average rank
- #45in Bacterial Cultures
- Average rating
- 4.54 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 2,345per listing
- Listings tracked
- 25
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 52 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 52 months
Products
Top Probiotics 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
Bio-Kult Everyday Multi-Strain Formulation Probiotics for Digestive System 60 Capsules (Pack of 1)
- Price
- £10.43
- Rating
- 4.5/5
- Reviews
- 9,489
- Age
- 17y ago

Intimate Flora Probiotics for Women | 20 Billion CFU Fortified with 15 000mg Cranberry Fenugreek & Chlorella | Bio Cultures for Womens Intimate Flora | 60 Capsules | Free Soul
- Price
- £8.25
- Rating
- 4.4/5
- Reviews
- 2,235
- Age
- 4y ago

Bio Cultures 80 Billion CFU: 20 Live Strains - Gut Health Supplements for Women & Men - 2 Month Supply - Including Lactobacillus Acidophilus & Casei High Strength Bio Cultures 60 Capsules UK Made
- Price
- £8.51
- Rating
- 4.5/5
- Reviews
- 325
- Age
- 1y ago

Bio-Kult Everyday | 14 Strains | Daily Gut Support for Ages 3+ | Live Bacteria Supplement | 30 Capsules
- Price
- £5.18
- Rating
- 4.5/5
- Reviews
- 9,489
- Age
- 15y ago

Zipvit Bio Cultures 6 Billion CFU with Prebiotic Includes Lactobacillus & Bifidobacterium 5 Live Strains 60 Vegetarian Capsules 2 Months Supply
- Price
- £7.49
- Rating
- 4.5/5
- Reviews
- 3,635
- Age
- 7y ago
Trending
estimated 90-day click momentum
Hybrid Health Pre & Pro-Bio Cultures - 2 Months Supply 100 Billion CFU 20 Live Cultures with Fibres Multi-Strain Daily Pro Bio Cultures for Men & Women Vegan
- Price
- £8.29
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3w ago

Bio Cultures Complex - Gut Health Live Bacteria Supplements for Men & Women - 20 Billion CFU - 30 Acid-Resistant Capsules - Multi-Strain Vegan Tablets with Acidophilus
- Price
- £9.12
- Rating
- 4.4/5
- Reviews
- 1,336
- Age
- 5y ago

Bio-Kult Everyday | 14 Strains | Daily Gut Support for Ages 3+ | Live Bacteria Supplement | 30 Capsules
- Price
- £5.18
- Rating
- 4.5/5
- Reviews
- 9,489
- Age
- 15y ago

Optibac Every Day Extra - Advanced Daily Digestive Supplement - Most Researched Lactobacillus Acidophilus - 90 Vegan Capsules
- Price
- £52.39
- Rating
- 4.7/5
- Reviews
- 499
- Age
- 12y ago

Optibac for Women - Vaginal Live Cultures - Most Researched Strains for Intimate Flora - Lactobacillus Reuteri RC-14 & Lactobacillus Rhamnosus GR-1-60 Vegan Capsules
- Price
- £29.85
- Rating
- 4.6/5
- Reviews
- 1,903
- Age
- 6y ago
Newest
by launch date
Hybrid Health Pre & Pro-Bio Cultures - 2 Months Supply 100 Billion CFU 20 Live Cultures with Fibres Multi-Strain Daily Pro Bio Cultures for Men & Women Vegan
- Price
- £8.29
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3w ago

Bio Cultures 80 Billion CFU: 20 Live Strains - Gut Health Supplements for Women & Men - 2 Month Supply - Including Lactobacillus Acidophilus & Casei High Strength Bio Cultures 60 Capsules UK Made
- Price
- £8.51
- Rating
- 4.5/5
- Reviews
- 325
- Age
- 1y ago

Daily Pro Bio Cultures | One-a-Day Live Cultures Supplement for Gut Health | 550 Million CFU Lactobacillus Acidophilus | 120 Mini Tablets | Vegan & Gluten-Free | 4-Month Supply | Made in the UK
- Price
- £4.66
- Rating
- 4.4/5
- Reviews
- 435
- Age
- 1y ago

80 Billion CFU Probiotics - 20 Strains + Prebiotics | Lactobacillus and Bifidobacterium Strains | Probiotics for Women and Men | Made in The UK 2 Month Supply
- Price
- £8.28
- Rating
- 4.5/5
- Reviews
- 2,101
- Age
- 2y ago

Wellgard Gutstar Bio Cultures for Gut Health 20 Billion CFU - 16 Strains Bio Culture Supplement for Women & Men with Fennel Ginger & Vitamin B12 Vegan 30 Capsules UK Made
- Price
- £10.19
- Rating
- 4.6/5
- Reviews
- 693
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 53% of clicks. Leaders hold, but buyers still shop past them.
Brands
14 rising
Sellers
102
Est. top-5 brand share
69%
Top 20: 100%
Est. top-5 click share
53%
Top 20: 95%
Open market
25%
- Bio-Kult27%
- Optibac Probiotics16%
- Free Soul9%
- NEW LEAF PRODUCTS9%
- Zipvit8%
- Wellgard6%
Demand
Probiotics search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Probiotics search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- probiotics726K/yr
- probiotics for women331K/yr
- optibac probiotics188K/yr
- gut health194K/yr
- probiotics for gut health210K/yr
- probiotic109K/yr
- optibac94K/yr
- gut health supplements68K/yr
- probiotics for men42K/yr
- bio kult52K/yr
Reviews and returns
What reviews say buyers love and hate about Probiotics
We read the reviews and the return reasons for every product selling here.
“Didn't work for me”
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.
15 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 Probiotics 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









