---
title: "Fish Oil for Cats — $1.4M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/fish-oil-for-cats"
last_updated: "2026-07-21T17:40:32.442Z"
locale: en
meta:
description: "Niche score 54/100 · $1.4M/yr market · 686K searches/yr. A deep review moat (21,290 avg reviews) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 54/100 · $1.4M/yr market · 686K searches/yr. A deep review moat (21,290 avg reviews) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Fish Oil for Cats — $1.4M/yr Amazon US Niche (2026) - Flapen"
---
# **fish oil for cats**
**Worth a look**
Shows low returns (0.0%), but a deep review moat (21,290 avg reviews) keeps it on the watch list.
Market size 84Growth 21Conversion 88Competition 18Returns 100Price range 79Avg price 86Brand share 27Review moat 16Quality gap 50
**Returns**
**Incredible****0.0%**
return rate — above 6% kills the launch gate
**Conversion**
**Great****10.2%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$19.42**
avg listing price — sweet spot $15–$100
**Market size**
**Great****$1.4M**
$1.4M/yr · 686K searches
**Price range**
**Great****$10.03–$35.34**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****89%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-7.5%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****79%**
top-5 click share — a locked-up shelf
**Review moat**
**Bad****21,289.85**
avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, fish oil for cats is a $1.4M/yr Amazon United States market (686K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 54/100.
Data updated Jul 17, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **fish oil for cats market data**
- **Units sold / yr**
- **60K–80K**
- avg 6,000–8,000/product
- **Revenue / yr**
- **$1.2M–$1.6M**
- units × avg price
- **Launch success**
- **—**
- 1 of 2 new (360d)
- **Conversion rate**
- **10.2%**
- **Avg BSR**
- **#20**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **66 months**
- **Avg seller age**
- **160 days**
## **Competition & brand share**
The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▲rising
**Sellers**
**13**
**Top-5 brand share**
**89%**
Top 20: 100%
**Top-5 click share**
**79%**
Top 20: 100%
**Open market**
**8%**
- Zesty Paws57% - HEAPETS13% - Nordic Naturals9% - Native Pet6% - Pet Honesty5% - Vital Pet Life3% - Open — no brand owns it (3 brands, 8%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -7.5% search growth over the last 90 days.
23K18KSpike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul · busiest ÷ quietest = 3.6×
[**Open Trend **](https://flapen.com/research/us/pet-supplies/fish-oil-for-cats/trend)
## **Top fish oil for cats search terms**
- **salmon oil for cats**176K/yr-12.2%8.1% conv. - **fish oil for cats**115K/yr-16.0%7.9% conv. - **omega 3 for cats**88K/yr-0.7%6.9% conv. - **zesty paws salmon oil**76K/yr-18.6%9.3% conv. - **cat fish oil**38K/yr-6.7%9.0% conv. - **omega 3 fish oil for cats**27K/yr-6.3%6.8% conv. - **cat omega 3**19K/yr+13.1%8.1% conv. - **zesty paws wild alaskan salmon oil**17K/yr+8.2%10.7% conv. - **cat salmon oil**24K/yr-15.7%8.2% conv. - **cat omega 3 supplement**12K/yr+17.0%7.1% conv. [**All search terms **](https://flapen.com/research/us/pet-supplies/fish-oil-for-cats/search-terms)
## **Top fish oil for cats 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%$136K20%$272K30%$408K40%$544K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Zesty Paws Wild Alaskan Omega-3 Blend Pollock + Salmon Oil for Dogs and Cats- Skin and Coat Support Omega 3 Supplement for Pets 8.5oz**Zesty Paws**$16.72**4.5★69,762 rev](https://www.amazon.com/dp/B0CXKNLKMX) [2**Zesty Paws Wild Alaskan Omega-3 Blend Pollock + Salmon Oil for Dogs and Cats- Skin and Coat Support Omega 3 Supplement for Pets 32oz**Zesty Paws**$35.34**4.5★69,762 rev](https://www.amazon.com/dp/B0CVNQCWMM) [3**Wild Alaskan Salmon Oil for Dogs & Cats Fish Oil Omega 3 Supplements with EPA & DHA for Skin & Coat Immune Brain Joint and Heart Health Dog & Cat Fish Oil Supplements with Pump- 8 oz**HEAPETS**$10.18**4.4★1,035 rev](https://www.amazon.com/dp/B0DMW57TPJ) [4**Nordic Naturals Omega-3 Cat Unflavored - 2 oz - 304 mg Omega-3 Per One mL - Fish Oil for Cats with EPA & DHA - Promotes Heart Skin Coat & Immune Health - Non-GMO**Nordic Naturals**$15.21**4.2★2,300 rev](https://www.amazon.com/dp/B08B1XJG87) [5**Native Pet Omega 3 Fish Oil for Dogs & Cats Wild Alaskan Salmon Oil for Dogs Skin and Coat Supports Joints Heart & Shedding Fast-Absorbing Omega 3 6 9 Liquid Supplement 8oz**Native Pet**$15.47**4.4★15,697 rev](https://www.amazon.com/dp/B08R589VZ2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Wild Alaskan Salmon Oil for Dogs + Cats - 100% Pure Natural Omega 3 Fish Oil Supplement for Pet Skin Coat Health Allergy Itch Relief EPA DHA Fatty Acids for Dog Joint Support Heart Wellness (8 oz)**Pet Honesty**$16.05**8,038 rev1mo ago](https://www.amazon.com/dp/B0GZX5F1CN) [**Premium Salmon Oil for Cats Pure Norwegian Salmon Oil High in Omega 3 EPA & DHA -Powerful Fish Oil for Cats Skin & Coat Hip & Joints Allergies & Immunity Omega 3 Fish Oil - 4oz Liquid**WONDER PAWS**$10.03**99 rev6mo ago](https://www.amazon.com/dp/B0GC8T92X7) [**Wild Alaskan Salmon Oil for Dogs & Cats Fish Oil Omega 3 Supplements with EPA & DHA for Skin & Coat Immune Brain Joint and Heart Health Dog & Cat Fish Oil Supplements with Pump- 8 oz**HEAPETS**$10.18**1,035 rev1y ago](https://www.amazon.com/dp/B0DMW57TPJ) [**Salmon Oil for Dogs and Cats 32 oz - Omega-Rich Supplement for Healthy Skin & Coat Joint & Immune Support - All-Natural Fish Oil Liquid - Premium Pet Care Made in USA**Chew + Heal Labs**$28.28**4,305 rev2y ago](https://www.amazon.com/dp/B0D3FG3PVL) [**Zesty Paws Wild Alaskan Omega-3 Blend Pollock + Salmon Oil for Dogs and Cats- Skin and Coat Support Omega 3 Supplement for Pets 16oz**Zesty Paws**$28.37**69,762 rev2y ago](https://www.amazon.com/dp/B0CXKHT5K2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Wild Alaskan Salmon Oil for Dogs + Cats - 100% Pure Natural Omega 3 Fish Oil Supplement for Pet Skin Coat Health Allergy Itch Relief EPA DHA Fatty Acids for Dog Joint Support Heart Wellness (8 oz)**Pet Honesty**$16.05**4.6★**▲ 306%**](https://www.amazon.com/dp/B0GZX5F1CN) [**Premium Salmon Oil for Cats Pure Norwegian Salmon Oil High in Omega 3 EPA & DHA -Powerful Fish Oil for Cats Skin & Coat Hip & Joints Allergies & Immunity Omega 3 Fish Oil - 4oz Liquid**WONDER PAWS**$10.03**4.1★**▲ 63%**](https://www.amazon.com/dp/B0GC8T92X7) [**Salmon Oil for Dogs and Cats 32 oz - Omega-Rich Supplement for Healthy Skin & Coat Joint & Immune Support - All-Natural Fish Oil Liquid - Premium Pet Care Made in USA**Chew + Heal Labs**$28.28**4.6★**▲ 56%**](https://www.amazon.com/dp/B0D3FG3PVL) [**Wild Alaskan Salmon Oil for Dogs & Cats Fish Oil Omega 3 Supplements with EPA & DHA for Skin & Coat Immune Brain Joint and Heart Health Dog & Cat Fish Oil Supplements with Pump- 8 oz**HEAPETS**$10.18**4.4★**▲ 40%**](https://www.amazon.com/dp/B0DMW57TPJ) [**Zesty Paws Wild Alaskan Omega-3 Blend Pollock + Salmon Oil for Dogs and Cats- Skin and Coat Support Omega 3 Supplement for Pets 32oz**Zesty Paws**$35.34**4.5★**▲ 31%**](https://www.amazon.com/dp/B0CVNQCWMM)
**~~View all trending →~~**
## **What buyers say about fish oil for cats**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Pet Friendly**27%
*“Dog Loves It”*
**Quality-Overall**11%
*“The results have been consistent and reassuring, which speaks to the quality of the product”*
**Taste-Overall**9%
*“My dogs love the taste”*
**Allergies**7%
*“allergy free”*
**Soft Feel**7%
*“he is silky smooth”*
**Value For Money**4%
*“Good price”*
**Smell**3%
*“It smells so strongly”*
**Ease Of Use**3%
*“Easy to use”*
**Brightness/Shine/Glow**3%
*“From flay skin to fine shine”*
**Flavor**3%
*“my pets were practically doing happy dances around the kitchen because they love the taste so much”*
### **What buyers complain about **
**Smell**19%
*“Gross smell”*
**Leak-Proof**17%
*“it leaks”*
**Allergies**13%
*“itching a lot”*
**Indigestion**7%
*“Tummy issues”*
**Value For Money**5%
*“much too expensive for my budget”*
**Taste-Overall**4%
*“Dislike taste”*
**Size-Overall**3%
*“this bottle is not large enough”*
**Functionality-Overall**2%
*“Not effective”*
**Ease Of Use**2%
*“Bottle pump very difficult to open”*
**Ease Of Cleaning**2%
*“Messy”*
### **Top return reasons **
**Leak-Proof**29%
**Size-Overall**19%
**Product Condition**15%
**Value For Money**12%
**Taste-Overall**8%
**Functionality-Overall**4%
**Smell**4%
**Advertised Vs Actual Product**4%
**Quality-Overall**4%
**Defective Material/Parts**2%
## **Common questions**
- **Is fish oil for cats profitable to sell on Amazon United States?**
- The niche generates $1.4M/yr across 13 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -7.5%. Flapen's verdict: Worth a look (54/100).
- **How competitive is the fish oil for cats niche?**
- 9 brands and 13 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 89% of demand.
- **What do buyers complain about in fish oil for cats?**
- Top complaints mined from reviews: Smell, Leak-Proof, Allergies. The return rate is 0.0%.
- **When does demand for fish oil for cats peak?**
- Demand peaks in May–Jun–Jul; the busiest month runs 3.6× the quietest.
- **What does it cost to enter the fish oil for cats niche?**
- Listings span $10.03–$35.34; the average listing price is $19.42 (sweet spot $15–$100). The average incumbent carries 21,290 reviews — the moat a new listing must climb.
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