---
title: "Spore Probiotic — $960K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/spore-probiotic"
last_updated: "2026-08-06T16:48:45.748Z"
locale: en
meta:
  description: "Niche score 47/100 · $960K/yr market · 211K searches/yr · $49.79 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 47/100 · $960K/yr market · 211K searches/yr · $49.79 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Spore Probiotic — $960K/yr Amazon US Niche (2026) - Flapen"
---

# **spore probiotic**

**Skip it**

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

Market size 77Growth 17Conversion 84Competition 7Returns 100Price range 73Avg price 93Brand share 0Review moat 49Quality gap 30

**Returns**

**Incredible****0.0%**

return rate — above 5% kills the launch gate

**Avg price**

**Great****$49.79**

avg listing price — sweet spot $15–$100

**Conversion**

**Great****9.1%**

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

**Market size**

**Great****$960K**

$960K/yr · 211K searches

**Price range**

**Good****$17.47–$130.18**

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

**Review moat**

**Okay****1,634.86**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-15.8%**

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

**Competition**

**Bad****92%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, spore probiotic is a $960K/yr Amazon United States market (211K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug–Sep–Oct–Nov. Verdict: Skip it — 47/100.

Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **spore probiotic market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**15K–20K**</dd><dd>avg 2,000–2,500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$747K–$996K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**9.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#477**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**100%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**78 months**</dd>

<dt>**Avg seller age**</dt><dd>**157 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 92% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**5 **—flat

**Sellers**

**17**

**Top-5 brand share**

**100%**

Top 20: 100%

**Top-5 click share**

**92%**

Top 20: 100%

**Open market**

**0%**

- Just Thrive65% - Microbiome Labs13% - Youtheory11% - Haliwooya6% - Natures Instincts5%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -15.8% search growth over the last 90 days.

9K7KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Aug, Sep, Oct, Nov · busiest ÷ quietest = 2.5×

[**Open Trend **](https://flapen.com/research/us/health-household/spore-probiotic/trend)

## **Top spore probiotic search terms**

- **just thrive probiotics**71K/yr-18.0%10.3% conv. - **spore probiotic**42K/yr-11.8%7.0% conv. - **spore based probiotic**26K/yr-10.2%4.3% conv. - **just thrive**14K/yr-6.3%7.1% conv. - **just thrive probiotic**20K/yr-42.5%8.4% conv. - **just thrive probiotics for women**7K/yr+13.2%2.9% conv. - **thrive probiotic**10K/yr-19.6%8.3% conv. - **spore probiotics**5K/yr-18.8%5.4% conv. - **sporebiotic**4K/yr-9.1%7.2% conv. - **justthrive probiotic**5K/yr-23.5%11.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/spore-probiotic/search-terms)

## **Top spore probiotic 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%15%$144K30%$288K45%$432K60%$576K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 7 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Just Thrive Probiotic & Antioxidant Supplement - 100% Spore-Based Digestive and Immune Support - Gluten Free 30 Caps](https://m.media-amazon.com/images/I/41wfzIrwA2L.jpg)**Just Thrive Probiotic & Antioxidant Supplement - 100% Spore-Based Digestive and Immune Support - Gluten Free 30 Caps**Just Thrive**$49.74**4.6★2,995 rev](https://www.amazon.com/dp/B00IO9PMDO) [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)](https://m.media-amazon.com/images/I/31VJJO+oj7L.jpg)**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![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)](https://m.media-amazon.com/images/I/41MPLeJ-5lL.jpg)**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) [4![Haliwooya 100% Spore Probiotic 20 Billion CFU Spore Based Probiotics for Women & Men No Refrigeration & Vegan 90 Capsules](https://m.media-amazon.com/images/I/41dCYBPmqGL.jpg)**Haliwooya 100% Spore Probiotic 20 Billion CFU Spore Based Probiotics for Women & Men No Refrigeration & Vegan 90 Capsules**Haliwooya**$19.52**4.8★48 rev](https://www.amazon.com/dp/B0DK976MZJ) [5![Natures Instincts Ultra Spore Probiotic with Live Strains | Daily Soil Based Probiotic for Digestive Support & Gut Health | Soy-Free Dairy-Free Gluten-Free Non-Refrigerated Probiotics 30 Capsules](https://m.media-amazon.com/images/I/41xNwPSju8L.jpg)**Natures Instincts Ultra Spore Probiotic with Live Strains | Daily Soil Based Probiotic for Digestive Support & Gut Health | Soy-Free Dairy-Free Gluten-Free Non-Refrigerated Probiotics 30 Capsules**Natures Instincts**$17.47**4.5★606 rev](https://www.amazon.com/dp/B07G7KP464)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Haliwooya 100% Spore Probiotic 20 Billion CFU Spore Based Probiotics for Women & Men No Refrigeration & Vegan 90 Capsules](https://m.media-amazon.com/images/I/41dCYBPmqGL.jpg)**Haliwooya 100% Spore Probiotic 20 Billion CFU Spore Based Probiotics for Women & Men No Refrigeration & Vegan 90 Capsules**Haliwooya**$19.52**48 rev1y ago](https://www.amazon.com/dp/B0DK976MZJ) [![Just Thrive Probiotic Gummies - Kids Men and Womens Probiotic - for Digestive and Overall Health 30 Count](https://m.media-amazon.com/images/I/31m1RUnYfXL.jpg)**Just Thrive Probiotic Gummies - Kids Men and Womens Probiotic - for Digestive and Overall Health 30 Count**Just Thrive**$46.72**85 rev2y ago](https://www.amazon.com/dp/B0CFBG7821) [![Just Thrive Probiotic & Antioxidant Supplement - 100% Spore-Based Digestive and Immune Support - Gluten Free 90 Caps](https://m.media-amazon.com/images/I/41zJbhnUbRL.jpg)**Just Thrive Probiotic & Antioxidant Supplement - 100% Spore-Based Digestive and Immune Support - Gluten Free 90 Caps**Just Thrive**$130.18**2,995 rev6y ago](https://www.amazon.com/dp/B07VRNLKT3) [![Microbiome Labs MegaSporeBiotic Probiotics for Women & Men - Spore-Based Probiotic for Gut Health & Digestive Support - Shelf-Stable Travel-Friendly Mens & Womens Probiotics (60 Capsules)](https://m.media-amazon.com/images/I/31VJJO+oj7L.jpg)**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) [![Natures Instincts Ultra Spore Probiotic with Live Strains | Daily Soil Based Probiotic for Digestive Support & Gut Health | Soy-Free Dairy-Free Gluten-Free Non-Refrigerated Probiotics 30 Capsules](https://m.media-amazon.com/images/I/41xNwPSju8L.jpg)**Natures Instincts Ultra Spore Probiotic with Live Strains | Daily Soil Based Probiotic for Digestive Support & Gut Health | Soy-Free Dairy-Free Gluten-Free Non-Refrigerated Probiotics 30 Capsules**Natures Instincts**$17.47**606 rev7y ago](https://www.amazon.com/dp/B07G7KP464)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Haliwooya 100% Spore Probiotic 20 Billion CFU Spore Based Probiotics for Women & Men No Refrigeration & Vegan 90 Capsules](https://m.media-amazon.com/images/I/41dCYBPmqGL.jpg)**Haliwooya 100% Spore Probiotic 20 Billion CFU Spore Based Probiotics for Women & Men No Refrigeration & Vegan 90 Capsules**Haliwooya**$19.52**4.8★**▲ 418%**](https://www.amazon.com/dp/B0DK976MZJ) [![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)](https://m.media-amazon.com/images/I/41MPLeJ-5lL.jpg)**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★**▲ 32%**](https://www.amazon.com/dp/B07BLSQMTY) [![Just Thrive Probiotic & Antioxidant Supplement - 100% Spore-Based Digestive and Immune Support - Gluten Free 30 Caps](https://m.media-amazon.com/images/I/41wfzIrwA2L.jpg)**Just Thrive Probiotic & Antioxidant Supplement - 100% Spore-Based Digestive and Immune Support - Gluten Free 30 Caps**Just Thrive**$49.74**4.6★**▲ 14%**](https://www.amazon.com/dp/B00IO9PMDO) [![Microbiome Labs MegaSporeBiotic Probiotics for Women & Men - Spore-Based Probiotic for Gut Health & Digestive Support - Shelf-Stable Travel-Friendly Mens & Womens Probiotics (60 Capsules)](https://m.media-amazon.com/images/I/31VJJO+oj7L.jpg)**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★**— 4%**](https://www.amazon.com/dp/B07TJ4TH8Q) [![Natures Instincts Ultra Spore Probiotic with Live Strains | Daily Soil Based Probiotic for Digestive Support & Gut Health | Soy-Free Dairy-Free Gluten-Free Non-Refrigerated Probiotics 30 Capsules](https://m.media-amazon.com/images/I/41xNwPSju8L.jpg)**Natures Instincts Ultra Spore Probiotic with Live Strains | Daily Soil Based Probiotic for Digestive Support & Gut Health | Soy-Free Dairy-Free Gluten-Free Non-Refrigerated Probiotics 30 Capsules**Natures Instincts**$17.47**4.5★**▼ 23%**](https://www.amazon.com/dp/B07G7KP464)

**~~View all trending →~~**

## **What buyers say about spore probiotic**

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

### **What buyers love **

**Nutritional Content**25%

*“One of the best probiotics you can find”*

**Quality-Overall**18%

*“Excellent product”*

**Regulates Digestion**11%

*“Excellent product that aids in digestion”*

**Acid Regulator/Stomach Ache Relief**7%

*“No stomach issues”*

**Efficiency**5%

*“It does a good job”*

**Value For Money**4%

*“its worth it”*

**Side Effects**3%

*“No side effects”*

**Vitamin**3%

*“Just Thrive Probiotic & Antioxidant”*

**Ease Of Use**3%

*“Easy to take and very effective”*

**Dosage**2%

*“Half a capsule a day works for me”*

### **What buyers complain about **

**Value For Money**41%

*“Waste of money”*

**Functionality-Overall**13%

*“Did not work for me”*

**Acid Regulator/Stomach Ache Relief**7%

*“I have terrible gut dybiosis Im wrkn on”*

**Regulates Digestion**7%

*“Causes bowel issues”*

**Fever Relief**5%

*“This product made me feel sick”*

**Dosage**3%

*“Did not receive 30 pills”*

**Nutritional Content**3%

*“Skip the probiotic supplements”*

**Quality-Overall**3%

*“This is not a cheap product”*

**Side Effects**2%

*“nor did it helped me feel better overall”*

**Taste-Overall**2%

*“Easy to swallow, no taste”*

### **Top return reasons **

**Ingredients-Overall**33%

**Functionality-Overall**33%

**Taste-Overall**17%

**Hard Feel**17%

## **Common questions**

<dl>

<dt>**Is spore probiotic profitable to sell on Amazon United States?**</dt><dd>The niche generates $960K/yr across 7 tracked products. 90-day search growth is -15.8%. Flapen's verdict: Skip it (47/100).</dd>

<dt>**How competitive is the spore probiotic niche?**</dt><dd>5 brands and 17 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 100% of demand.</dd>

<dt>**What do buyers complain about in spore probiotic?**</dt><dd>Top complaints mined from reviews: Value For Money, Functionality-Overall, Acid Regulator/Stomach Ache Relief. The return rate is 0.0%.</dd>

<dt>**When does demand for spore probiotic peak?**</dt><dd>Demand peaks in Aug–Sep–Oct–Nov; the busiest month runs 2.5× the quietest.</dd>

<dt>**What does it cost to enter the spore probiotic niche?**</dt><dd>Listings span $17.47–$130.18; the average listing price is $49.79 (sweet spot $15–$100). The average incumbent carries 1,635 reviews — the moat a new listing must climb.</dd>

</dl>

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