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vsl3 probiotic

Skip it

A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.

Market size 21Growth 22Conversion 72Competition 0Returns 100Price range 95Avg price 95Brand share 0Review moat 99Quality gap 84

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Review moat

Incredible19.6

avg incumbent reviews — the moat a new listing must climb

Avg price

Incredible£43.14

avg listing price — sweet spot $15–$100

Price range

Incredible£15.48–£99.99

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

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Conversion

Good6.7%

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

Growth

Bad-5.7%

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

Market size

Bad£85K

£85K/yr · 29K searches

Competition

Bad100%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United Kingdom niche tracking, vsl3 probiotic is a £85K/yr Amazon United Kingdom market (29K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug. Verdict: Skip it — 47/100.

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

vsl3 probiotic market data

Units sold / yr
3K–3K
avg 250–500/product
Revenue / yr
£108K–£129K
units × avg price
Conversion rate
6.7%
Avg BSR
#561
Page quality
0%
Prime
20%
Sponsored
40%
Out of stock
30.8%
Avg brand age
69 months
Avg seller age
162 days

Competition & brand share

The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 falling

Sellers

17

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

0%

  • VIVOMIXX56%
  • VSL #329%
  • Vivomixx8%
  • Generic8%

Demand & seasonality

Weekly Amazon search volume, last 98 weeks — -5.7% search growth over the last 90 days.
600400Spike '24Black Friday '24Spike '25DecMarJunAugNovMarMay

Peak months: Aug · busiest ÷ quietest = 1.7×

Top vsl3 probiotic search terms

  • vsl#3 probiotic10K/yr
  • vsl38K/yr
  • vivomixx5K/yr
  • vsl3 probiotic4K/yr
  • vivomixx probiotic 450 billion2K/yr
  • vivomixx probiotic1K/yr
All search terms

Top vsl3 probiotic 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%15%£13K30%£25K45%£38K60%£51K110100 Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 5 tracked products in this niche — three views at once, no toggling.

What buyers say about vsl3 probiotic

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

What buyers love

Acid Regulator/Stomach Ache Relief25%

“Great for unexplained tummy pain”

Value For Money18%

“Excellent price”

Nutritional Content14%

“Good gut health”

Efficiency9%

“Work well for me”

Taste-Overall9%

“Amazing choice for anyone who has acidity”

Regulates Digestion6%

“Very easy to digest”

Quality-Overall4%

“No complaints”

Breathability3%

“my bad breath improved so much”

Vitamin3%

“I got on well with this probiotic”

Strength2%

“Solid All Rounder”

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”

Solubility10%

“Doesn't dissolve”

Strength10%

“Far too strong for my ibd dog”

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”

Stiffness3%

“Feel sluggish and not good in myself”

Blood Sugar Level2%

“She mentioned that the diahorrea has pretty much stopped”

Heart Health2%

“In 2025 my 86-year-old mother survived a massive heart attack”

Common questions

Is vsl3 probiotic profitable to sell on Amazon United Kingdom?
The niche generates £85K/yr across 5 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -5.7%. Flapen's verdict: Skip it (47/100).
How competitive is the vsl3 probiotic niche?
4 brands and 17 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in vsl3 probiotic?
Top complaints mined from reviews: Acid Regulator/Stomach Ache Relief, Value For Money, Solubility. The return rate is 0.0%.
When does demand for vsl3 probiotic peak?
Demand peaks in Aug; the busiest month runs 1.7× the quietest.
What does it cost to enter the vsl3 probiotic niche?
Listings span £15.48–£99.99; the average listing price is £43.14 (sweet spot $15–$100). The average incumbent carries 20 reviews — the moat a new listing must climb.