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sp6 probiotic toothpaste

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 1Growth 17Conversion 18Competition 18Returns 99Price range 77Avg price 79Brand share 0Review moat 77Quality gap 67

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Avg price

Great$16.62

avg listing price — sweet spot $15–$100

Review moat

Great451.63

avg incumbent reviews — the moat a new listing must climb

Price range

Great$12.39–$23.72

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.5%

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

Competition

Bad79%

top-5 click share — a locked-up shelf

Growth

Bad-16.8%

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

Market size

Bad$2K

$2K/yr · 9K searches

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, sp6 probiotic toothpaste is a $2K/yr Amazon United States market (9K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Feb–Mar–Apr. Verdict: Skip it — 35/100.

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

sp6 probiotic toothpaste market data

Units sold / yr
500–750
avg 0–100/product
Revenue / yr
$8K–$12K
units × avg price
Conversion rate
1.5%
Avg BSR
#500
Page quality
0%
Prime
100%
Sponsored
63%
Out of stock
15.1%
Avg brand age
21 months
Avg seller age
222 days

Competition & brand share

The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.

Brands

4 falling

Sellers

6

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

79%

Top 20: 100%

Open market

0%

  • MSDRWIKEY75%
  • Hymhzy10%
  • Newfs9%
  • JYEOUX6%

Demand & seasonality

Weekly Amazon search volume, last 76 weeks — -16.8% search growth over the last 90 days.
2K1KSpike '25Prime Day '25Spike '26FebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun

Peak months: Feb, Mar, Apr · busiest ÷ quietest = 5.7×

Top sp6 probiotic toothpaste search terms

  • ms dr wikey sp6 probiotic toothpaste whitening2K/yr
  • sp-6 probiotic toothpaste3K/yr
  • sp6 probiotic toothpaste4K/yr
  • so-6 toothpaste probiotics1K/yr
All search terms

Top sp6 probiotic toothpaste 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%10%$22820%$45730%$68540%$914101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 8 tracked products in this niche — three views at once, no toggling.

What buyers say about sp6 probiotic toothpaste

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

What buyers love

Tooth Brightening24%

“Whitening the teeths”

Quality-Overall19%

“Quality product”

Value For Money13%

“Excellent product at a fair price”

Brightness/Shine/Glow7%

“With consistent use it Brightens”

Cleansing7%

“Mouth feels clean”

Breathability5%

“it worked well for fresh breath”

Tooth Sensitivity5%

“Good variety of toothpaste”

Ease Of Cleaning4%

“Clean”

Efficiency4%

“Works great”

Advertised Vs Actual Product4%

“have to say that it comes up to its expectations”

What buyers complain about

Functionality-Overall45%

“Doesnt work”

Advertised Vs Actual Product20%

“Is that the beginning or the end of the false advertising”

Value For Money13%

“Too much money”

Quality-Overall8%

“Garbage”

Brightness/Shine/Glow8%

“I did not see any visible improvement in brightness compared to my regular toothpaste”

Color5%

“my teeth were pretty yellow not gonna lie”

Durability3%

“After 30 days - DOESNT WORK”

Top return reasons

Advertised Vs Actual Product33%
Functionality-Overall20%
Ingredients-Overall8%
Defective Material/Parts6%
Brightness/Shine/Glow4%
Value For Money4%
Smell4%
Leak-Proof3%
Certifications3%
Ethical Trade/Fair Trade3%

Common questions

Is sp6 probiotic toothpaste profitable to sell on Amazon United States?
The niche generates $2K/yr across 8 tracked products. 90-day search growth is -16.8%. Flapen's verdict: Skip it (35/100).
How competitive is the sp6 probiotic toothpaste niche?
4 brands and 6 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in sp6 probiotic toothpaste?
Top complaints mined from reviews: Functionality-Overall, Advertised Vs Actual Product, Value For Money. The return rate is 0.3%.
When does demand for sp6 probiotic toothpaste peak?
Demand peaks in Feb–Mar–Apr; the busiest month runs 5.7× the quietest.
What does it cost to enter the sp6 probiotic toothpaste niche?
Listings span $12.39–$23.72; the average listing price is $16.62 (sweet spot $15–$100). The average incumbent carries 452 reviews — the moat a new listing must climb.