fiber for dogs
Worth a lookShows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 6% kills the launch gate
Market size
Incredible$4.1M$4.1M/yr · 990K searches
Conversion
Incredible15.1%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$27.55avg listing price — sweet spot $15–$100
Price range
Great$13.88–$68.04cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Growth
Bad-6.6%90-day search growth — must beat 0% to launch
Review moat
Bad11,020.47avg incumbent reviews — the moat a new listing must climb
Brand share
Bad99%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, fiber for dogs is a $4.1M/yr Amazon United States market (990K searches/yr). The top 5 brands hold 99% of demand. Verdict: Worth a look — 59/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
fiber for dogs market data
- Units sold / yr
- 125K–150K
- avg 6,000–8,000/product
- Revenue / yr
- $3.4M–$4.1M
- units × avg price
- Launch success
- —
- 2 of 2 new (360d)
- Conversion rate
- 15.1%
- Avg BSR
- #10
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 54 months
- Avg seller age
- 165 days
Competition & brand share
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
6 rising
Sellers
16
Top-5 brand share
99%
Top 20: 100%
Top-5 click share
63%
Top 20: 100%
Open market
0%
- Vetnique89%
- Veterinary Formula4%
- Bernie's2%
- NaturVet2%
- Native Pet2%
- Petsology1%
Demand
Weekly Amazon search volume, last 45 weeks — -6.6% search growth over the last 90 days.Top fiber for dogs search terms
- glandex for dogs335K/yr
- glandex165K/yr
- glandex analgland support chews83K/yr
- anal gland66K/yr
- fiber for dogs61K/yr
- vetnique glandex for dogs33K/yr
- dog fiber29K/yr
- dog analgland treatment33K/yr
- dog fiber supplements24K/yr
- dog analgland chews20K/yr
Top fiber for dogs 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 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Vetnique Glandex Anal Gland Soft Chew Treats with Pumpkin for Dogs Digestive Enzymes Probiotics Fiber Supplement for Dogs Boot The Scoot (Peanut Butter Chews 60 Count)
Vetnique$31.884.5★37,834 rev

Vetnique Glandex Anal Gland Soft Chew Treats with Pumpkin for Dogs Digestive Enzymes Probiotics Fiber Supplement for Dogs Boot the Scoot (30ct Peanut Butter Chews)
Vetnique$19.654.5★37,834 rev

Vetnique Glandex Anal Gland Soft Chew Treats with Pumpkin for Dogs Digestive Enzymes Probiotics Fiber Supplement for Dogs Boot The Scoot (Advanced Strength Duck/Bacon 60 Ct)
Vetnique$39.084.4★5,099 rev

Vetnique Glandex Anal Gland Soft Chew Treats with Pumpkin for Dogs Digestive Enzymes Probiotics Fiber Supplement for Dogs Boot The Scoot (Bacon Flavor Chews 30 Count)
Vetnique$19.524.4★8,132 rev

Vetnique Glandex Anal Gland Soft Chew Treats with Pumpkin for Dogs Digestive Enzymes Probiotics Fiber Supplement for Dogs Boot The Scoot (Peanut Butter Chews 120 Count)
Vetnique$58.034.5★37,834 rev
Newest
by launch date
Vetnique Glandex Dog Probiotic Chews Daily Probiotics for Dogs 5 Strains Prebiotics & Digestive Enzymes for Gut & Immune Health Vet Formulated for Occasional Diarrhea (30ct Chews Probiotic Chews)
Vetnique$19.65266 rev

Anal Gland Support Chews for Dogs - 170 Ct - Scoot Treatment - Dog Anal Gland Supplement - Pumpkin Psyllium Husk Fiber - Supports Gut Health & Stool Quality - Digestive Enzymes - Made in USA
Petsology$20.902,475 rev

Veterinary Formula Anal Gland Support for Dogs Vet-Formulated No Scoot Chews with Pumpkin Ginger Agave Inulin & Probiotics Supports Scooting Stool Quality & Digestive Health 60 Soft Chews
Veterinary Formula$14.82612 rev

Native Pet WonderGland - Dog Anal Gland Supplement - Promotes Firm Stools Natural Gland Expression to Help Reduce Scooting - Fiber Food Topper with Miscanthus Grass Pumpkin & Probiotics - 30 Scoops
Native Pet$17.21885 rev

Vetnique Glandex Dog Probiotic Chews Daily Probiotics for Dogs 5 Strains Prebiotics & Digestive Enzymes for Gut & Immune Health Vet Formulated for Occasional Diarrhea (60ct Chews Probiotic Chews)
Vetnique$31.68528 rev
Trending
90-day click momentum
Anal Gland Support Chews for Dogs - 170 Ct - Scoot Treatment - Dog Anal Gland Supplement - Pumpkin Psyllium Husk Fiber - Supports Gut Health & Stool Quality - Digestive Enzymes - Made in USA
Petsology$20.904.2★

Vetnique Glandex Anal Gland Health Soft Chew Treats with Pumpkin for Dogs Digestive Enzymes Probiotics Fiber Supplement for Dogs Boot The Scoot (Advanced Strength Duck/Bacon 30 Count)
Vetnique$24.424.4★

Vetnique Glandex Anal Gland Soft Chew Treats with Pumpkin for Dogs Digestive Enzymes Probiotics Fiber Supplement for Dogs Boot The Scoot (Bacon Flavor Chews 60 Count)
Vetnique$32.124.4★

Vetnique Glandex Dog Probiotic Chews Daily Probiotics for Dogs 5 Strains Prebiotics & Digestive Enzymes for Gut & Immune Health Vet Formulated for Occasional Diarrhea (30ct Chews Probiotic Chews)
Vetnique$19.654.2★

Vetnique Glandex Anal Gland Soft Chew Treats with Pumpkin for Dogs Digestive Enzymes Probiotics Fiber Supplement for Dogs Boot The Scoot (Bacon Flavor Chews 30 Count)
Vetnique$19.524.4★
What buyers say about fiber for dogs
What buyers praise and complain about, mined from review topics.What buyers love
“Dog loves it”
“Excellent Product”
“Good taste”
“As Advertised”
“The dogs like the flavor”
“Great chews”
“Good buy for the money”
“easy to understand”
“No unpleasant smell”
“This helps the dog have comfort between visits”
What buyers complain about
“Doesn't work”
“Upset stomach”
“too expensive”
“it smelled awful”
“Makes my dog itchy”
“They seem to be dried out”
“Flavor must be awful”
“Does not work as advertised”
“NOT CHEWS”
“Quality control is extremely poor”
Top return reasons
Common questions
- Is fiber for dogs profitable to sell on Amazon United States?
- The niche generates $4.1M/yr across 19 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -6.6%. Flapen's verdict: Worth a look (59/100).
- How competitive is the fiber for dogs niche?
- 6 brands and 16 sellers compete. The top 5 products take 63% of clicks and top 5 brands hold 99% of demand.
- What do buyers complain about in fiber for dogs?
- Top complaints mined from reviews: Functionality-Overall, Indigestion, Value For Money. The return rate is 0.1%.
- What does it cost to enter the fiber for dogs niche?
- Listings span $13.88–$68.04; the average listing price is $27.55 (sweet spot $15–$100). The average incumbent carries 11,020 reviews — the moat a new listing must climb.