Is acidophilus profitable to sell on Amazon United Kingdom?

The niche generates £61K/yr across 15 tracked products. 90-day search growth is -16.8%. Flapen's verdict: Skip it (40/100).

How competitive is the acidophilus niche?

11 brands and 61 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 86% of demand.

What do buyers complain about in acidophilus?

Top complaints mined from reviews: Acid Regulator/Stomach Ache Relief, Value For Money, Strength. The return rate is 0.0%.

When does demand for acidophilus peak?

Demand peaks in Jan–Oct; the busiest month runs 2.0× the quietest.

What does it cost to enter the acidophilus niche?

Listings span £4.14–£18.68; the average listing price is £9.13 (sweet spot $15–$100). The average incumbent carries 950 reviews — the moat a new listing must climb.

acidophilus

Skip it

A small market ($61K/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible15.1%

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

Review moat

Good950.27

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay86%

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

Avg price

Okay£9.13

avg listing price — sweet spot $15–$100

Price range

Okay£4.14–£18.68

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

Competition

Bad73%

top-5 click share — a locked-up shelf

Growth

Bad-16.8%

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

Market size

Bad£61K

£61K/yr · 45K searches

According to Flapen's Amazon United Kingdom niche tracking, acidophilus is a £61K/yr Amazon United Kingdom market (45K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Jan–Oct. Verdict: Skip it — 40/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

acidophilus market data

Units sold / yr: 6K–8K; avg 250–500/product
Revenue / yr: £55K–£73K; units × avg price
Conversion rate: 15.1%
Avg BSR: #134
Page quality: 0%
Prime: 93%
Sponsored: 53%
Out of stock: 0.5%
Avg brand age: 94 months
Avg seller age: 177 days

Competition & brand share

The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.

Brands

11 flat

Sellers

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

73%

Top 20: 100%

Open market

10%

Natures Aid49%
Solgar15%
Right Choice Supplements13%
Holland & Barrett6%
NEW LEAF PRODUCTS4%
Horbäach4%
Open — no brand owns it (5 brands, 10%)

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — -16.8% search growth over the last 90 days.

Peak months: Jan, Oct · busiest ÷ quietest = 2.0×

Open Trend

Top acidophilus search terms

acidophilus probiotic24K/yr -3.5%8.7% conv.
acidophilus17K/yr -24.1%7.8% conv.
acidophilus capsules4K/yr -66.7%9.7% conv.

All search terms

Top 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Natures Aid Acidophilus Complex 5 Billion Bacteria CFU High Strength Supplement Lactobacillus Acidophilus Rhamnosus Casei Supports Digestive & Immune Health Vegan Gluten-Free Non-GMO 90 Capsules

Natures Aid£7.844.6★1,836 rev

Natures Aid Acidophilus Complex 5 Billion CFU High Strength Probiotic Supplement 5 Billion Live Bacteria Supports Digestive Health & Gut Flora Vegan Gluten Free Non-GMO 60 Capsules

Natures Aid£6.114.6★1,836 rev

Lactobacillus Acidophilus 2 Billion CFU | 180 High Strength Tablets (Not Capsules) | for Men & Women | Vegan Non-GMO Gluten Free & UK Made

Right Choice Supplements£4.144.5★485 rev

Solgar Advanced Acidophilus Plus Vegetable Capsules - Pack of 60 - Supports Digestion - Maintain Healthy Bacteria Levels - Vegan and Gluten Free

Solgar£11.254.6★1,328 rev

Natures Aid Acidophilus Complex 5 Billion Bacteria CFU High Strength Supplement Lactobacillus Acidophilus Rhamnosus Casei Supports Digestive & Immune Health Vegan Gluten-Free Non-GMO 180 Capsules

Natures Aid£15.114.6★1,836 rev

Newest

by launch date

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£8.51325 rev

1y ago

Oxford Origins£4.66435 rev

1y ago

Lactobacillus Acidophilus 2 Billion CFU | 180 High Strength Tablets (Not Capsules) | for Men & Women | Vegan Non-GMO Gluten Free & UK Made

Right Choice Supplements£4.14485 rev

2y ago

Lactobacillus Acidophilus 6 Billion CFU | High Strength Bio Cultures | 120 Vegan Tablets for Men & Women | by Horbaach

Horbäach£6.25137 rev

3y ago

Holland & Barrett Live Friendly Bacteria with Acidophilus 60 Capsules (60)

Holland & Barrett£7.21364 rev

5y ago

What buyers say about acidophilus

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

What buyers love

Value For Money18%

“reasonably priced and very small tablet for fussy tablet takers the perfect choice”

Acid Regulator/Stomach Ache Relief15%

“Great for unexplained tummy pain”

Regulates Digestion14%

“Gut health”

Efficiency11%

“Works well”

Quality-Overall7%

“No complaints”

Ease Of Use5%

“Convenient”

Advertised Vs Actual Product5%

“Does the job”

Nutritional Content5%

“Good gut health”

Vitamin4%

“reasonably priced and very small tablet for fussy tablet takers the perfect choice”

Skin Health3%

“have noticed a massive improvement in my teens skin would recommend to anyone suffering to give these a try”

What buyers complain about

Acid Regulator/Stomach Ache Relief22%

“having suffered with bloating for many years now”

Value For Money13%

“They used to be cheaper to purchase on here”

Strength10%

“weak”

Regulates Digestion7%

“Had to stop using these as they caused severe constipation”

Side Effects7%

“Probably my fault for not reading side effects”

Allergies5%

“having suffered with bloating for many years now”

Natural Resource Wastage5%

“Waste”

Functionality-Overall5%

“They did not work at all”

Stiffness3%

“Feel sluggish and not good in myself”

Blood Sugar Level2%

“She mentioned that the diahorrea has pretty much stopped”

Common questions

Is acidophilus profitable to sell on Amazon United Kingdom?: The niche generates £61K/yr across 15 tracked products. 90-day search growth is -16.8%. Flapen's verdict: Skip it (40/100).
How competitive is the acidophilus niche?: 11 brands and 61 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 86% of demand.
What do buyers complain about in acidophilus?: Top complaints mined from reviews: Acid Regulator/Stomach Ache Relief, Value For Money, Strength. The return rate is 0.0%.
When does demand for acidophilus peak?: Demand peaks in Jan–Oct; the busiest month runs 2.0× the quietest.
What does it cost to enter the acidophilus niche?: Listings span £4.14–£18.68; the average listing price is £9.13 (sweet spot $15–$100). The average incumbent carries 950 reviews — the moat a new listing must climb.