Is oral probiotics profitable to sell on Amazon United Kingdom?

The niche generates £62K/yr across 13 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -36.4%. Flapen's verdict: Skip it (43/100).

How competitive is the oral probiotics niche?

9 brands and 19 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 89% of demand.

What do buyers complain about in oral probiotics?

Top complaints mined from reviews: Value For Money, Quality-Overall, Functionality-Overall. The return rate is 0.1%.

When does demand for oral probiotics peak?

Demand peaks in Mar; the busiest month runs 1.7× the quietest.

What does it cost to enter the oral probiotics niche?

Listings span £7.28–£26.66; the average listing price is £15.78 (sweet spot $15–$100). The average incumbent carries 1,295 reviews — the moat a new listing must climb.

oral probiotics

Skip it

Soft demand (-36.4% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Avg price

Great£15.78

avg listing price — sweet spot $15–$100

Conversion

Good5.9%

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

Price range

Good£7.28–£26.66

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

Review moat

Good1,294.77

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay89%

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

Competition

Bad80%

top-5 click share — a locked-up shelf

Market size

Bad£62K

£62K/yr · 66K searches

Growth

Bad-36.4%

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

According to Flapen's Amazon United Kingdom niche tracking, oral probiotics is a £62K/yr Amazon United Kingdom market (66K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Mar. Verdict: Skip it — 43/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

oral probiotics market data

Units sold / yr: 5K–6K; avg 250–500/product
Revenue / yr: £79K–£95K; units × avg price
Conversion rate: 5.9%
Avg BSR: #171
Page quality: 0%
Prime: 100%
Sponsored: 92%
Out of stock: 0.0%
Avg brand age: 60 months
Avg seller age: 173 days

Competition & brand share

The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 falling

Sellers

Top-5 brand share

89%

Top 20: 100%

Top-5 click share

80%

Top 20: 100%

Open market

Great Oral Health37%
Horbäach22%
BioGaia12%
DELVINA10%
Nutri Peak8%
Vinco Supplements4%
Open — no brand owns it (3 brands, 7%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -36.4% search growth over the last 90 days.

Peak months: Mar · busiest ÷ quietest = 1.7×

Open Trend

Top oral probiotics search terms

oral probiotics24K/yr -18.1%3.4% conv.
oral probiotics for bad breath20K/yr -55.0%2.6% conv.
oral health probiotics11K/yr -37.3%2.2% conv.
dental probiotics7K/yr -25.7%3.7% conv.
oral probiotics for gum disease4K/yr -14.7%3.8% conv.

All search terms

Top oral probiotics 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 13 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Oral Probiotics for Mouth Bad Breath Treatment for Adults; Dentist Formulated Dental Probiotics for Teeth and Gums Health & Chronic Halitosis with BLIS K12 M18 60 Chewable Oral Health Tablets Mint

Great Oral Health£25.763.9★5,218 rev

Horbäach£7.553.9★137 rev

BioGaia Prodentis Oral Probiotics for Gums & Teeth | 30 Lozenges | Mint

BioGaia£17.814.2★2,329 rev

Delvina Oral Probiotics for Bad Breath Treatment for Adults - 90 Vegan Chewable Tablets for Oral Health Teeth and Gums - Dental Probiotics for Fresh Breath - with Vitamin D3 - Lemon - 3 Month Supply

DELVINA£15.214.0★1,586 rev

Nutri Peak£10.883.8★30 rev

Newest

by launch date

EneriWell Food Supplement Mango Flavour Powder 60 Individual Packets

EneriWell£26.666 rev

9mo ago

Nutri Peak£10.8830 rev

10mo ago

Horbäach£7.55137 rev

2y ago

Dental Probiotics Advanced Oral Probiotics for Mouth Supplement - Bad Breath Treatment for Adults with BLIS K12 & BLIS M18-6 Billion CFU Mint Flavour Chewable Oral Care Tablets - 60 Count

Vinco Supplements£15.41133 rev

3y ago

Delvina Oral Probiotics for Bad Breath Treatment for Adults - 90 Vegan Chewable Tablets for Oral Health Teeth and Gums - Dental Probiotics for Fresh Breath - with Vitamin D3 - Lemon - 3 Month Supply

DELVINA£15.211,586 rev

5y ago

What buyers say about oral probiotics

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

What buyers love

Oral Hygiene13%

“My mouth is always healthy”

Value For Money12%

“Excellent price”

Quality-Overall9%

“No complaints”

Breathability8%

“each morning and I must say that my breath most definitely feels a lot fresher”

Acid Regulator/Stomach Ache Relief8%

“Great for unexplained tummy pain”

Taste-Overall8%

“Taste is power with a hint of mint”

Efficiency5%

“works really well”

Freshness4%

“Fresh and clean”

Nutritional Content4%

“A HEALTHY SUPPLEMENT”

Ease Of Chewing/Swallowing4%

“They are easy to chew”

What buyers complain about

Value For Money15%

“A bit pricey”

Quality-Overall9%

“Look very cheap”

Functionality-Overall9%

“Doesn't work”

Acid Regulator/Stomach Ache Relief8%

“having suffered with bloating for many years now”

Allergies6%

“Allergic reaction”

Taste-Overall5%

“has a herb taste to it, takes a while to kick in, alright price, doesnt last long though”

Side Effects5%

“Caused negative effects on my health”

Regulates Digestion4%

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

Sleep Quality2%

“it has really negatively affected my sleep”

Breathability2%

“Delvina Bad Breath Treatment for Adults”

Top return reasons

Leak-Proof29%

Durability14%

Oily/Greasy14%

Smell14%

Warmth14%

Functionality-Overall14%

Common questions

Is oral probiotics profitable to sell on Amazon United Kingdom?: The niche generates £62K/yr across 13 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -36.4%. Flapen's verdict: Skip it (43/100).
How competitive is the oral probiotics niche?: 9 brands and 19 sellers compete. The top 5 products take 80% of clicks and top 5 brands hold 89% of demand.
What do buyers complain about in oral probiotics?: Top complaints mined from reviews: Value For Money, Quality-Overall, Functionality-Overall. The return rate is 0.1%.
When does demand for oral probiotics peak?: Demand peaks in Mar; the busiest month runs 1.7× the quietest.
What does it cost to enter the oral probiotics niche?: Listings span £7.28–£26.66; the average listing price is £15.78 (sweet spot $15–$100). The average incumbent carries 1,295 reviews — the moat a new listing must climb.