---
title: "Probios — $401K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/probios"
last_updated: "2026-07-21T15:51:41.383Z"
locale: en
meta:
description: "Niche score 49/100 · $401K/yr market · 81K searches/yr · $30.24 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $401K/yr market · 81K searches/yr · $30.24 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Probios — $401K/yr Amazon US Niche (2026) - Flapen"
---
# **probios**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 55Growth 20Conversion 98Competition 26Returns 100Price range 94Avg price 95Brand share 0Review moat 61Quality gap 18
**Returns**
**Incredible****0.1%**
return rate — above 6% kills the launch gate
**Conversion**
**Incredible****16.5%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$30.24**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$14.38–$67.84**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****1,050.65**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Good****$401K**
$401K/yr · 81K searches
**Competition**
**Okay****69%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-9.8%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, probios is a $401K/yr Amazon United States market (81K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 49/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **probios market data**
- **Units sold / yr**
- **13K–15K**
- avg 500–750/product
- **Revenue / yr**
- **$378K–$454K**
- units × avg price
- **Launch success**
- **—**
- 0 of 0 new (360d)
- **Conversion rate**
- **16.5%**
- **Avg BSR**
- **#88**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **94%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **81 months**
- **Avg seller age**
- **161 days**
## **Competition & brand share**
The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**3 **▼falling
**Sellers**
**57**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**69%**
Top 20: 100%
**Open market**
**0%**
- Probios96% - Formula 7072% - Equa Holistics2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -9.8% search growth over the last 90 days.
2K2KPrime Day '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/pet-supplies/probios/trend)
## **Top probios search terms**
- **probios**26K/yr-2.8%13.2% conv. - **probios for horses**19K/yr-12.9%16.8% conv. - **probios for dogs**19K/yr-12.3%13.2% conv. - **horse probiotics**9K/yr-18.3%9.2% conv. - **probiotics for horses**5K/yr-7.8%8.2% conv. - **horse probiotic**2K/yr-17.2%5.5% conv. [**All search terms **](https://flapen.com/research/us/pet-supplies/probios/search-terms)
## **Top probios 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%$40K20%$80K30%$120K40%$160K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 17 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Probios Digestive Support Probiotic for Dogs Horses Cats Gut Health Powder for All Species Daily Supplement for Digestion Immune Support 240 Grams**Probios**$17.20**4.7★3,941 rev](https://www.amazon.com/dp/B001BM1QRC) [2**Probios Digestive Support Probiotic for Dogs Horses Cats Gut Health Powder for All Species Daily Supplement for Digestion Immune Support 5 lbs**Probios**$67.84**4.7★3,941 rev](https://www.amazon.com/dp/B00061MRXG) [3**Probios Digestive Support Probiotic for Dogs Horses Cats Gut Health Powder for All Species Daily Supplement for Digestion Immune Support 240 Grams (Pack of 2)**Probios**$35.30**4.7★3,941 rev](https://www.amazon.com/dp/B0FCQVQR93) [4**Probios for Horses Soft Chews Daily Probiotic Supplement for Gut Health Equine Digestion and Immune Support Apple Flavor 1.32 lbs (600 Grams)**Probios**$17.50**4.7★837 rev](https://www.amazon.com/dp/B008RQ4NA2) [5**VETS PLUS Probios Feed Granule for Horses 5-Pound**Probios**$54.65**4.8★547 rev](https://www.amazon.com/dp/B0088OKQIQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Probios Digestive Support Chewables for Dogs Daily Probiotic Supplement with Digestive Enzymes and Prebiotics for Gut Health and Immune Support 1 lb (Pack of 2)**Probios**$26.51**265 rev1y ago](https://www.amazon.com/dp/B0FCSF5MY3) [**Probios Digestive Support Probiotic for Dogs Horses Cats Gut Health Powder for All Species Daily Supplement for Digestion Immune Support 240 Grams (Pack of 2)**Probios**$35.30**3,941 rev1y ago](https://www.amazon.com/dp/B0FCQVQR93) [**Probios for Horses Soft Chews Daily Probiotic Supplement for Gut Health Equine Digestion and Immune Support Apple Flavor 1.32 lbs (600 Grams) (Pack of 2)**Probios**$32.04**837 rev1y ago](https://www.amazon.com/dp/B0FCPTZ736) [**Probios for Dogs Soft Chews Daily Probiotic Supplement for Gut Health Digestion and Immune Support Medium and Large Breeds Chicken Liver Flavor 8.46oz 60 Chews (Pack of 2)**Probios**$39.63**212 rev1y ago](https://www.amazon.com/dp/B0FCQN4K55) [**Probios Digestive Support Probiotic for Dogs Horses Cats Gut Health Powder for All Species Daily Supplement for Digestion Immune Support 240 Grams**Probios**$28.81**13 rev7y ago](https://www.amazon.com/dp/B07FNJFZ8D)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**BIOMAC Probios Microbiotic Gel for Horses 30gm**Probios**$15.50**4.8★**▲ 97%**](https://www.amazon.com/dp/B001J1HDSQ) [**Probios Digestive Support Chewables for Dogs Daily Probiotic Supplement with Digestive Enzymes and Prebiotics for Gut Health and Immune Support 1 lb (Pack of 2)**Probios**$26.51**4.7★**▲ 69%**](https://www.amazon.com/dp/B0FCSF5MY3) [**Probios for Dogs Soft Chews Daily Probiotic Supplement for Gut Health Digestion and Immune Support Medium and Large Breeds Chicken Liver Flavor 8.46oz 60 Chews (Pack of 2)**Probios**$39.63**4.6★**▲ 67%**](https://www.amazon.com/dp/B0FCQN4K55) [**Probios Digestive Support Probiotic for Dogs Horses Cats Gut Health Powder for All Species Daily Supplement for Digestion Immune Support 240 Grams (Pack of 2)**Probios**$35.30**4.7★**▲ 40%**](https://www.amazon.com/dp/B0FCQVQR93) [**Probios for Horses Soft Chews Daily Probiotic Supplement for Gut Health Equine Digestion and Immune Support Apple Flavor 1.32 lbs (600 Grams) (Pack of 2)**Probios**$32.04**4.7★**▲ 34%**](https://www.amazon.com/dp/B0FCPTZ736)
**~~View all trending →~~**
## **What buyers say about probios**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**29%
*“Good quality”*
**Pet Friendly**15%
*“Our horse loves them”*
**Value For Money**14%
*“Great price great product”*
**Advertised Vs Actual Product**8%
*“Item as described”*
**Taste-Overall**8%
*“Great treat”*
**Ease Of Use**6%
*“Ease of Use”*
**Allergies**5%
*“It has helped her not be sick”*
**Scratch Resistance**2%
*“After a week on this Probios my dog is resting better, he no longer naw on his paws, no scratching and his biles are much better, I highly recommend this product”*
**Weather Proof**2%
*“they help her when we change hay or weather”*
**Smell**2%
*“Look and smell great”*
### **What buyers complain about **
**Functionality-Overall**22%
*“Didn't work for me”*
**Indigestion**15%
*“My horse had a digestive upset so I ordered them”*
**Locking Mechanism**11%
*“the protective seal on one end wasnt secured”*
**Stale/Rotten/Spoiled**11%
*“all the probiotics are stale”*
**Instructions/User Manual/Troubleshooting**11%
*“Would be nice if the container didnt have the sticker right over the dosage instructions”*
**Value For Money**11%
*“going to the Vet gets pretty expensive as they get older”*
**Hard Feel**6%
*“Not soft and chewy”*
**Moist/Dry**6%
*“They arrived dried and hard”*
**Allergies**4%
*“Some dogs have allergic reactions to grass anyway so they lick their feet - they kind of itch”*
### **Top return reasons **
**Advertised Vs Actual Product**44%
**Texture/Consistency-Overall**38%
**Leak-Proof**13%
**Material Quality**6%
## **Common questions**
- **Is probios profitable to sell on Amazon United States?**
- The niche generates $401K/yr across 17 tracked products. 90-day search growth is -9.8%. Flapen's verdict: Skip it (49/100).
- **How competitive is the probios niche?**
- 3 brands and 57 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in probios?**
- Top complaints mined from reviews: Functionality-Overall, Indigestion, Locking Mechanism. The return rate is 0.1%.
- **When does demand for probios peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the probios niche?**
- Listings span $14.38–$67.84; the average listing price is $30.24 (sweet spot $15–$100). The average incumbent carries 1,051 reviews — the moat a new listing must climb.
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