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cod liver oil for dogs

Skip it

A small market ($59K/yr) — this niche doesn't clear our bar today.

Market size 15Growth 24Conversion 96Competition 26Returns 100Price range 32Avg price 39Brand share 56Review moat 44Quality gap 32

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible12.9%

search→purchase rate — share of searches ending in a sale

Brand share

Good71%

top-5 brand share — brands hold most of the demand

Review moat

Okay2,120.18

avg incumbent reviews — the moat a new listing must climb

Avg price

Okay£10.65

avg listing price — sweet spot $15–$100

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Price range

Okay£4.07–£20.23

cheapest to priciest tracked listing — scored on the share inside $15–$100

Competition

Okay69%

top-5 click share — leaders hold, buyers still browse

Growth

Bad-1.8%

90-day search growth — must beat 0% to launch

Market size

Bad£59K

£59K/yr · 43K searches

According to Flapen's Amazon United Kingdom niche tracking, cod liver oil for dogs is a £59K/yr Amazon United Kingdom market (43K searches/yr). The top 5 brands hold 71% of demand. Verdict: Skip it — 44/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

cod liver oil for dogs market data

Units sold / yr
5K–6K
avg 250–500/product
Revenue / yr
£53K–£64K
units × avg price
Conversion rate
12.9%
Avg BSR
#51
Page quality
0%
Prime
76%
Sponsored
59%
Out of stock
2.2%
Avg brand age
78 months
Avg seller age
182 days

Competition & brand share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 falling

Sellers

43

Top-5 brand share

71%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

24%

  • Simply Supplements29%
  • BUGALUGS23%
  • OURONS9%
  • Johnsons Veterinary Products7%
  • Gold Label4%
  • Super Solvitax4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -1.8% search growth over the last 90 days.
1K600Spike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Top cod liver oil for dogs search terms

  • cod liver oil for dogs33K/yr
  • dog cod liver oil capsules4K/yr
  • cod liver oil capsules for dogs3K/yr
  • dog cod liver oil3K/yr
All search terms

Top cod liver oil 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%£6K20%£12K30%£18K40%£23K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 17 tracked products in this niche — three views at once, no toggling.

What buyers say about cod liver oil for dogs

What buyers praise and complain about, mined from review topics.

What buyers love

Pet Friendly25%

“Good for pets”

Quality-Overall18%

“Excellent product”

Value For Money10%

“Good value for money”

Taste-Overall5%

“My dogs are very happy with the taste”

Brightness/Shine/Glow5%

“they have such a shine on their coats”

Soft Feel5%

“Her coat is absolutely stunning - so so so soft and shiny now”

Advertised Vs Actual Product5%

“Just what I needed”

Smell4%

“Doesnt smell to bad”

Ease Of Use4%

“Easy to use”

Moist/Dry4%

“it really helps with his dry skin”

What buyers complain about

Smell17%

“Smells disgusting as expected”

Allergies15%

“my itchy dog still itches”

Indigestion11%

“Not good my dog started vomiting 48 hrs after using this”

Leak-Proof10%

“Container leaks constantly from the top design”

Taste-Overall6%

“Too strong taste”

Advertised Vs Actual Product4%

“Extremely disappointed that the product doesn't match the description”

Stale/Rotten/Spoiled4%

“its rancid on opening”

Color3%

“when I went to use it it was brown in colour”

Functionality-Overall3%

“Pump doesnt work”

Ease Of Use2%

“this is a nightmare to use”

Top return reasons

Leak-Proof50%
Advertised Vs Actual Product50%

Common questions

Is cod liver oil for dogs profitable to sell on Amazon United Kingdom?
The niche generates £59K/yr across 17 tracked products. 90-day search growth is -1.8%. Flapen's verdict: Skip it (44/100).
How competitive is the cod liver oil for dogs niche?
15 brands and 43 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 71% of demand.
What do buyers complain about in cod liver oil for dogs?
Top complaints mined from reviews: Smell, Allergies, Indigestion. The return rate is 0.0%.
When does demand for cod liver oil for dogs peak?
Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the cod liver oil for dogs niche?
Listings span £4.07–£20.23; the average listing price is £10.65 (sweet spot $15–$100). The average incumbent carries 2,120 reviews — the moat a new listing must climb.