---
title: "Fish Oil Pills for Dogs — $271K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/fish-oil-pills-for-dogs"
last_updated: "2026-07-21T19:19:17.073Z"
locale: en
meta:
description: "Niche score 63/100 · $271K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 63/100 · $271K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Fish Oil Pills for Dogs — $271K/yr Amazon US Niche (2026) - Flapen"
---
# **fish oil pills for dogs**
**Worth a look**
Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 49Growth 29Conversion 96Competition 63Returns 100Price range 79Avg price 94Brand share 54Review moat 24Quality gap 65
**Returns**
**Incredible****0.0%**
return rate — above 6% kills the launch gate
**Conversion**
**Incredible****13.1%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$22.42**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$9.70–$35.44**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****47%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Good****72%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$271K**
$271K/yr · 92K searches
**Growth**
**Okay****+3.5%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****6,609.77**
avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, fish oil pills for dogs is a $271K/yr Amazon United States market (92K searches/yr). The top 5 brands hold 72% of demand. Verdict: Worth a look — 63/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **fish oil pills for dogs market data**
- **Units sold / yr**
- **10K–13K**
- avg 250–500/product
- **Revenue / yr**
- **$224K–$280K**
- units × avg price
- **Launch success**
- **—**
- 3 of 3 new (360d)
- **Conversion rate**
- **13.1%**
- **Avg BSR**
- **#67**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.9%**
- **Avg brand age**
- **62 months**
- **Avg seller age**
- **166 days**
## **Competition & brand share**
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▲rising
**Sellers**
**43**
**Top-5 brand share**
**72%**
Top 20: 100%
**Top-5 click share**
**47%**
Top 20: 86%
**Open market**
**23%**
- BARK&SPARK47% - Zesty Paws7% - Nutramax Laboratories7% - Nutri-Vet6% - Petsology5% - TTLXBL4%
## **Demand**
Weekly Amazon search volume, last 28 weeks — +3.5% search growth over the last 90 days.
2K2KSpike '26Jan '26Feb '26Mar '26Mar '26Apr '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/us/pet-supplies/fish-oil-pills-for-dogs/trend)
## **Top fish oil pills for dogs search terms**
- **bark and spark**16K/yr+17.6%8.7% conv. - **fish oil pills for dogs**8K/yr+9.1%7.6% conv. - **fish oil for dogs capsules**7K/yr-3.2%6.8% conv. - **fish oil chews for dogs**8K/yr-29.4%7.5% conv. - **omega 3 for dogs chews**6K/yr-9.3%9.5% conv. - **dog hair loss treatment**8K/yr+8.8%1.0% conv. - **bark and spark omega skin and coat**6K/yr+10.3%16.2% conv. - **salmon oil chews for dogs**5K/yr+23.9%5.9% conv. - **omega 3 chews for dogs**7K/yr+4.5%6.1% conv. - **dog fish oil chews**3K/yr+57.8%6.7% conv. [**All search terms **](https://flapen.com/research/us/pet-supplies/fish-oil-pills-for-dogs/search-terms)
## **Top fish oil pills 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.
0%10%$27K20%$54K30%$81K40%$108K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 30 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**BARK&SPARK Omega 3 for Dogs - 180 Fish Oil Treats for Dog Shedding Skin Allergy Chews Itch Relief Hot Spots Treatment - Joint Health - Skin and Coat Supplement - EPA & DHA Fatty Acids - Salmon Oil**BARK&SPARK**$22.98**4.3★12,733 rev](https://www.amazon.com/dp/B08QSK1CYF) [2**BARK&SPARK Omega 3 for Dogs and Cats-180 Fish Oil Treats for Dogs & Cats Shedding Skin Allergy Itch Relief Hot Spots Treatment-Joint Health-Skin and Coat Supplement-EPA & DHA Fatty Acids-Salmon Oil**BARK&SPARK**$22.98**4.4★5,304 rev](https://www.amazon.com/dp/B0B7G9S186) [3**Nutri-Vet Fish Oil Supplement for Dogs Omega 3 Fish Oil for Dogs Pet Supplies Pet Vitamins and Supplements EPA DHA Formula Puppy Vitamins Shed Control New Puppy Essentials 100 Count**Nutri-Vet**$18.06**4.5★3,803 rev](https://www.amazon.com/dp/B003BARURW) [4**Omega 3 for Dogs - 250 Fish Oil Chews for Dog Shedding Allergy & Itch Relief Hot Spot Treatment - Advanced Skin & Coat Supplement - Joint Health - EPA & DHA Fatty Acids - Salmon Oil & Probiotics**Petsology**$19.55**4.4★162 rev](https://www.amazon.com/dp/B0GCPLJ36P) [5**BARK&SPARK Dog Allergy Relief Soft Chews for Skin Health & Seasonal Allergies - Anti-Itch Supplement w/Omega-3 Quercetin & Bromelain Immune Treats for Dry Skin & Hot Spots - Chicken - 120ct**BARK&SPARK**$21.08**4.1★8,736 rev](https://www.amazon.com/dp/B08QSFK13L)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Natural Dog Company Wild Alaskan Salmon Chews for Dogs Fish Oil Supplement with EPA & DHA for Itchy Skin Coat Brain Joints & Immune Health Daily Omega-3 Chews 90 Count**Natural Dog Company**$31.56**13,743 rev5mo ago](https://www.amazon.com/dp/B0DYWBJLDB) [**Omega 3 for Dogs - 250 Fish Oil Chews for Dog Shedding Allergy & Itch Relief Hot Spot Treatment - Advanced Skin & Coat Supplement - Joint Health - EPA & DHA Fatty Acids - Salmon Oil & Probiotics**Petsology**$19.55**162 rev6mo ago](https://www.amazon.com/dp/B0GCPLJ36P) [**Omega 3 for Dogs Salmon Oil for Dogs Skin & Coat Health Fish Oil Supplement for Dog Shedding Itch & Hot Spot Relief Allergy Chews with EPA & DHA Fatty Acids for Skin & Joint Support - 180 Ct**BuddyCheer**$20.99**439 rev10mo ago](https://www.amazon.com/dp/B0FL1W3QJP) [**Omega 3 Skin and Coat Supplement for Dogs 200 Chews Dog Fish Oil Supplements with EPA & DHA Fatty Acids Dry Skin Relief for Dogs Shedding Allergy Itching Promotes Heart Hip Joint Health**TTLXBL**$17.28**539 rev1y ago](https://www.amazon.com/dp/B0F53N78CW) [**Fish Oil for Dogs Allergy and Itch Relief Chews - Omega 3 for Dog Skin and Coat Care - Salmon Oil for Dogs Anti Shedding Supplement Hot Spot Treatment EPA & DHA 200 Ct**TTLXRL**$14.24**44 rev1y ago](https://www.amazon.com/dp/B0GVDWS91Z)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Fish Oil for Dogs Allergy and Itch Relief Chews - Omega 3 for Dog Skin and Coat Care - Salmon Oil for Dogs Anti Shedding Supplement Hot Spot Treatment EPA & DHA 200 Ct**TTLXRL**$14.24**4.5★**▲ 266%**](https://www.amazon.com/dp/B0GVDWS91Z) [**Omega 3 for Dogs - 250 Fish Oil Chews for Dog Shedding Allergy & Itch Relief Hot Spot Treatment - Advanced Skin & Coat Supplement - Joint Health - EPA & DHA Fatty Acids - Salmon Oil & Probiotics**Petsology**$19.55**4.4★**▲ 230%**](https://www.amazon.com/dp/B0GCPLJ36P) [**Natural Dog Company Wild Alaskan Salmon Chews for Dogs Fish Oil Supplement with EPA & DHA for Itchy Skin Coat Brain Joints & Immune Health Daily Omega-3 Chews 90 Count**Natural Dog Company**$31.56**4.6★**▲ 224%**](https://www.amazon.com/dp/B0DYWBJLDB) [**BARK&SPARK Dog Allergy Relief Soft Chews for Skin Health & Seasonal Allergies - Anti-Itch Supplement w/Omega-3 Quercetin & Bromelain Immune Treats for Dry Skin & Hot Spots - Chicken - 120ct**BARK&SPARK**$21.08**4.1★**▲ 167%**](https://www.amazon.com/dp/B08QSFK13L) [**BARK&SPARK Advanced Calming Hemp Treats for Dogs - Hemp Oil + Melatonin - Anxiety Relief - Separation Aid - Stress Relief During Fireworks Storms Thunder - Aggressive Behavior Barking - 120Ct BBQ**BARK&SPARK**$26.48**3.9★**▲ 76%**](https://www.amazon.com/dp/B0BD8KG8D2)
**~~View all trending →~~**
## **What buyers say about fish oil pills for dogs**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Pet Friendly**22%
*“Cats love it”*
**Quality-Overall**12%
*“I fully recommend this based on the quality of his coat”*
**Taste-Overall**11%
*“Happy that my dogs likes the taste”*
**Allergies**11%
*“Helps with allergies”*
**Soft Feel**5%
*“Their hair is shiny and softer and they love them”*
**Value For Money**5%
*“Bang for your buck”*
**Ease Of Chewing/Swallowing**4%
*“Good chews”*
**Brightness/Shine/Glow**3%
*“Shiny Coats”*
**Flavor**3%
*“Great flavor”*
**Ease Of Use**3%
*“Easy to use”*
### **What buyers complain about **
**Allergies**22%
*“Allergy”*
**Smell**14%
*“Bad smell”*
**Indigestion**8%
*“Causes vomiting”*
**Leak-Proof**7%
*“leaked all over everything”*
**Functionality-Overall**6%
*“Didn't work for our dog”*
**Taste-Overall**6%
*“Did not like the taste”*
**Value For Money**5%
*“too expensive for me”*
**Quality-Overall**2%
*“Poor product”*
**Size-Overall**2%
*“They're pretty large”*
**Ease Of Chewing/Swallowing**2%
*“These are not chewable”*
### **Top return reasons **
**Indigestion**13%
**Leak-Proof**12%
**Functionality-Overall**10%
**Advertised Vs Actual Product**10%
**Product Condition**10%
**Taste-Overall**7%
**Smell**7%
**Value For Money**7%
**Size-Overall**7%
**Flavor**3%
## **Common questions**
- **Is fish oil pills for dogs profitable to sell on Amazon United States?**
- The niche generates $271K/yr across 30 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +3.5%. Flapen's verdict: Worth a look (63/100).
- **How competitive is the fish oil pills for dogs niche?**
- 18 brands and 43 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 72% of demand.
- **What do buyers complain about in fish oil pills for dogs?**
- Top complaints mined from reviews: Allergies, Smell, Indigestion. The return rate is 0.0%.
- **What does it cost to enter the fish oil pills for dogs niche?**
- Listings span $9.70–$35.44; the average listing price is $22.42 (sweet spot $15–$100). The average incumbent carries 6,610 reviews — the moat a new listing must climb.
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