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Cod Liver Oil

Maybe

An estimated 0.0% of orders come back. But demand is soft, at -15.0% this quarter, so Cod Liver Oil is a Maybe.

Flapen Score
50
50 / 100
Top 41% of 2,035 Health & Personal Care niches · +2 vs the category median of 48
Market size
£1.6M/yr984K searches / yr
90-day growth
-15.0%search demand this quarter
Competition
70%top-5 click share · 12 brands · 68 sellers

Flapen Score

Cod Liver Oil against its category

The dotted line is the Health & Personal Care average. Past it, Cod Liver Oil is stronger. Inside it, weaker.

50Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Cod Liver Oil market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Cod Liver Oil 984K times last year and spent an estimated £1.6M. The top 5 brands take 78% of clicks. Flapen scores it 50 out of 100, a Maybe.

01 · Demand

An estimated 17.6% of those searches ended in a purchase.

Shoppers searched for this 984K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 17.6% of those searches ended in a purchase. Searches in the last 90 days moved -15.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated £1.6M a year.

Searches, last 12 months
984K
Growth, 90 days vs prior 90
-15.0%
Conversion, latest week
17.6%
Market size, estimated
£1.6Ma year
Peak month
January1.4× the quietest month
Top search term
cod liver oil capsules high strength365K searches a year

02 · Price

A sale here is worth £9.22.

Listings sell for £9.22 on average, from £4.61 to £18.81. Amazon reports units sold in ranges. This niche sold 150K to 200K a year. The average listing sells 8,000 to 10,000 of them. At £9.22 that is £74K to £92K a year per listing.

Average price
£9.22under the $15 to $100 sweet spot
Price range
£4.61–£18.81
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
150K–200K
Units per listing a year
8,000–10,000
Revenue per listing a year
£74K–£92K
Returns
0.0%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is reviews.

87% of listings pay for placement with sponsored ads. 93% ship with Prime. On an average day, 5.9% of listings are out of stock. The average listing ranks #96 within Diet & Nutrition. It carries 4,478 reviews at 4.68 stars, so a new listing needs social proof before a better product.

Sponsored listings
87%
Prime listings
93%
Out of stock, average day
5.9%
Average rank
#96in Diet & Nutrition
Average rating
4.68 starsAmazon United Kingdom average 4.36 stars
Average reviews
4,478per listing
Listings tracked
15

04 · Newcomers

2 of last year's 2 launches cleared the first-year sales bar.

2 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 81 months on average, so the names here are established.

Launched, last 12 months
2
Successful launches
2Amazon's first-year sales bar
Average brand age
81 months

Products

Top Cod Liver Oil products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 24, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 70% of clicks. Leaders hold, but buyers still shop past them.

£0£160K£320K£481K£641K1001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

12 falling

Sellers

68

Est. top-5 brand share

78%

Top 20: 100%

Est. top-5 click share

70%

Top 20: 100%

Open market

17%

  • Natures Aid42%
  • Sevenseas12%
  • Zipvit10%
  • NutriVolv9%
  • SEVEN SEAS5%
  • NEW LEAF PRODUCTS5%
  • Open — no brand owns it (6 brands, 17%)

Demand

Cod Liver Oil search demand

Weekly searches over the year, seasonality beneath. Pick a range.

23K18KSpike '24Spike '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Search terms

Top Cod Liver Oil search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • cod liver oil capsules high strength365K/yr
  • cod liver oil309K/yr
  • cod liver oil capsules162K/yr
  • seven seas cod liver oil42K/yr
  • cod liver oil tablets21K/yr
  • codliver oil capsules 1000mg12K/yr
  • cod liver oil gelatine free8K/yr
  • cod liver oil capsules 1000mg14K/yr
  • seven seas cod liver oil capsules9K/yr
  • gelatine free cod liver oil5K/yr

Reviews and returns

What reviews say buyers love and hate about Cod Liver Oil

We read the reviews and the return reasons for every product selling here.

26%of positive reviews mention “Value For Money”
14%of negative reviews mention “Taste-Overall”
<0.1%of orders come back, a rate Amazon rounds to zero
“The aftertaste is awful”
A buyer, on “Taste-Overall”14% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

14 topics

NegativePositive

FAQ

Common Cod Liver Oil questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data