Is mouth guard profitable to sell on Amazon United States?

The niche generates $15.9M/yr across 19 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is -6.8%. Flapen's verdict: Worth a look (64/100).

How competitive is the mouth guard niche?

15 brands and 70 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 75% of demand.

What do buyers complain about in mouth guard?

Top complaints mined from reviews: Size-Overall, Comfort-Overall, Functionality-Overall. The return rate is 1.7%.

When does demand for mouth guard peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the mouth guard niche?

Listings span $8.45–$148.04; the average listing price is $25.29 (sweet spot $15–$100). The average incumbent carries 9,990 reviews — the moat a new listing must climb.

Mouth Guard

Worth a look

Shows a $15.9M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size

Incredible$15.9M

$15.9M/yr · 8.4M searches

Quality gap

Incredible3.9★

avg incumbent rating — lower means beatable quality

Avg price

Incredible$25.29

avg listing price — sweet spot $15–$100

Returns

Great1.7%

return rate — above 5% kills the launch gate

Conversion

Great7.5%

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

Price range

Good$8.45–$148.04

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

Brand share

Good75%

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

Competition

Okay61%

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

Growth

Bad-6.8%

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

Review moat

Bad9,989.58

avg incumbent reviews — the moat a new listing must climb

Signals Quality Gap

Is mouth guard profitable on Amazon?

According to Flapen's Amazon United States niche tracking, mouth guard is a $15.9M/yr Amazon United States market (8.4M searches/yr). The top 5 brands hold 75% of demand. Verdict: Worth a look — 64/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

mouth guard market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 600K–800K; avg 30,000–40,000/product
Revenue / yr: $15.2M–$20.2M; units × avg price
Conversion rate: 7.5%
Avg BSR: #14
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 16.6%
Avg brand age: 51 months
Avg seller age: 141 days

Competition: brands, sellers & click share

The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 rising

Sellers

Top-5 brand share

75%

Top 20: 100%

Top-5 click share

61%

Top 20: 100%

Open market

21%

DenTek44%
Plackers14%
UNIEDI8%
OHALEEP6%
Oral-B4%
SleepRight4%

mouth guard demand & seasonality

Weekly Amazon search volume, last 104 weeks — -6.8% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top mouth guard search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

mouth guard for grinding teeth at night1.2M/yr -10.3%6.4% conv.
mouth guard1.4M/yr -16.8%3.4% conv.
mouth guard for sleeping966K/yr -13.4%5.5% conv.
night guards for teeth grinding876K/yr -29.5%6.2% conv.
night guard454K/yr +29.6%4.8% conv.
football mouth guard687K/yr +76.2%0.3% conv.
mouthguard360K/yr -9.8%2.6% conv.
mouth guard football507K/yr +16.8%0.6% conv.
teeth grinding mouth guard for sleep280K/yr -13.3%4.4% conv.
mouthguard for sleeping195K/yr +9.9%4.5% conv.

All search terms

Top mouth guard products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

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

Top sellers

by 90-day click share

DenTek Professional-Fit Dental Guard Mouth Guard for Grinding Teeth at Night 1 Count

DenTek$15.483.9★23,418 rev

Plackers Grind No More Night Guard Nighttime Protection for Teeth BPA Free Sleep Well Ready to Wear Disposable One Size Fits All 16 Count

Plackers$19.654.1★34,109 rev

Mouth Guard for Grinding Teeth at Night: Moldable Sleeping Mouthguards for Grinding & Clenching - Custom Fit Nighttime Guards for Adults with 12 Cleaning Tablets

UNIEDI$16.834.3★385 rev

DenTek Comfort-Fit Dental Guard Mouth Guard for Grinding Teeth at Night Pack of 2 Guards & 1 Storage Case

DenTek$25.703.9★9,356 rev

Plackers Grind No More Night Guard Nighttime Protection for Teeth Sleep Well BPA Free Ready to Wear Disposable One Size Fits All 10 Count

Plackers$14.964.1★34,109 rev

Newest

by launch date

OHALEEP Anti Grinding Guard for Clenching Teeth at Night Teeth Grinding Mouthguards for Sleeping Mouth Guard for Grinding Teeth at Night Night Guards for Teeth Grinding for Adults

OHALEEP$22.2526 rev

1mo ago

OHALEEP Anti Grinding Guard for Clenching Teeth at Night Teeth Grinding Mouthguards for Sleeping Mouth Guard for Grinding Teeth at Night Night Guards for Teeth Grinding for Adults

OHALEEP$23.04120 rev

2mo ago

Mouth Guard for Grinding Teeth at Night: Mouth Guard for Sleeping - Comfortable & Reusable Adult Night Guards for Teeth Grinding

Reazeal$18.2965 rev

4mo ago

Mouth Guard for Grinding Teeth at Night: Moldable Sleeping Mouthguards for Grinding & Clenching - Custom Fit Nighttime Guards for Adults with 12 Cleaning Tablets

UNIEDI$16.83385 rev

11mo ago

HONEYBULL Anti Grinding Night Guard Set Custom Molded Mouth Guards for Teeth Grinding 2 Thicknesses for Light & Heavy Teeth Grinding Comfortable Fit (6 Pack Mixed)

HONEYBULL$11.68274 rev

12mo ago

What reviews say buyers love and hate about mouth guard

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

What buyers love

Size-Overall12%

“it fits securely”

Comfort-Overall12%

“Comfortable and durable”

Quality-Overall11%

“seems well made”

Ease Of Use10%

“Easy to Fit”

Value For Money8%

“Excellent price”

Oral Hygiene6%

“It does the job of protecting my teeth”

Instructions/User Manual/Troubleshooting4%

“Excellent instructions”

Tooth Sensitivity3%

“Good for teeth”

Advertised Vs Actual Product3%

“As advertised”

Efficiency3%

“does the job also”

What buyers complain about

Size-Overall26%

“Awkward fit”

Comfort-Overall8%

“Its is uncomfortable to wear”

Functionality-Overall8%

“Did not work”

Value For Money7%

“WASTE OF MONEY”

Durability6%

“Bad durability”

Quality-Overall5%

“the build quality is very poor”

Thickness4%

“TO THICK”

Ease Of Use2%

“Difficult to adjust”

Hard Feel2%

“ones that are more of a hard plastic”

Instructions/User Manual/Troubleshooting2%

“Bad instructions”

Top return reasons

Size-Overall46%

Functionality-Overall12%

Comfort-Overall9%

Advertised Vs Actual Product9%

Product Condition3%

Defective Material/Parts3%

Material Quality3%

Shape/Style2%

Value For Money2%

Quality-Overall1%

Common mouth guard questions

Is mouth guard profitable to sell on Amazon United States?: The niche generates $15.9M/yr across 19 tracked products. 4 of 5 products launched in the last 360 days are still selling. 90-day search growth is -6.8%. Flapen's verdict: Worth a look (64/100).
How competitive is the mouth guard niche?: 15 brands and 70 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 75% of demand.
What do buyers complain about in mouth guard?: Top complaints mined from reviews: Size-Overall, Comfort-Overall, Functionality-Overall. The return rate is 1.7%.
When does demand for mouth guard peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the mouth guard niche?: Listings span $8.45–$148.04; the average listing price is $25.29 (sweet spot $15–$100). The average incumbent carries 9,990 reviews — the moat a new listing must climb.