---
title: "Probiospore — $12K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/probiospore"
last_updated: "2026-08-10T18:59:38.629Z"
locale: en
meta:
description: "Niche score 36/100 · $12K/yr market · 6K searches/yr · $48.40 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 36/100 · $12K/yr market · 6K searches/yr · $48.40 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Probiospore — $12K/yr Amazon US Niche (2026) - Flapen"
---
# **probiospore**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 3Growth 20Conversion 52Competition 0Returns 100Price range 95Avg price 94Brand share 0Review moat 50Quality gap 53
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Price range**
**Incredible****$21.36–$69.10**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$48.40**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****4.2%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****1,507.5**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-9.2%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$12K**
$12K/yr · 6K searches
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, probiospore is a $12K/yr Amazon United States market (6K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 36/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **probiospore market data**
- **Units sold / yr**
- **500–750**
- avg 100–250/product
- **Revenue / yr**
- **$24K–$36K**
- units × avg price
- **Conversion rate**
- **4.2%**
- **Avg BSR**
- **#357**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **73 months**
- **Avg seller age**
- **160 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **—flat
**Sellers**
**15**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Designs for Health71% - Microbiome Labs13% - 3Biome9% - Youtheory8% - Open — no brand owns it (0%)
## **Demand**
Weekly Amazon search volume, last 15 weeks — -9.2% search growth over the last 90 days.
12575Spike '26Apr '26Apr '26May '26May '26Jun '26Jun '26Jul '26Jul '26
[**Open Trend **](https://flapen.com/research/us/health-household/probiospore/trend)
## **Top probiospore 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%20%$2K40%$5K60%$7K80%$10K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 4 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Designs for Health ProbioSpore - Powerful Spore Based Probiotic Soil-Based Probiotics Supplement - Shelf Stable Gut + Immune Support Non-GMO + Dairy Free (60 Capsules)**Designs for Health**$69.10**4.4★169 rev](https://www.amazon.com/dp/B085ZKPKMS) [2**Microbiome Labs MegaSporeBiotic Probiotics for Women & Men - Spore-Based Probiotic for Gut Health & Digestive Support - Shelf-Stable Travel-Friendly Mens & Womens Probiotics (60 Capsules)**Microbiome Labs**$63.55**4.6★3,643 rev](https://www.amazon.com/dp/B07TJ4TH8Q) [3**3Biome Natural Probiotic Supplement for Gut Health Vegan Gluten-Free**3Biome**$39.60**4.2★1,146 rev](https://www.amazon.com/dp/B0B8QHLKYL) [4**Youtheory Spore Probiotic - Helps Gut Health* - 6 Billion CFU with Prebiotics - Supports Regular Bowel Movement & Diarrhea Relief* - Shelf Stable - 60 Vegetarian Capsules (30-Day Supply)**Youtheory**$21.36**4.5★1,072 rev](https://www.amazon.com/dp/B07BLSQMTY)
### **Newest**
by launch date
[**3Biome Natural Probiotic Supplement for Gut Health Vegan Gluten-Free**3Biome**$39.60**1,146 rev3y ago](https://www.amazon.com/dp/B0B8QHLKYL) [**Designs for Health ProbioSpore - Powerful Spore Based Probiotic Soil-Based Probiotics Supplement - Shelf Stable Gut + Immune Support Non-GMO + Dairy Free (60 Capsules)**Designs for Health**$69.10**169 rev6y ago](https://www.amazon.com/dp/B085ZKPKMS) [**Microbiome Labs MegaSporeBiotic Probiotics for Women & Men - Spore-Based Probiotic for Gut Health & Digestive Support - Shelf-Stable Travel-Friendly Mens & Womens Probiotics (60 Capsules)**Microbiome Labs**$63.55**3,643 rev7y ago](https://www.amazon.com/dp/B07TJ4TH8Q) [**Youtheory Spore Probiotic - Helps Gut Health* - 6 Billion CFU with Prebiotics - Supports Regular Bowel Movement & Diarrhea Relief* - Shelf Stable - 60 Vegetarian Capsules (30-Day Supply)**Youtheory**$21.36**1,072 rev8y ago](https://www.amazon.com/dp/B07BLSQMTY)
### **Trending**
90-day click momentum
[**Youtheory Spore Probiotic - Helps Gut Health* - 6 Billion CFU with Prebiotics - Supports Regular Bowel Movement & Diarrhea Relief* - Shelf Stable - 60 Vegetarian Capsules (30-Day Supply)**Youtheory**$21.36**4.5★**▲ 69%**](https://www.amazon.com/dp/B07BLSQMTY) [**Microbiome Labs MegaSporeBiotic Probiotics for Women & Men - Spore-Based Probiotic for Gut Health & Digestive Support - Shelf-Stable Travel-Friendly Mens & Womens Probiotics (60 Capsules)**Microbiome Labs**$63.55**4.6★**▲ 27%**](https://www.amazon.com/dp/B07TJ4TH8Q) [**3Biome Natural Probiotic Supplement for Gut Health Vegan Gluten-Free**3Biome**$39.60**4.2★**▲ 23%**](https://www.amazon.com/dp/B0B8QHLKYL) [**Designs for Health ProbioSpore - Powerful Spore Based Probiotic Soil-Based Probiotics Supplement - Shelf Stable Gut + Immune Support Non-GMO + Dairy Free (60 Capsules)**Designs for Health**$69.10**4.4★**— 10%**](https://www.amazon.com/dp/B085ZKPKMS)
## **What buyers say about probiospore**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Nutritional Content**26%
*“Best Probiotic”*
**Quality-Overall**14%
*“Great Product, Great Company”*
**Regulates Digestion**13%
*“there is less bloating”*
**Efficiency**8%
*“It does a good job”*
**Acid Regulator/Stomach Ache Relief**6%
*“No stomach issues at all”*
**Value For Money**5%
*“For me, it is worth every penny”*
**Side Effects**4%
*“The burning discomfort after eating dissipated and I can enjoy food again without fear of heartburn and bloating”*
**Vitamin**3%
*“This supplement seems to help firm things up”*
**Ease Of Use**3%
*“Very simple and effective”*
**Heart Health**2%
*“It really helped my ISB symptoms”*
### **What buyers complain about **
**Value For Money**32%
*“Overpriced”*
**Functionality-Overall**18%
*“Didn't Work”*
**Regulates Digestion**13%
*“This product causes bloating”*
**Nutritional Content**3%
*“Skip the probiotic supplements”*
**Smell**3%
*“The worst smelling gas I ever had”*
**Quality-Overall**3%
*“Good quality a little expensive”*
**Stress/Anxiety**3%
*“Increases anxiety”*
**Fever Relief**3%
*“This product made me feel sick”*
**Contamination**3%
*“Product is contaminated”*
**Acid Regulator/Stomach Ache Relief**3%
*“I Was having a lot of bloating and stomach discomfort,. I have moderate diverticulitis”*
### **Top return reasons **
**Functionality-Overall**40%
**Magnesium**20%
**Ingredients-Overall**20%
**Taste-Overall**10%
**Hard Feel**10%
## **Common questions**
- **Is probiospore profitable to sell on Amazon United States?**
- The niche generates $12K/yr across 4 tracked products. 90-day search growth is -9.2%. Flapen's verdict: Skip it (36/100).
- **How competitive is the probiospore niche?**
- 4 brands and 15 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in probiospore?**
- Top complaints mined from reviews: Value For Money, Functionality-Overall, Regulates Digestion. The return rate is 0.0%.
- **What does it cost to enter the probiospore niche?**
- Listings span $21.36–$69.10; the average listing price is $48.40 (sweet spot $15–$100). The average incumbent carries 1,508 reviews — the moat a new listing must climb.
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