Is reverse cavities naturally profitable to sell on Amazon United States?

The niche generates $227K/yr across 23 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -36.5%. Flapen's verdict: Worth a look (52/100).

How competitive is the reverse cavities naturally niche?

11 brands and 31 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 84% of demand.

What do buyers complain about in reverse cavities naturally?

Top complaints mined from reviews: Oral Hygiene, Value For Money, Taste-Overall. The return rate is 0.3%.

When does demand for reverse cavities naturally peak?

Demand peaks in Jan–Feb–Oct–Nov; the busiest month runs 2.6× the quietest.

What does it cost to enter the reverse cavities naturally niche?

Listings span $9.49–$68.04; the average listing price is $24.57 (sweet spot $15–$100). The average incumbent carries 7,060 reviews — the moat a new listing must climb.

reverse cavities naturally

Worth a look

Shows low returns (0.3%), but soft demand (-36.5% this quarter) keeps it on the watch list.

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Avg price

Incredible$24.57

avg listing price — sweet spot $15–$100

Price range

Great$9.49–$68.04

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

Conversion

Great8.8%

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Market size

Okay$227K

$227K/yr · 105K searches

Competition

Okay63%

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

Brand share

Okay84%

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

Review moat

Bad7,060.09

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-36.5%

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

According to Flapen's Amazon United States niche tracking, reverse cavities naturally is a $227K/yr Amazon United States market (105K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Jan–Feb–Oct–Nov. Verdict: Worth a look — 52/100.

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

reverse cavities naturally market data

Units sold / yr: 6K–8K; avg 250–500/product
Revenue / yr: $147K–$197K; units × avg price
Conversion rate: 8.8%
Avg BSR: #382
Page quality: 0%
Prime: 100%
Sponsored: 83%
Out of stock: 0.0%
Avg brand age: 41 months
Avg seller age: 138 days

Competition & brand share

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

Brands

11 falling

Sellers

Top-5 brand share

84%

Top 20: 93%

Top-5 click share

63%

Top 20: 96%

Open market

10%

CAREDO69%
Boka7%
--7%
Dr. Glow3%
VENUECO3%
Viva Doria3%
Open — no brand owns it (5 brands, 10%)

Demand & seasonality

Weekly Amazon search volume, last 89 weeks — -36.5% search growth over the last 90 days.

Peak months: Jan, Feb, Oct, Nov · busiest ÷ quietest = 2.6×

Open Trend

Top reverse cavities naturally search terms

cavity reversal65K/yr -57.4%2.7% conv.
caredo toothpaste18K/yr +0.5%11.0% conv.
caredo9K/yr -0.3%9.1% conv.
reverse cavities7K/yr -23.6%3.9% conv.
caredo reverse cavity toothpaste4K/yr -26.9%14.0% conv.
reverse cavities naturally2K/yr -49.1%1.2% conv.

All search terms

Top reverse cavities naturally 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 23 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

CAREDO Cavity Reversal Hydroxyapatite Toothpaste for Adults Cavity Tooth Filler as Home Cavity Repair Fluoride Free Reverse Cavities Treatment for Tooth Decay Repair Remineralizing Repair 3.52OZ

CAREDO$26.614.2★1,515 rev

CAREDO Gum Toothpaste for Periodontitis Gum Repair for Receding Gums Gum Disease & Gingivitis Treatment Periodontal Disease Treatment for Gum Health Gum Disease Repair Bad Breath Toothpaste 3.52OZ

CAREDO$25.454.3★1,893 rev

Mouthology 10% Nano Hydroxyapatite Toothpaste Fluoride Free Whitening* Rod Shaped nHA Xylitol Toothpaste for Adults Enamel Care* Sensitive Teeth* SLS Free Mint 4oz (USA Made) Package May Vary

--$11.724.5★6,112 rev

Boka Fluoride Free Toothpaste Nano Hydroxyapatite Toothpaste Appropriate for Sensitive Teeth - for Adult Oral Care - Ela Mint Flavor 4 Fl Oz 1Pk

Boka$11.574.5★59,113 rev

Toothpaste Gum Repair for Avoid Root Canal Therapy Gingivitis Treatment for Pulpitis Discomforts and Tooth Repair Remineralizing Hydroxyapatite Toothpaste for Root Canal Discomforts Mint 3.52 OZ

CAREDO$28.424.2★218 rev

Newest

by launch date

CAREDO Oral Soothing Cream for Tooth & Gum Discomfort Helps Calm Gum Swelling Mouth Irritation & Canker Sores Hydroxyapatite Oral Care Gel for Post-Dental Comfort Implants & Braces 0.56 oz

CAREDO$18.7714 rev

5mo ago

Cavity Protection Tooth Armor Liquid: Science-Backed Formula Strengthens Enamel with Remineralization Drops at-Home Tooth Enamel Support Stronger Teeth Hydroxyapatite 60 ml

VENUECO$19.43343 rev

9mo ago

CAREDO Triple Whitening Toothpaste for Sensitive Teeth Gentle Fluoride-Free Nano-Hydroxyapatite & Advanced Enzyme Deep Clean Stain Removal Lasting Brightness Remineralizing Toothpaste Minty 3.52OZ

CAREDO$25.5320 rev

9mo ago

Dentagum Remineralizing Gum with Nano-Hydroxyapatite & Xylitol SugarFree Chewing Gum for Enamel Repair Cavity Protection & Receding Gums 60 Pieces

Dentagum$31.46649 rev

11mo ago

CAREDO New Taste Gum Repair Toothpaste for Adults Fluoride Free Periodontal Treatment for Receding Gums Recession Bleeding Periodontitis Reverse Gingivitis Plaque Control & Bad Breath 3.52 OZ

CAREDO$25.4115 rev

1y ago

What buyers say about reverse cavities naturally

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

What buyers love

Oral Hygiene22%

“Great for your teeth”

Taste-Overall12%

“Fresh taste”

Tooth Brightening11%

“Whitening toothpaste”

Quality-Overall8%

“I like that the tub is better quality”

Flavor6%

“Mild flavor”

Tooth Sensitivity6%

“Excellent for sensitive teeth”

Cleansing4%

“Clean teeth”

Value For Money3%

“Great Value”

Advertised Vs Actual Product2%

“As advertised”

Efficiency2%

“Works well”

What buyers complain about

Oral Hygiene11%

“This product is NOT intended for oral use”

Value For Money8%

“Too expensive”

Taste-Overall8%

“Weird taste”

Functionality-Overall5%

“Didn't work”

Tooth Sensitivity5%

“Does absolutely nothing for tooth sensitivity”

Tooth Brightening3%

“My teeth didn't get any whiter either”

Flavor3%

“the flavor is kind of strange”

Advertised Vs Actual Product3%

“Not as advertised”

Ingredients-Overall3%

“Terrible terrible ingredients”

Sensitivity-Overall2%

“ABSOLUTELY NOT for severe sensitivity”

Top return reasons

Advertised Vs Actual Product13%

Taste-Overall11%

Functionality-Overall8%

Tooth Sensitivity7%

Tooth Brightening7%

Ingredients-Overall7%

Flavor7%

Leak-Proof5%

Oral Hygiene5%

Value For Money4%

Common questions

Is reverse cavities naturally profitable to sell on Amazon United States?: The niche generates $227K/yr across 23 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -36.5%. Flapen's verdict: Worth a look (52/100).
How competitive is the reverse cavities naturally niche?: 11 brands and 31 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 84% of demand.
What do buyers complain about in reverse cavities naturally?: Top complaints mined from reviews: Oral Hygiene, Value For Money, Taste-Overall. The return rate is 0.3%.
When does demand for reverse cavities naturally peak?: Demand peaks in Jan–Feb–Oct–Nov; the busiest month runs 2.6× the quietest.
What does it cost to enter the reverse cavities naturally niche?: Listings span $9.49–$68.04; the average listing price is $24.57 (sweet spot $15–$100). The average incumbent carries 7,060 reviews — the moat a new listing must climb.