---
title: "Lactobacillus Acidophilus — £42K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/lactobacillus-acidophilus"
last_updated: "2026-07-31T17:16:36.899Z"
locale: en
meta:
  description: "Niche score 50/100 · £42K/yr market · 58K searches/yr · £11.35 avg price. A small market ($42K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 50/100 · £42K/yr market · 58K searches/yr · £11.35 avg price. A small market ($42K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Lactobacillus Acidophilus — £42K/yr Amazon UK Niche (2026) - Flapen"
---

# **lactobacillus acidophilus**

**Worth a look**

Shows low returns (0.1%), but a small market ($42K/yr) keeps it on the watch list.

Market size 11Growth 25Conversion 70Competition 66Returns 100Price range 47Avg price 45Brand share 60Review moat 49Quality gap 43

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Conversion**

**Good****6.4%**

search→purchase rate — share of searches ending in a sale

**Competition**

**Good****45%**

top-5 click share — leaders hold, buyers still browse

**Brand share**

**Good****69%**

top-5 brand share — brands hold most of the demand

**Review moat**

**Okay****1,556.17**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Okay****£4.14–£24.48**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Avg price**

**Okay****£11.35**

avg listing price — sweet spot $15–$100

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-0.6%**

90-day search growth — must beat 0% to launch

**Market size**

**Bad****£42K**

£42K/yr · 58K searches

According to Flapen's Amazon United Kingdom niche tracking, lactobacillus acidophilus is a £42K/yr Amazon United Kingdom market (58K searches/yr). The top 5 brands hold 69% of demand. Verdict: Worth a look — 50/100.

Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **lactobacillus acidophilus market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**6K–8K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**£68K–£91K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**6.4%**</dd>

<dt>**Avg BSR**</dt><dd>**#219**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**72%**</dd>

<dt>**Out of stock**</dt><dd>**4.7%**</dd>

<dt>**Avg brand age**</dt><dd>**67 months**</dd>

<dt>**Avg seller age**</dt><dd>**170 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**20 **▲rising

**Sellers**

**71**

**Top-5 brand share**

**69%**

Top 20: 100%

**Top-5 click share**

**45%**

Top 20: 91%

**Open market**

**26%**

- Pro-Ven35% - Lindens11% - Free Soul9% - Nu U Nutrition9% - Right Choice Supplements5% - Natures Aid5%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -0.6% search growth over the last 90 days.

2K1KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

[**Open Trend **](https://flapen.com/research/uk/health-personal-care/lactobacillus-acidophilus/trend)

## **Top lactobacillus acidophilus search terms**

- **lactobacillus**20K/yr-16.4%3.1% conv. - **proven probiotics**16K/yr+4.2%2.0% conv. - **lactobacillus acidophilus**11K/yr-0.6%4.7% conv. - **proven probiotics for women**4K/yr+44.7%2.2% conv. - **proven**4K/yr+17.2%1.5% conv. - **pro ven probiotic women**2K/yr+29.8%3.1% conv. - **lactobacillus probiotic**2K/yr-11.2%1.3% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/lactobacillus-acidophilus/search-terms)

## **Top lactobacillus acidophilus 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%3%£1K6%£3K9%£4K12%£5K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Proven Biotics Womens Intimate Flora | 30 Probiotic Capsules | 20 Billion Live Bacteria with Lactobacillus & Vitamins A D | for the Vaginal & Gut Microbiomes](https://m.media-amazon.com/images/I/41XckXiEGbL.jpg)**Proven Biotics Womens Intimate Flora | 30 Probiotic Capsules | 20 Billion Live Bacteria with Lactobacillus & Vitamins A D | for the Vaginal & Gut Microbiomes**Pro-Ven**£16.08**4.4★19 rev](https://www.amazon.co.uk/dp/B0GJTNMWK9) [2![Lindens - Pro Billion Daily - Acidophilus Lactobacillus - 120 Capsules - UK Made - 1 Billion CFU Friendly Bacteria - Supports Digestive Health - Vegan Friendly - GMP & Letterbox Friendly](https://m.media-amazon.com/images/I/41nTeiRiF3L.jpg)**Lindens - Pro Billion Daily - Acidophilus Lactobacillus - 120 Capsules - UK Made - 1 Billion CFU Friendly Bacteria - Supports Digestive Health - Vegan Friendly - GMP & Letterbox Friendly**Lindens**£6.37**4.7★214 rev](https://www.amazon.co.uk/dp/B07FMBSHDZ) [3![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](https://m.media-amazon.com/images/I/41YUm0LwJzL.jpg)**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**Free Soul**£8.25**4.4★2,235 rev](https://www.amazon.co.uk/dp/B0B5XLMP28) [4![Bio-Cultures Complex - 180 High Strength Capsules - Lactobacillus Acidophilus Rhamnosus & Bifidobacterium - 6 Month Supply - Gentle Vegetarian Multi-Strain Formula for Men & Women - Nu U Nutrition](https://m.media-amazon.com/images/I/41DxXSZ5K1L.jpg)**Bio-Cultures Complex - 180 High Strength Capsules - Lactobacillus Acidophilus Rhamnosus & Bifidobacterium - 6 Month Supply - Gentle Vegetarian Multi-Strain Formula for Men & Women - Nu U Nutrition**Nu U Nutrition**£16.43**4.5★9,646 rev](https://www.amazon.co.uk/dp/B00VEILW04) [5![Pro-Ven Biotics ShapeLine Bioform | Supports a shapelier You | As seen in Daily Mail | 50 Billion CFU | Gut Health Supplement | 30 Capsules](https://m.media-amazon.com/images/I/41KHWf1o7CL.jpg)**Pro-Ven Biotics ShapeLine Bioform | Supports a shapelier You | As seen in Daily Mail | 50 Billion CFU | Gut Health Supplement | 30 Capsules**Pro-Ven**£14.98**4.3★136 rev](https://www.amazon.co.uk/dp/B084134HPW)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Pro-Ven Biotics for Adults Digestive Health & Immune System Support | 25 Billion CFU & Multivitamin Supplement | High-Strength Gut Support | 60 Capsules](https://m.media-amazon.com/images/I/31rkoF5Jx3L.jpg)**Pro-Ven Biotics for Adults Digestive Health & Immune System Support | 25 Billion CFU & Multivitamin Supplement | High-Strength Gut Support | 60 Capsules**Pro-Ven**£17.86**0 rev5mo ago](https://www.amazon.co.uk/dp/B0GPR1G9HX) [![Proven Biotics Womens Intimate Flora | 30 Probiotic Capsules | 20 Billion Live Bacteria with Lactobacillus & Vitamins A D | for the Vaginal & Gut Microbiomes](https://m.media-amazon.com/images/I/41XckXiEGbL.jpg)**Proven Biotics Womens Intimate Flora | 30 Probiotic Capsules | 20 Billion Live Bacteria with Lactobacillus & Vitamins A D | for the Vaginal & Gut Microbiomes**Pro-Ven**£16.08**19 rev6mo ago](https://www.amazon.co.uk/dp/B0GJTNMWK9) [![Pro-Ven Biotics for Menopause & Perimenopause | Multinutrients Ashwaganda Soy Milk Thistle | 50 Billion CFU Clinically Tested Friendly Bacteria 60 Capsules](https://m.media-amazon.com/images/I/41JTPxX4LEL.jpg)**Pro-Ven Biotics for Menopause & Perimenopause | Multinutrients Ashwaganda Soy Milk Thistle | 50 Billion CFU Clinically Tested Friendly Bacteria 60 Capsules**Pro-Ven**£22.90**24 rev9mo ago](https://www.amazon.co.uk/dp/B0FW5J6WDC) [![Probiotics for Gut Health 7 Strains with Lactobacillus & Bifidobacterium 28 Billion CFU per Day Supports Digestion Transit & Microbiome 60 Vegan Capsules Vitavea Quality](https://m.media-amazon.com/images/I/41Sk9VQkb8L.jpg)**Probiotics for Gut Health 7 Strains with Lactobacillus & Bifidobacterium 28 Billion CFU per Day Supports Digestion Transit & Microbiome 60 Vegan Capsules Vitavea Quality**Vitavea**£9.37**43 rev10mo ago](https://www.amazon.co.uk/dp/B0FPD9KF7K) [![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](https://m.media-amazon.com/images/I/41yIyD0sN4L.jpg)**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**NEW LEAF PRODUCTS**£8.51**325 rev1y ago](https://www.amazon.co.uk/dp/B0FG2TGRZN)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Pro-Ven Biotics for Adults Digestive Health & Immune System Support | 25 Billion CFU & Multivitamin Supplement | High-Strength Gut Support | 60 Capsules](https://m.media-amazon.com/images/I/31rkoF5Jx3L.jpg)**Pro-Ven Biotics for Adults Digestive Health & Immune System Support | 25 Billion CFU & Multivitamin Supplement | High-Strength Gut Support | 60 Capsules**Pro-Ven**£17.86**0.0★**▲ 246%**](https://www.amazon.co.uk/dp/B0GPR1G9HX) [![Proven Biotics Womens Intimate Flora | 30 Probiotic Capsules | 20 Billion Live Bacteria with Lactobacillus & Vitamins A D | for the Vaginal & Gut Microbiomes](https://m.media-amazon.com/images/I/41XckXiEGbL.jpg)**Proven Biotics Womens Intimate Flora | 30 Probiotic Capsules | 20 Billion Live Bacteria with Lactobacillus & Vitamins A D | for the Vaginal & Gut Microbiomes**Pro-Ven**£16.08**4.4★**▲ 202%**](https://www.amazon.co.uk/dp/B0GJTNMWK9) [![Pro-Ven Biotics for Menopause & Perimenopause | Multinutrients Ashwaganda Soy Milk Thistle | 50 Billion CFU Clinically Tested Friendly Bacteria 60 Capsules](https://m.media-amazon.com/images/I/41JTPxX4LEL.jpg)**Pro-Ven Biotics for Menopause & Perimenopause | Multinutrients Ashwaganda Soy Milk Thistle | 50 Billion CFU Clinically Tested Friendly Bacteria 60 Capsules**Pro-Ven**£22.90**4.7★**▲ 195%**](https://www.amazon.co.uk/dp/B0FW5J6WDC) [![Bio-Kult Everyday Multi-Strain Formulation Probiotics for Digestive System 60 Capsules (Pack of 1)](https://m.media-amazon.com/images/I/4127PQiZvDL.jpg)**Bio-Kult Everyday Multi-Strain Formulation Probiotics for Digestive System 60 Capsules (Pack of 1)**Bio-Kult**£10.43**4.5★**▲ 79%**](https://www.amazon.co.uk/dp/B004SH1PAU) [![Lindens - Pro Billion Daily - Acidophilus Lactobacillus - 120 Capsules - UK Made - 1 Billion CFU Friendly Bacteria - Supports Digestive Health - Vegan Friendly - GMP & Letterbox Friendly](https://m.media-amazon.com/images/I/41nTeiRiF3L.jpg)**Lindens - Pro Billion Daily - Acidophilus Lactobacillus - 120 Capsules - UK Made - 1 Billion CFU Friendly Bacteria - Supports Digestive Health - Vegan Friendly - GMP & Letterbox Friendly**Lindens**£6.37**4.7★**▲ 59%**](https://www.amazon.co.uk/dp/B07FMBSHDZ)

**~~View all trending →~~**

## **What buyers say about lactobacillus acidophilus**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**15%

*“Great quality tablets”*

**Value For Money**10%

*“Excellent price”*

**Acid Regulator/Stomach Ache Relief**8%

*“Great for unexplained tummy pain”*

**Efficiency**7%

*“Effective”*

**Nutritional Content**7%

*“Great probiotics”*

**Regulates Digestion**7%

*“Shes been taking them daily with breakfast for a few weeks now and reckons theyve helped with bloating and general gut comfort”*

**Ease Of Chewing/Swallowing**6%

*“The easy swallow, good size, two-capsule dose provides 50 billion CFU of the Lab4P friendly bacteria, with vitamins, minerals and botanicals to support the body during this delicate time”*

**Vitamin**5%

*“I highly recomend these vitamins”*

**Ease Of Use**5%

*“easy to use”*

**Side Effects**4%

*“no side effects”*

### **What buyers complain about **

**Functionality-Overall**15%

*“Did absolutely nothing”*

**Value For Money**9%

*“Waste of money”*

**Side Effects**9%

*“was nauseaus first day”*

**Acid Regulator/Stomach Ache Relief**9%

*“experience stomach pain”*

**Regulates Digestion**5%

*“Gave very bad bloating”*

**Allergies**4%

*“Allergic reaction”*

**Quality-Overall**4%

*“Poor quality”*

**Dosage**3%

*“As a result shes on 10 tablets a day which cause havoc to her system”*

**Size-Overall**3%

*“The bottle is small, 15ml,”*

**Advertised Vs Actual Product**2%

*“As false advertising”*

## **Common questions**

<dl>

<dt>**Is lactobacillus acidophilus profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £42K/yr across 29 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -0.6%. Flapen's verdict: Worth a look (50/100).</dd>

<dt>**How competitive is the lactobacillus acidophilus niche?**</dt><dd>20 brands and 71 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 69% of demand.</dd>

<dt>**What do buyers complain about in lactobacillus acidophilus?**</dt><dd>Top complaints mined from reviews: Functionality-Overall, Value For Money, Side Effects. The return rate is 0.1%.</dd>

<dt>**When does demand for lactobacillus acidophilus peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.2× the quietest.</dd>

<dt>**What does it cost to enter the lactobacillus acidophilus niche?**</dt><dd>Listings span £4.14–£24.48; the average listing price is £11.35 (sweet spot $15–$100). The average incumbent carries 1,556 reviews — the moat a new listing must climb.</dd>

</dl>

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