Is omega 3 profitable to sell on Amazon United Kingdom?

The niche generates £3.7M/yr across 14 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -12.0%. Flapen's verdict: Worth a look (53/100).

How competitive is the omega 3 niche?

11 brands and 35 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 77% of demand.

What do buyers complain about in omega 3?

Top complaints mined from reviews: Taste-Overall, Dosage, Size-Overall. The return rate is 0.0%.

When does demand for omega 3 peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the omega 3 niche?

Listings span £4.68–£20.64; the average listing price is £10.59 (sweet spot $15–$100). The average incumbent carries 9,789 reviews — the moat a new listing must climb.

omega 3

Worth a look

Shows low returns (0.0%), but soft demand (-12.0% this quarter) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Market size

Incredible£3.7M

£3.7M/yr · 2.7M searches

Conversion

Incredible13.0%

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

Brand share

Okay77%

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

Avg price

Okay£10.59

avg listing price — sweet spot $15–$100

Price range

Okay£4.68–£20.64

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

Competition

Okay69%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad9,788.79

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-12.0%

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

According to Flapen's Amazon United Kingdom niche tracking, omega 3 is a £3.7M/yr Amazon United Kingdom market (2.7M searches/yr). The top 5 brands hold 77% of demand. Verdict: Worth a look — 53/100.

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

omega 3 market data

Units sold / yr: 300K–400K; avg 15,000–20,000/product
Revenue / yr: £3.2M–£4.2M; units × avg price
Conversion rate: 13.0%
Avg BSR: #15
Page quality: 0%
Prime: 100%
Sponsored: 93%
Out of stock: 0.0%
Avg brand age: 68 months
Avg seller age: 162 days

Competition & brand share

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

Brands

11 falling

Sellers

Top-5 brand share

77%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

18%

Zipvit36%
WeightWorld13%
SS Sport Supplies10%
Nutravita10%
Horbäach8%
Vitabiotics Ultra5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -12.0% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top omega 3 search terms

omega 31.2M/yr -12.6%9.6% conv.
omega 3 capsules high strength509K/yr -7.7%12.2% conv.
omega 3 fish oil265K/yr -10.3%9.1% conv.
fish oil244K/yr -12.2%9.3% conv.
fish oil omega 3113K/yr -12.4%10.2% conv.
omega 3 capsules65K/yr -16.6%7.8% conv.
omega69K/yr -22.4%4.8% conv.
high strength omega 323K/yr +2.6%8.2% conv.
omega323K/yr -14.0%6.0% conv.
fish oil capsules29K/yr -39.5%7.3% conv.

All search terms

Top omega 3 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Zipvit Omega 3 Fish Oil 2000mg EPA 660mg DHA 440mg Wild-Caught Cold Water Fish Supports Heart Brain & Vision 120 Softgels 2 Months Supply

Zipvit£8.144.6★20,714 rev

Omega 3 Fish Oil Capsules High Strength - 2 000mg Daily Serving - 33:22 EPA/DHA - 120 Softgel Capsules - SS Sport Supplies

SS Sport Supplies£7.344.6★582 rev

Omega 3 Fish Oil 2000mg - 660mg EPA & 440mg DHA - 240 Softgels

WeightWorld£15.244.6★22,127 rev

Nutravita Omega 3 Capsules High Strength 2000mg with 660mg EPA & 440mg DHA - 240 Softgel Omega 3 Fish Oil Capsules for 4 Months of Supply - Heart Brain & Vision - Fish Oil Supplements

Nutravita£15.684.7★29,699 rev

Triple Omega 3 6 9 Capsules 3000mg ALA LA & OA | 120 Softgels | High Strength EPA & DHA Essential Fatty Acids | Supplement with Fish Oil Flaxseed & Sunflower Oil | by Horbaach

Horbäach£8.084.6★2,207 rev

Newest

by launch date

Omega 3 Softgels 660mg EPA & 440mg DHA High Strength 2000mg - 180 Softgel Omega 3 Fish Oil Capsules for 3 Months of Supply Fish Oil Omega 3 Supplements

NEW LEAF PRODUCTS£9.7689 rev

7mo ago

Omega 3 Capsules High Strength Fish Oil 1334mg Easy to Swallow No Fishy Taste for Heart & Brain 668mg EPA 500mg DHA 80% Concentrate Triglyceride Form 120 Caps 2 Month Supply 4 HIM & HER

4£11.30926 rev

1y ago

Omega 3 Fish Oil Capsules High Strength - 2 000mg Daily Serving - 33:22 EPA/DHA - 120 Softgel Capsules - SS Sport Supplies

SS Sport Supplies£7.34582 rev

1y ago

Zipvit Omega 3 Fish Oil 2000mg EPA 660mg DHA 440mg Wild-Caught Cold Water Fish Supports Heart Brain & Vision 120 Softgels 2 Months Supply Eco-Friendly Pouch

Zipvit£8.0920,714 rev

3y ago

MAV NUTRITION£20.6429,577 rev

4y ago

What buyers say about omega 3

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

What buyers love

Quality-Overall26%

“Definitely a solid quality product”

Value For Money18%

“Good value for money”

Ease Of Chewing/Swallowing8%

“The softgels are easy to take”

Advertised Vs Actual Product7%

“Just as advertised”

Vitamin6%

“Lovely vitamins”

Taste-Overall4%

“Great taste for the price”

Ease Of Use3%

“Ease of use”

Joint Pain3%

“Great for joints”

Dosage2%

“A very good supplement with the actual recommended dosages for the health benefits being sought”

Efficiency2%

“Does the job”

What buyers complain about

Taste-Overall13%

“The aftertaste is awful”

Dosage10%

“Its less than 2000mg”

Size-Overall7%

“They are huge”

Smell7%

“They had an intense fish smell I thought that was normal”

Advertised Vs Actual Product5%

“Description deceiving”

Value For Money5%

“Not worth it”

Ease Of Chewing/Swallowing4%

“Hard to swallow”

Ingredients-Overall3%

“DO NOT BUY if you want normal-strength fish oil capsules; in fact, this scam has put me right off WeightWorld products”

Quality-Overall2%

“Bad quality tablets”

Allergies2%

“Ive had dry itching eyes for a while now”

Common questions

Is omega 3 profitable to sell on Amazon United Kingdom?: The niche generates £3.7M/yr across 14 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -12.0%. Flapen's verdict: Worth a look (53/100).
How competitive is the omega 3 niche?: 11 brands and 35 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 77% of demand.
What do buyers complain about in omega 3?: Top complaints mined from reviews: Taste-Overall, Dosage, Size-Overall. The return rate is 0.0%.
When does demand for omega 3 peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the omega 3 niche?: Listings span £4.68–£20.64; the average listing price is £10.59 (sweet spot $15–$100). The average incumbent carries 9,789 reviews — the moat a new listing must climb.