---
title: "Sp6 Probiotic Toothpaste — $2K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/sp6-probiotic-toothpaste"
last_updated: "2026-08-11T02:35:47.458Z"
locale: en
meta:
description: "Niche score 35/100 · $2K/yr market · 9K searches/yr · $16.62 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $2K/yr market · 9K searches/yr · $16.62 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Sp6 Probiotic Toothpaste — $2K/yr Amazon US Niche (2026) - Flapen"
---
# **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**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$16.62**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****451.63**
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**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Bad****1.5%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Bad****79%**
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**
**Bad****100%**
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 ~~](https://flapen.com/research/methodology)
## **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 '26 seasonFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Feb, Mar, Apr · busiest ÷ quietest = 5.7×
[**Open Trend **](https://flapen.com/research/us/health-household/sp6-probiotic-toothpaste/trend)
## **Top sp6 probiotic toothpaste search terms**
- **ms dr wikey sp6 probiotic toothpaste whitening**2K/yr-11.7%6.9% conv. - **sp-6 probiotic toothpaste**3K/yr-23.6%4.0% conv. - **sp6 probiotic toothpaste**4K/yr-32.8%1.4% conv. - **so-6 toothpaste probiotics**1K/yr+6.2%3.4% conv. [**All search terms **](https://flapen.com/research/us/health-household/sp6-probiotic-toothpaste/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 moatMarket 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.
### **Top sellers**
by 90-day click share
[1**MSDRWIKEY SP-6 Probiotic Whitening Toothpaste - Enhanced Formula with 6 Probiotics for Teeth Whitening and Gum Health - Enamel-Safe Fluoride-Free Fresh Mint Flavor 4.6oz (2)**MSDRWIKEY**$16.31**4.5★1,249 rev](https://www.amazon.com/dp/B0F6CZSND6) [2**MSDRWIKEY 2-Pack Popping 7-Pro Whitening Toothpaste | Deep Whitening & 7 Probiotics for Oral Health | Purple Beads for Extra Freshness | Fluoride-Free**MSDRWIKEY**$16.64**4.2★697 rev](https://www.amazon.com/dp/B0F6N37XFK) [3**MSDRWIKEY SP-6 Whitening Toothpaste 2-Pack & Popping 7-Pro Whitening Toothpaste 6 Probiotics Enamel Safe Fluoride-Free and Gum Health**MSDRWIKEY**$22.59**4.4★92 rev](https://www.amazon.com/dp/B0F8J8LJYD) [4**Sp-6 Probiotic Whitening Toothpaste Sp-6 Ultra Whitening Toothpaste with a Fluoride Free Fresh Breath and Mint Flavored Enhancement Formula Beneficial for Oral Health! 2pc (2)**Hymhzy**$12.39**4.3★145 rev](https://www.amazon.com/dp/B0F8PCQ8CP) [5**MSDRWIKEY Popping 7-Pro Whitening Toothpaste | Deep Whitening & 7 Probiotics for Oral Health | Purple Beads for Extra Freshness | Fluoride-Free**MSDRWIKEY**$12.63**4.2★697 rev](https://www.amazon.com/dp/B0F6N2XWK9)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**SP-6 Probiotic Whitening Toothpaste SP-6 Probiotic Toothpaste Enhanced Formula with 6 Probiotics for Teeth Whitening/Brightening Enamel-Safe Fluoride-Free Fresh Mint Flavor 4.9oz 2Pack**JYEOUX**$13.11**207 rev1y ago](https://www.amazon.com/dp/B0FD9W16VT) [**MSDRWIKEY SP-6 Whitening Toothpaste 2-Pack & Popping 7-Pro Whitening Toothpaste 6 Probiotics Enamel Safe Fluoride-Free and Gum Health**MSDRWIKEY**$22.59**92 rev1y ago](https://www.amazon.com/dp/B0F8J8LJYD) [**MSDRWIKEY 2-Pack Popping 7-Pro Whitening Toothpaste | Deep Whitening & 7 Probiotics for Oral Health | Purple Beads for Extra Freshness | Fluoride-Free**MSDRWIKEY**$16.64**697 rev1y ago](https://www.amazon.com/dp/B0F6N37XFK) [**MSDRWIKEY Popping 7-Pro Whitening Toothpaste | Deep Whitening & 7 Probiotics for Oral Health | Purple Beads for Extra Freshness | Fluoride-Free**MSDRWIKEY**$12.63**697 rev1y ago](https://www.amazon.com/dp/B0F6N2XWK9) [**MSDRWIKEY SP-6 Toothpaste Cooling Fresh Breath and Popping 7-Pro Whitening Toothpaste Bundle | 6 Probiotics for Oral Health Fluoride-Free Safe for Enamel Deep Whitening & Freshness**MSDRWIKEY**$23.72**405 rev1y ago](https://www.amazon.com/dp/B0F6JS839C)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**MSDRWIKEY Popping 7-Pro Whitening Toothpaste | Deep Whitening & 7 Probiotics for Oral Health | Purple Beads for Extra Freshness | Fluoride-Free**MSDRWIKEY**$12.63**4.2★**▲ 137%**](https://www.amazon.com/dp/B0F6N2XWK9) [**MSDRWIKEY SP-6 Toothpaste Cooling Fresh Breath and Popping 7-Pro Whitening Toothpaste Bundle | 6 Probiotics for Oral Health Fluoride-Free Safe for Enamel Deep Whitening & Freshness**MSDRWIKEY**$23.72**4.5★**▲ 15%**](https://www.amazon.com/dp/B0F6JS839C) [**Sp-6 Probiotics Whitening Toothpaste Sp-6 Ultra Whitening Toothpaste Enhanced Formula with Enamel-Safe Fluoride-Free Fresh Breath Mint Flavor for Oral Health (2)**Newfs**$15.57**4.3★**▲ 14%**](https://www.amazon.com/dp/B0F2FZB5GY) [**Sp-6 Probiotic Whitening Toothpaste Sp-6 Ultra Whitening Toothpaste with a Fluoride Free Fresh Breath and Mint Flavored Enhancement Formula Beneficial for Oral Health! 2pc (2)**Hymhzy**$12.39**4.3★**▲ 12%**](https://www.amazon.com/dp/B0F8PCQ8CP) [**MSDRWIKEY SP-6 Whitening Toothpaste 2-Pack & Popping 7-Pro Whitening Toothpaste 6 Probiotics Enamel Safe Fluoride-Free and Gum Health**MSDRWIKEY**$22.59**4.4★**— 10%**](https://www.amazon.com/dp/B0F8J8LJYD)
**~~View all trending →~~**
## **What buyers say about sp6 probiotic toothpaste**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Tooth Brightening**24%
*“Whitening the teeths”*
**Quality-Overall**19%
*“Quality product”*
**Value For Money**13%
*“Excellent product at a fair price”*
**Brightness/Shine/Glow**7%
*“With consistent use it Brightens”*
**Cleansing**7%
*“Mouth feels clean”*
**Breathability**5%
*“it worked well for fresh breath”*
**Tooth Sensitivity**5%
*“Good variety of toothpaste”*
**Ease Of Cleaning**4%
*“Clean”*
**Efficiency**4%
*“Works great”*
**Advertised Vs Actual Product**4%
*“have to say that it comes up to its expectations”*
### **What buyers complain about **
**Functionality-Overall**45%
*“Doesnt work”*
**Advertised Vs Actual Product**20%
*“Is that the beginning or the end of the false advertising”*
**Value For Money**13%
*“Too much money”*
**Quality-Overall**8%
*“Garbage”*
**Brightness/Shine/Glow**8%
*“I did not see any visible improvement in brightness compared to my regular toothpaste”*
**Color**5%
*“my teeth were pretty yellow not gonna lie”*
**Durability**3%
*“After 30 days - DOESNT WORK”*
### **Top return reasons **
**Advertised Vs Actual Product**33%
**Functionality-Overall**20%
**Ingredients-Overall**8%
**Defective Material/Parts**6%
**Brightness/Shine/Glow**4%
**Value For Money**4%
**Smell**4%
**Leak-Proof**3%
**Certifications**3%
**Ethical Trade/Fair Trade**3%
## **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.
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