---
title: "Fish Oil Liquid — $1.7M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/fish-oil-liquid"
last_updated: "2026-08-09T21:29:07.451Z"
locale: en
meta:
description: "Niche score 58/100 · $1.7M/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 58/100 · $1.7M/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 Liquid — $1.7M/yr Amazon US Niche (2026) - Flapen"
---
# **fish oil liquid**
**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 90Growth 23Conversion 78Competition 63Returns 100Price range 86Avg price 95Brand share 12Review moat 31Quality gap 23
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$34.45**
avg listing price — sweet spot $15–$100
**Market size**
**Great****$1.7M**
$1.7M/yr · 643K searches
**Price range**
**Great****$9.51–$56.55**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Great****7.7%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Good****47%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****3,388.42**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-3.4%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****95%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, fish oil liquid is a $1.7M/yr Amazon United States market (643K searches/yr). The top 5 brands hold 95% of demand. Verdict: Worth a look — 58/100.
Data updated Jul 26, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **fish oil liquid market data**
- **Units sold / yr**
- **50K–60K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **$1.7M–$2.1M**
- units × avg price
- **Conversion rate**
- **7.7%**
- **Avg BSR**
- **#444**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **82%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **86 months**
- **Avg seller age**
- **156 days**
## **Competition & brand share**
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**10 **▲rising
**Sellers**
**598**
**Top-5 brand share**
**95%**
Top 20: 100%
**Top-5 click share**
**47%**
Top 20: 86%
**Open market**
**4%**
- Carlson58% - Barlean's25% - Nordic Naturals9% - NOW Foods2% - Natural Force1% - Carlyle1% - Open — no brand owns it (4 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -3.4% search growth over the last 90 days.
13K8KSpike '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/health-household/fish-oil-liquid/trend)
## **Top fish oil liquid search terms**
- **carlson fish oil omega 3**134K/yr-7.9%10.3% conv. - **fish oil liquid**76K/yr-12.3%4.9% conv. - **barleans fish oil omega 3**55K/yr-2.2%7.2% conv. - **liquid fish oil**52K/yr-7.6%4.6% conv. - **carlson fish oil**50K/yr+6.4%8.1% conv. - **barleans**34K/yr+8.1%3.6% conv. - **omega 3 liquid**37K/yr-13.1%3.9% conv. - **omega 3 fish oil liquid**28K/yr-8.2%3.8% conv. - **liquid omega 3**20K/yr-11.3%3.7% conv. - **barleans fish oil**24K/yr-19.5%4.3% conv. [**All search terms **](https://flapen.com/research/us/health-household/fish-oil-liquid/search-terms)
## **Top fish oil liquid 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%5%$85K10%$171K15%$256K20%$341K1001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Carlson - Elite Omega-3 Gems 1600 mg Omega-3 Fatty Acids Including EPA and DHA Norwegian Wild-Caught Fish Oil Supplement Sustainably Sourced Omega 3 Fish Oil Capsules Lemon 130 Softgels**Carlson**$40.80**4.8★2,182 rev](https://www.amazon.com/dp/B081VWWGCZ) [2**Carlson - The Very Finest Fish Oil 1600 mg Omega-3s Liquid Fish Oil Supplement Norwegian Fish Oil Wild-Caught Sustainably Sourced Fish Oil Liquid Lemon 200ml 6.7 Fl Oz**Carlson**$27.82**4.8★7,541 rev](https://www.amazon.com/dp/B001LF39RE) [3**Carlson - The Very Finest Fish Oil 1600 mg Omega-3s Liquid Supplement Norwegian Wild-Caught Sustainably Sourced Lemon 16.9 Fl Oz**Carlson**$54.14**4.8★7,541 rev](https://www.amazon.com/dp/B001LF39RO) [4**Barleans Omega 3 Fish Oil Liquid Supplement with Vitamin D for Men and Women 1080mg of EPA and DHA Fatty Acid Promotes Brain & Heart Health - Non-GMO Mango Peach 8 oz**Barlean's**$19.11**4.6★6,304 rev](https://www.amazon.com/dp/B003PRICSM) [5**Barleans Omega 3 Fish Oil Liquid Supplement with Vitamin D for Men and Women 1080mg of EPA and DHA Fatty Acid Promotes Brain & Heart Health - Non-GMO Mango Peach 16 oz**Barlean's**$35.22**4.6★6,304 rev](https://www.amazon.com/dp/B003PRMACQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Carlyle Omega 3 Fish Oil Liquid 1650mg | 32 fl oz (2 x 16 fl oz Bottles)**Carlyle**$26.90**230 rev3y ago](https://www.amazon.com/dp/B0BQRVFJ2S) [**Carlson - Elite Omega-3 Gems 1600 mg Omega-3 Fatty Acids Including EPA and DHA Norwegian Wild-Caught Fish Oil Supplement Sustainably Sourced Omega 3 Fish Oil Capsules Lemon 130 Softgels**Carlson**$40.80**2,182 rev6y ago](https://www.amazon.com/dp/B081VWWGCZ) [**Natural Force Pure Omega 3 - Liquid Fish Oil - Delicious Lemon Cake Flavor - Mercury Free Wild Caught Lab Tested - 1 326 mg Triglyceride EPA DHA & DPA - 16 Oz Glass Bottle**Natural Force**$44.08**816 rev6y ago](https://www.amazon.com/dp/B07YLYHKD9) [**Carlson - The Very Finest Fish Oil Special Edition 1600 mg Omega-3s Liquid Supplement Norwegian Fish Oil Wild-Caught Sustainably Sourced Liquid Lemon 500 mL (16.9 Fl Oz)**Carlson**$55.43**1,214 rev9y ago](https://www.amazon.com/dp/B071Z9P4L5) [**Carlson - Maximum Omega 2000 2000 mg Omega-3 Fatty Acids Including EPA and DHA Wild-Caught Norwegian Fish Oil Supplement Sustainably Sourced Fish Oil Capsules Lemon 60 Softgels**Carlson**$32.94**878 rev9y ago](https://www.amazon.com/dp/B06XT1C1ZG)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Carlson Super Omega-3 Gems Norwegian 1 200 mg Omega-3s 100 Soft Gels**Carlson**$31.00**4.7★**▲ 118%**](https://www.amazon.com/dp/B003BVIAUM) [**Nordic Naturals Ultimate Omega Liquid Lemon Flavor - 4 oz - 2840 mg Omega-3 - High-Potency Fish Oil Supplement with EPA & DHA - Promotes Brain & Heart Health - Non-GMO - 24 Servings**Nordic Naturals**$37.94**4.6★**▲ 68%**](https://www.amazon.com/dp/B002WTCLG8) [**Barleans Omega 3 Fish Oil Liquid Supplement with Vitamin D for Men and Women 1080mg of EPA and DHA Fatty Acid Promotes Brain & Heart Health - Non-GMO Mango Peach 8 oz**Barlean's**$19.11**4.6★**▲ 65%**](https://www.amazon.com/dp/B003PRICSM) [**Carlson - The Very Finest Fish Oil 1600 mg Omega-3s Liquid Fish Oil Supplement Norwegian Fish Oil Wild-Caught Sustainably Sourced Fish Oil Liquid Orange 6.7 Fl Oz**Carlson**$27.90**4.7★**▲ 47%**](https://www.amazon.com/dp/B001LF39RY) [**Carlson - Elite Omega-3 Gems 1600 mg Omega-3 Fatty Acids Including EPA and DHA Norwegian Wild-Caught Fish Oil Supplement Sustainably Sourced Omega 3 Fish Oil Capsules Lemon 130 Softgels**Carlson**$40.80**4.8★**▲ 43%**](https://www.amazon.com/dp/B081VWWGCZ)
**~~View all trending →~~**
## **What buyers say about fish oil liquid**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Taste-Overall**20%
*“No fishy after taste”*
**Quality-Overall**20%
*“Excellent Quality”*
**Pet Friendly**11%
*“Cats love it”*
**Value For Money**7%
*“Affordable price”*
**Flavor**5%
*“The lemon flavor”*
**Allergies**2%
*“less itchy skin”*
**Smell**2%
*“there is no overpowering smell”*
**Advertised Vs Actual Product**2%
*“Item as described”*
**Soft Feel**2%
*“her hair is soft”*
**Brightness/Shine/Glow**2%
*“Its shiny and smooth”*
### **What buyers complain about **
**Taste-Overall**19%
*“Poor taste”*
**Allergies**10%
*“Dog allergic”*
**Smell**9%
*“Has a strong fishy odor”*
**Leak-Proof**7%
*“One of them leaked”*
**Value For Money**6%
*“A little expensive”*
**Indigestion**3%
*“Made my dogs start throwing up and caused diarrhea”*
**Flavor**3%
*“No lemon flavor”*
**Functionality-Overall**2%
*“Doesnt work”*
**Dosage**2%
*“can't do large pills so I'll just take it anyway”*
**Ease Of Use**2%
*“Can't use it”*
### **Top return reasons **
**Taste-Overall**18%
**Value For Money**15%
**Flavor**10%
**Oily/Greasy**10%
**Stale/Rotten/Spoiled**8%
**Functionality-Overall**8%
**Smell**8%
**Ingredients-Overall**8%
**Durability**8%
**Certifications**8%
## **Common questions**
- **Is fish oil liquid profitable to sell on Amazon United States?**
- The niche generates $1.7M/yr across 33 tracked products. 90-day search growth is -3.4%. Flapen's verdict: Worth a look (58/100).
- **How competitive is the fish oil liquid niche?**
- 10 brands and 598 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 95% of demand.
- **What do buyers complain about in fish oil liquid?**
- Top complaints mined from reviews: Taste-Overall, Allergies, Smell. The return rate is 0.0%.
- **When does demand for fish oil liquid peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the fish oil liquid niche?**
- Listings span $9.51–$56.55; the average listing price is $34.45 (sweet spot $15–$100). The average incumbent carries 3,388 reviews — the moat a new listing must climb.
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