Is mouth guard for teeth grinding profitable to sell on Amazon United Kingdom?

The niche generates £807K/yr across 18 tracked products. 5 of 9 products launched in the last 360 days are still selling. 90-day search growth is -21.9%. Flapen's verdict: Worth a look (60/100).

How competitive is the mouth guard for teeth grinding niche?

13 brands and 29 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 70% of demand.

What do buyers complain about in mouth guard for teeth grinding?

Top complaints mined from reviews: Size-Overall, Oral Hygiene, Comfort-Overall. The return rate is 0.9%.

When does demand for mouth guard for teeth grinding peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the mouth guard for teeth grinding niche?

Listings span £7.49–£26.71; the average listing price is £12.38 (sweet spot $15–$100). The average incumbent carries 2,340 reviews — the moat a new listing must climb.

mouth guard for teeth grinding

Worth a look

Shows beatable incumbent ratings (3.8★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Quality gap

Incredible3.8★

avg incumbent rating — lower means beatable quality

Returns

Incredible0.9%

return rate — above 5% kills the launch gate

Conversion

Great10.6%

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

Market size

Good£807K

£807K/yr · 616K searches

Price range

Good£7.49–£26.71

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

Brand share

Good70%

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

Avg price

Good£12.38

avg listing price — sweet spot $15–$100

Review moat

Okay2,339.89

avg incumbent reviews — the moat a new listing must climb

Competition

Okay63%

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

Growth

Bad-21.9%

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

Signals Quality Gap Out of Stock

According to Flapen's Amazon United Kingdom niche tracking, mouth guard for teeth grinding is a £807K/yr Amazon United Kingdom market (616K searches/yr). The top 5 brands hold 70% of demand. Verdict: Worth a look — 60/100.

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

mouth guard for teeth grinding market data

Units sold / yr: 50K–60K; avg 3,000–4,000/product
Revenue / yr: £619K–£743K; units × avg price
Conversion rate: 10.6%
Avg BSR: #14
Page quality: 0%
Prime: 94%
Sponsored: 89%
Out of stock: 0.5%
Avg brand age: 34 months
Avg seller age: 190 days

Competition & brand share

The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 rising

Sellers

Top-5 brand share

70%

Top 20: 100%

Top-5 click share

63%

Top 20: 100%

Open market

25%

Reazeal23%
TheSleepGuard20%
Psecici12%
Opro8%
HONEYBULL7%
Huzayl home store5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -21.9% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top mouth guard for teeth grinding search terms

mouth guard for teeth grinding209K/yr -20.1%10.0% conv.
mouth guard for sleeping45K/yr -25.0%6.7% conv.
night guard teeth grinding adult41K/yr -21.1%9.3% conv.
teeth grinding night guard for adults31K/yr -3.3%9.8% conv.
gum shield for grinding teeth31K/yr -15.7%11.2% conv.
night guard27K/yr -16.1%7.1% conv.
mouthguard for teeth grinding25K/yr -20.5%10.7% conv.
sleep mouth guard20K/yr -21.2%7.8% conv.
teeth grinding guard39K/yr -52.1%6.5% conv.
bruxism mouth guard20K/yr -28.8%7.5% conv.

All search terms

Top mouth guard for teeth grinding 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 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Mouth Guard for Grinding Teeth at Night: Moldable Dental Guard for Sleeping (4 Guards)

Reazeal£10.294.0★15,971 rev

TheSleepGuard Mouth Guard for Clenching Teeth at Night [Pack of 4 Small & Large Sizes] Custom Night Guards for Teeth Grinding Nighttime Protection During Sleep for Men and Women

TheSleepGuard£12.633.9★4,436 rev

OPRO Dentist Recommended Night Guard Clenching and Grinding Teeth Bruxism TMJ Relief. Slim Fit Customisable Size Restful Sleep. Dental Antimicrobial Nightguard Case Included (Clear)

Opro£12.613.6★865 rev

4 Pack Sleeping Mouth Guard for Clenching Teeth at Night Stops Bruxism Reusable Mouth Guards Grinding Teeth for Adults & Kids

Psecici£10.263.5★27 rev

HONEYBULL Anti Grinding Guard Set Comfortable Custom Mouth Guard for Nighttime Teeth Grinding (Mix 6.0 Count)

HONEYBULL£7.493.9★13,636 rev

Newest

by launch date

4 Pack Sleeping Mouth Guard for Clenching Teeth at Night Stops Bruxism Reusable Mouth Guards Grinding Teeth for Adults & Kids (with a Travel Cases)

Psecici£10.1560 rev

3w ago

4 Pack Sleeping Mouth Guard for Clenching Teeth at Night Stops Bruxism Reusable Mouth Guards Grinding Teeth for Adults & Kids (with a Travel Cases)

Psecici£10.1110 rev

1mo ago

4 Pack Sleeping Mouth Guard for Clenching Teeth at Night Stops Bruxism Reusable Mouth Guards Grinding Teeth for Adults & Kids

Psecici£10.2627 rev

3mo ago

Mouth Guard for Grinding Teeth at Night: Moldable Sleeping Mouthguards for Grinding & Clenching - Custom Fit Nighttime Guards for Adults 4 Pack

Elsophie£16.4371 rev

3mo ago

Mouth Guard for Teeth Grinding and Clenching 4 Pack Moldable Night Guards for Sleeping Reusable Dental Protector for Bruxism Adults & Kids with Travel Case

Fleafer£10.0411 rev

4mo ago

What buyers say about mouth guard for teeth grinding

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

What buyers love

Oral Hygiene15%

“Good for dental hygiene”

Ease Of Use13%

“Ease of use”

Size-Overall11%

“Easy to fit”

Quality-Overall11%

“Overall, it feels like a solid, well-made product that actually does what it promises”

Comfort-Overall11%

“Comfortable fit”

Value For Money8%

“For the price its great”

Instructions/User Manual/Troubleshooting4%

“Instructions were clear”

Advertised Vs Actual Product3%

“Better than expected”

Tooth Sensitivity3%

“These have massively helped, gums aren't sore they're soft and comfortable, and clenching unintentionally and grinding my teeth they've likely helped save my teeth”

Efficiency2%

“Dows the job”

What buyers complain about

Size-Overall21%

“Too small”

Oral Hygiene8%

“UK dental care is in a dire situation”

Comfort-Overall7%

“Hard and uncomfortable”

Quality-Overall5%

“Absolute rubbish”

Value For Money5%

“Waste of money”

Functionality-Overall5%

“doesnt close properly”

Instructions/User Manual/Troubleshooting4%

“No written instructions”

Thickness4%

“Its much thicker than the picture indicates”

Ease Of Use3%

“become very difficult to work with”

Durability3%

“Not durable”

Top return reasons

Size-Overall38%

Functionality-Overall13%

Advertised Vs Actual Product7%

Quality-Overall6%

Comfort-Overall5%

Compatibility-Overall4%

Oral Hygiene3%

Instructions/User Manual/Troubleshooting3%