Is epa dha omega 3 supplement profitable to sell on Amazon United States?

The niche generates $440K/yr across 37 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -10.3%. Flapen's verdict: Worth a look (59/100).

How competitive is the epa dha omega 3 supplement niche?

22 brands and 576 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 62% of demand.

What do buyers complain about in epa dha omega 3 supplement?

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

When does demand for epa dha omega 3 supplement peak?

Demand peaks in Feb–Aug–Sep; the busiest month runs 2.5× the quietest.

What does it cost to enter the epa dha omega 3 supplement niche?

Listings span $8.51–$92.24; the average listing price is $31.88 (sweet spot $15–$100). The average incumbent carries 9,764 reviews — the moat a new listing must climb.

epa dha omega 3 supplement

Worth a look

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$31.88

avg listing price — sweet spot $15–$100

Price range

Great$8.51–$92.24

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

Competition

Great40%

top-5 click share — an open shelf

Brand share

Good62%

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

Conversion

Good6.3%

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

Market size

Good$440K

$440K/yr · 218K searches

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad9,763.84

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-10.3%

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

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, epa dha omega 3 supplement is a $440K/yr Amazon United States market (218K searches/yr). The top 5 brands hold 62% of demand. Demand peaks in Feb–Aug–Sep. Verdict: Worth a look — 59/100.

Data updated Jul 26, 2026 · scored weekly · How we score niches

epa dha omega 3 supplement market data

Units sold / yr: 13K–15K; avg 250–500/product
Revenue / yr: $399K–$478K; units × avg price
Conversion rate: 6.3%
Avg BSR: #251
Page quality: 0%
Prime: 100%
Sponsored: 84%
Out of stock: 0.0%
Avg brand age: 87 months
Avg seller age: 155 days

Competition & brand share

Clicks spread well past the top 5 (40% combined) — an open shelf where new products get seen.

Brands

22 rising

Sellers

576

Top-5 brand share

62%

Top 20: 99%

Top-5 click share

40%

Top 20: 85%

Open market

38%

MAV NUTRITION17%
Nordic Naturals16%
Pure Encapsulations8%
Sports Research7%
Nutricost7%
THORNE7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -10.3% search growth over the last 90 days.

Peak months: Feb, Aug, Sep · busiest ÷ quietest = 2.5×

Open Trend

Top epa dha omega 3 supplement search terms

epa dha omega 3 supplement85K/yr -27.8%6.9% conv.
epa54K/yr +2.1%3.8% conv.
epa fish oil24K/yr +17.7%4.7% conv.
high epa fish oil13K/yr +0.7%4.7% conv.
epa supplement10K/yr +2.8%4.2% conv.
epa omega 3 supplement9K/yr +18.0%3.1% conv.
epa/dha8K/yr -13.1%10.7% conv.
fish oil epa8K/yr -8.3%6.6% conv.
epa omega 35K/yr -20.5%4.7% conv.

All search terms

Top epa dha omega 3 supplement 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

MAV NUTRITION$34.124.6★30,234 rev

Nutricost Omega 3 Fish Oil (2500MG) 120 Softgels 40 Servings

Nutricost$20.314.7★3,565 rev

Nordic Naturals EPA Xtra Lemon - 90 Soft Gels - 1640 mg Omega-3 - High-Intensity EPA Formula for Positive Mood Heart Health & Healthy Immunity - Non-GMO - 45 Servings

Nordic Naturals$52.094.6★1,481 rev

Sports Research Omega-3 Fish Oil 1250 - Triple Strength Fish Oil Supplement from Wild Alaska Pollock - MSC Certified Sustainable Non-GMO Soy Free - 90 Softgel Capsules

Sports Research$26.974.7★61,137 rev

THORNE - Super EPA - Omega-3 Fish Oil Supplement with EPA & DHA from Sustainably Sourced Fish - Supports Brain Skin Joint & Heart Health* - Third-Party Certified - Gluten & Dairy-Free - 90 Softgels

THORNE$40.304.6★3,161 rev

Newest

by launch date

MAV NUTRITION$14.91139 rev

11mo ago

Omega 3 Fish Oil with Vitamin D3 K2 300 Lemon Flavored Burpless Softgels | High EPA & DHA rTG Formula with CoQ10 & Astaxanthin | Gluten-Free Non-GMO

Arofum$20.60975 rev

1y ago

Omega 3 Fish Oil with Maximum EPA DHA - Supports Brain Liver Heart & Immunity - Made in The USA - 150 Softgels

MOM NUTRIX$29.831,185 rev

1y ago

NatureWise Extra-Strength Omega 3 Fish Oil Supplement - 1000mg per Serving - 600 EPA & 400 DHA and Vitamin E - Sustainably Sourced Fish Oil - Lemon Flavor - 60 Softgels[1-Month Supply]

NatureWise$8.519,828 rev

3y ago

Nutricost Omega 3 Fish Oil (2500MG) 120 Softgels 40 Servings

Nutricost$20.313,565 rev

5y ago

What buyers say about epa dha omega 3 supplement

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

What buyers love

Quality-Overall25%

“Awesome quality”

Value For Money8%

“Very affordable”

Ease Of Chewing/Swallowing7%

“Not hard to swallow”

Taste-Overall7%

“Great Taste”

Vitamin7%

“Great quality vitamin”

Advertised Vs Actual Product4%

“Exactly as described”

Nutritional Content3%

“Good nutrition”

Heart Health2%

“heart health benefits”

Dosage2%

“The dosage is great”

Smell2%

“No bad smell”

What buyers complain about

Taste-Overall13%

“Strong fishy taste”

Size-Overall11%

“Capsule too large”

Smell8%

“Fishy smell”

Dosage6%

“Dosage not accurate”

Value For Money4%

“Too expensive”

Side Effects3%

“Made me nauseas and have headaches”

Ease Of Chewing/Swallowing3%

“Hurts to swallow”

Quality-Overall3%

“Poor quality control - poor customer support”

Advertised Vs Actual Product3%

“Not as advertised”

Acid Regulator/Stomach Ache Relief2%

“Upsets my stomach”

Top return reasons

Value For Money23%

Size-Overall12%

Ingredients-Overall10%

Smell9%

Advertised Vs Actual Product6%

Ease Of Chewing/Swallowing6%

Vitamin5%

Oily/Greasy4%

Functionality-Overall4%

Stale/Rotten/Spoiled3%

Common questions

Is epa dha omega 3 supplement profitable to sell on Amazon United States?: The niche generates $440K/yr across 37 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -10.3%. Flapen's verdict: Worth a look (59/100).
How competitive is the epa dha omega 3 supplement niche?: 22 brands and 576 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 62% of demand.
What do buyers complain about in epa dha omega 3 supplement?: Top complaints mined from reviews: Taste-Overall, Size-Overall, Smell. The return rate is 0.0%.
When does demand for epa dha omega 3 supplement peak?: Demand peaks in Feb–Aug–Sep; the busiest month runs 2.5× the quietest.
What does it cost to enter the epa dha omega 3 supplement niche?: Listings span $8.51–$92.24; the average listing price is $31.88 (sweet spot $15–$100). The average incumbent carries 9,764 reviews — the moat a new listing must climb.