probios
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 6% kills the launch gate
Conversion
Incredible16.5%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$30.24avg listing price — sweet spot $15–$100
Price range
Great$14.38–$67.84cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good1,050.65avg incumbent reviews — the moat a new listing must climb
Market size
Good$401K$401K/yr · 81K searches
Competition
Okay69%top-5 click share — leaders hold, buyers still browse
Growth
Bad-9.8%90-day search growth — must beat 0% to launch
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Brand share
Bad100%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
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.No pronounced peak months · busiest ÷ quietest = 1.2×
Top probios search terms
- probios26K/yr
- probios for horses19K/yr
- probios for dogs19K/yr
- horse probiotics9K/yr
- probiotics for horses5K/yr
- horse probiotic2K/yr
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.
All 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Probios Digestive Support Probiotic for Dogs Horses Cats Gut Health Powder for All Species Daily Supplement for Digestion Immune Support 240 Grams
Probios$17.204.7★3,941 rev
Probios Digestive Support Probiotic for Dogs Horses Cats Gut Health Powder for All Species Daily Supplement for Digestion Immune Support 5 lbs
Probios$67.844.7★3,941 rev
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$35.304.7★3,941 rev
Probios for Horses Soft Chews Daily Probiotic Supplement for Gut Health Equine Digestion and Immune Support Apple Flavor 1.32 lbs (600 Grams)
Probios$17.504.7★837 rev
VETS PLUS Probios Feed Granule for Horses 5-Pound
Probios$54.654.8★547 rev
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$26.51265 rev
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$35.303,941 rev
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$32.04837 rev
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$39.63212 rev
Probios Digestive Support Probiotic for Dogs Horses Cats Gut Health Powder for All Species Daily Supplement for Digestion Immune Support 240 Grams
Probios$28.8113 rev
Trending
90-day click momentum
BIOMAC Probios Microbiotic Gel for Horses 30gm
Probios$15.504.8★
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$26.514.7★
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$39.634.6★
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$35.304.7★
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$32.044.7★
What buyers say about probios
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality”
“Our horse loves them”
“Great price great product”
“Item as described”
“Great treat”
“Ease of Use”
“It has helped her not be sick”
“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”
“they help her when we change hay or weather”
“Look and smell great”
What buyers complain about
“Didn't work for me”
“My horse had a digestive upset so I ordered them”
“the protective seal on one end wasnt secured”
“all the probiotics are stale”
“Would be nice if the container didnt have the sticker right over the dosage instructions”
“going to the Vet gets pretty expensive as they get older”
“Not soft and chewy”
“They arrived dried and hard”
“Some dogs have allergic reactions to grass anyway so they lick their feet - they kind of itch”
Top return reasons
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.