---
title: "Cod Liver Oil Liquid — £111K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/cod-liver-oil-liquid"
last_updated: "2026-07-31T10:35:01.580Z"
locale: en
meta:
description: "Niche score 43/100 · £111K/yr market · 67K searches/yr · £14.43 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · £111K/yr market · 67K searches/yr · £14.43 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Cod Liver Oil Liquid — £111K/yr Amazon UK Niche (2026) - Flapen"
---
# **cod liver oil liquid**
**Skip it**
A concentrated shelf (top 5 take 84% of clicks) — this niche doesn't clear our bar today.
Market size 27Growth 14Conversion 93Competition 13Returns 100Price range 64Avg price 70Brand share 31Review moat 61Quality gap 28
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****11.4%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Good****£14.43**
avg listing price — sweet spot $15–$100
**Price range**
**Good****£9.36–£24.97**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****1,050.89**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****£111K**
£111K/yr · 67K searches
**Growth**
**Bad****-22.5%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****84%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon United Kingdom niche tracking, cod liver oil liquid is a £111K/yr Amazon United Kingdom market (67K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Oct. Verdict: Skip it — 43/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **cod liver oil liquid market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **£87K–£115K**
- units × avg price
- **Conversion rate**
- **11.4%**
- **Avg BSR**
- **#31**
- **Page quality**
- **0%**
- **Prime**
- **78%**
- **Sponsored**
- **78%**
- **Out of stock**
- **7.1%**
- **Avg brand age**
- **100 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▼falling
**Sellers**
**83**
**Top-5 brand share**
**86%**
Top 20: 100%
**Top-5 click share**
**84%**
Top 20: 100%
**Open market**
**7%**
- Natures Aid37% - Sevenseas22% - Simply Supplements11% - MÖLLER'S8% - Gold Label8% - POWER HEALTH6% - Open — no brand owns it (2 brands, 7%)
## **Demand & seasonality**
Weekly Amazon search volume, last 89 weeks — -22.5% search growth over the last 90 days.
2K2KBlack Friday '24Spike '25Prime Day '25 seasonDecJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Oct · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/cod-liver-oil-liquid/trend)
## **Top cod liver oil liquid search terms**
- **cod liver oil liquid**60K/yr-22.2%9.2% conv. - **cod liver oil liquid seven seas**3K/yr-25.8%5.2% conv. - **seven seas cod liver oil liquid**4K/yr-23.6%7.9% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/cod-liver-oil-liquid/search-terms)
## **Top cod liver 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%10%£11K20%£22K30%£33K40%£44K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Natures Aid Cod Liver Oil Liquid 500ml - High Strength Omega-3 Fish Oil with Vitamins A & D - Supports Immune System Heart Health Brain Function and Vision - Non-GMO - Purity Guaranteed**Natures Aid**£9.36**4.5★1,009 rev](https://www.amazon.co.uk/dp/B003VJN2SY) [2**Seven Seas Omega-3 Fish Oil Plus Cod Liver Oil MAX Strength with Omega-3 Vitamins D and Vitamin E. Food Supplement for Brain2 & Body1-4 Support 450ml Liquid**Sevenseas**£13.74**4.5★65 rev](https://www.amazon.co.uk/dp/B0FT4PLF62) [3**Cod Liver Oil Liquid | 300ml | 60 Servings | Made in the UK**Simply Supplements**£11.23**4.4★43 rev](https://www.amazon.co.uk/dp/B08H7Y8Y9Y) [4**GOLD LABEL COD LIVER OIL**Gold Label**£15.68**4.6★292 rev](https://www.amazon.co.uk/dp/B0084EHCW8) [5**Icelandic Gold Cod Liver Oil Liquid (Pack of 1) by Power Health | 500ml of Premium Omega 3 Fish Oil with Vitamin A and D | Codliver Oil with Omega 3 Essential Fatty acids Including EPA and DHA**POWER HEALTH**£12.97**4.6★134 rev](https://www.amazon.co.uk/dp/B0013G6RR0)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Seven Seas Omega-3 Fish Oil Plus Cod Liver Oil MAX Strength with Omega-3 Vitamins D and Vitamin E. Food Supplement for Brain2 & Body1-4 Support 450ml Liquid**Sevenseas**£13.74**65 rev9mo ago](https://www.amazon.co.uk/dp/B0FT4PLF62) [**Bugalugs Cod liver Oil for Dogs & Cats EPA & DHA Fish Oil for Dogs Skin & Coat dog supplements health supplies for dogs more omega 3 for dogs than salmon oil for dogs uk (255ml Cod Liver Oil)**BUGALUGS**£11.11**201 rev1y ago](https://www.amazon.co.uk/dp/B0DKCC3WJK) [**Mollers | Omega 3 Cod Liver Oil | Nordic Omega 3 Dietary Supplement with EPA DHA Vitamin A D E | Superior Taste Award | High Purity Natural Cod Liver Oil | 165 Year Old Brand | Lemon | 500 ml**MÖLLER'S**£24.97**3,280 rev3y ago](https://www.amazon.co.uk/dp/B0CBT3S3CS) [**Mollers | Omega 3 Cod Liver Oil | Omega-3 Dietary Supplements with EPA DHA Vitamin A D and E | Superior Taste Award | Pure & Natural cod Liver Oil | Lemon | 250 ml**MÖLLER'S**£15.18**3,280 rev5y ago](https://www.amazon.co.uk/dp/B084P77F7B) [**Cod Liver Oil Liquid | 300ml | 60 Servings | Made in the UK**Simply Supplements**£11.23**43 rev5y ago](https://www.amazon.co.uk/dp/B08H7Y8Y9Y)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Bugalugs Cod liver Oil for Dogs & Cats EPA & DHA Fish Oil for Dogs Skin & Coat dog supplements health supplies for dogs more omega 3 for dogs than salmon oil for dogs uk (255ml Cod Liver Oil)**BUGALUGS**£11.11**4.6★**▲ 80%**](https://www.amazon.co.uk/dp/B0DKCC3WJK) [**Cod Liver Oil Liquid | 300ml | 60 Servings | Made in the UK**Simply Supplements**£11.23**4.4★**▲ 63%**](https://www.amazon.co.uk/dp/B08H7Y8Y9Y) [**Seven Seas Omega-3 Fish Oil Plus Cod Liver Oil MAX Strength with Omega-3 Vitamins D and Vitamin E. Food Supplement for Brain2 & Body1-4 Support 450ml Liquid**Sevenseas**£13.74**4.5★**▲ 31%**](https://www.amazon.co.uk/dp/B0FT4PLF62) [**Mollers | Omega 3 Cod Liver Oil | Omega-3 Dietary Supplements with EPA DHA Vitamin A D and E | Superior Taste Award | Pure & Natural cod Liver Oil | Lemon | 250 ml**MÖLLER'S**£15.18**4.7★**▲ 27%**](https://www.amazon.co.uk/dp/B084P77F7B) [**Mollers | Omega 3 Cod Liver Oil | Nordic Omega 3 Dietary Supplement with EPA DHA Vitamin A D E | Superior Taste Award | High Purity Natural Cod Liver Oil | 165 Year Old Brand | Lemon | 500 ml**MÖLLER'S**£24.97**4.7★**— 1%**](https://www.amazon.co.uk/dp/B0CBT3S3CS)
**~~View all trending →~~**
## **What buyers say about cod liver oil liquid**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**22%
*“5* Good quality and easy to take”*
**Value For Money**18%
*“reasonable price”*
**Taste-Overall**17%
*“Tastes just like any other brand”*
**Pet Friendly**4%
*“goes a long way for dogs”*
**Flavor**4%
*“yum yum yummy i will keep buying this because it tastes so nice”*
**Ease Of Use**3%
*“Very easy to use”*
**Nutritional Content**2%
*“a perfect addition to salads”*
**Energy Level**2%
*“after a few days of use I felt an energy boost”*
**Ingredients-Overall**2%
*“Excellent product, very good lemon taste, you can't feel and smell the fish oil taste at all”*
**Freshness**1%
*“A testament to the quality, preparation, storage and freshness of it”*
### **What buyers complain about **
**Taste-Overall**19%
*“Way too fishy taste”*
**Value For Money**10%
*“Price is ridiculously high for a smaller bottle”*
**Advertised Vs Actual Product**9%
*“Misleading advert”*
**Smell**6%
*“Practically no smell: Strange”*
**Oily/Greasy**5%
*“oil”*
**Functionality-Overall**3%
*“Its not very effective”*
**Material Quality**3%
*“The issue of micro plastics is worrying”*
**Leak-Proof**3%
*“There was a crack in the top 1/4 of the bottle which leaked”*
**Flavor**3%
*“Flavour not great”*
**Dosage**3%
*“Sadly I couldnt take this as the lemon repeated on all day”*
### **Top return reasons **
**Advertised Vs Actual Product**50%
**Leak-Proof**50%
## **Common questions**
- **Is cod liver oil liquid profitable to sell on Amazon United Kingdom?**
- The niche generates £111K/yr across 9 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -22.5%. Flapen's verdict: Skip it (43/100).
- **How competitive is the cod liver oil liquid niche?**
- 8 brands and 83 sellers compete. The top 5 products take 84% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in cod liver oil liquid?**
- Top complaints mined from reviews: Taste-Overall, Value For Money, Advertised Vs Actual Product. The return rate is 0.0%.
- **When does demand for cod liver oil liquid peak?**
- Demand peaks in Oct; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the cod liver oil liquid niche?**
- Listings span £9.36–£24.97; the average listing price is £14.43 (sweet spot $15–$100). The average incumbent carries 1,051 reviews — the moat a new listing must climb.
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