Is kirkland fish oil 1000mg 400 softgels profitable to sell on Amazon United States?

The niche generates $179K/yr across 18 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +2.8%. Flapen's verdict: Skip it (43/100).

How competitive is the kirkland fish oil 1000mg 400 softgels niche?

6 brands and 163 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 99% of demand.

What do buyers complain about in kirkland fish oil 1000mg 400 softgels?

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

When does demand for kirkland fish oil 1000mg 400 softgels peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the kirkland fish oil 1000mg 400 softgels niche?

Listings span $12.70–$57.25; the average listing price is $31.93 (sweet spot $15–$100). The average incumbent carries 14,059 reviews — the moat a new listing must climb.

Kirkland Fish Oil 1000mg 400 Softgels

Skip it

Brand-locked demand (top 5 brands take 99% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$31.93

avg listing price — sweet spot $15–$100

Price range

Great$12.70–$57.25

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

Conversion

Good5.6%

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

Market size

Okay$179K

$179K/yr · 100K searches

Growth

Okay+2.8%

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

Competition

Okay67%

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

Review moat

Bad14,058.83

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Brand share

Bad99%

top-5 brand share — brand-locked demand

Is kirkland fish oil 1000mg 400 softgels profitable on Amazon?

According to Flapen's Amazon United States niche tracking, kirkland fish oil 1000mg 400 softgels is a $179K/yr Amazon United States market (100K searches/yr). The top 5 brands hold 99% of demand. Verdict: Skip it — 43/100.

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

kirkland fish oil 1000mg 400 softgels market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 6K–8K; avg 250–500/product
Revenue / yr: $192K–$255K; units × avg price
Conversion rate: 5.6%
Avg BSR: #507
Page quality: 0%
Prime: 61%
Sponsored: 44%
Out of stock: 1.7%
Avg brand age: 94 months
Avg seller age: 151 days

Competition: brands, sellers & click share

The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.

Brands

6 rising

Sellers

163

Top-5 brand share

99%

Top 20: 100%

Top-5 click share

67%

Top 20: 100%

Open market

KIRKLAND84%
Nature Made6%
Nature's Bounty4%
NOW Foods3%
MAV NUTRITION2%
Sports Research1%
Open — no brand owns it (0%)

kirkland fish oil 1000mg 400 softgels demand & seasonality

Weekly Amazon search volume, last 97 weeks — +2.8% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top kirkland fish oil 1000mg 400 softgels search terms shoppers use

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

kirkland fish oil44K/yr -6.6%5.7% conv.
fish oil kirkland13K/yr +10.2%4.6% conv.
kirkland fish oil 1000mg 400 softgels11K/yr +23.7%8.0% conv.
kirkland omega 38K/yr +16.6%2.0% conv.
omega 3 kirkland8K/yr +4.3%2.3% conv.
kirkland omega 3 fish oil6K/yr -4.1%3.9% conv.
kirkland fish oil 1000mg3K/yr +0.6%9.1% conv.
kirkland signature fish oil3K/yr +14.4%4.9% conv.
fish oil kirkland 1000mg3K/yr -2.2%8.2% conv.
kirkland fish oil 1400 mg2K/yr +12.2%4.2% conv.

All search terms

Top kirkland fish oil 1000mg 400 softgels products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

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

Top sellers

by 90-day click share

Kirkland Signature Fish Oil Concentrate with Omega-3 Fatty Acids 400 Softgels 1000mg

KIRKLAND$33.004.8★1,606 rev

Omega-3 Fish Oil Concentrate 1 000 Mg. 400 Softgels

KIRKLAND$24.354.9★108 rev

Kirkland Signature Fish Oil 1000 mg 400 Softgels (2 Pack)

KIRKLAND$41.514.8★436 rev

Kirkland Signature hgar Fish Oil Concentrate 2 Pack 400 Count (Pack of 2)

KIRKLAND$42.444.7★916 rev

Kirkland Omega-3 Fish Oil 1000mg 300 Softgels

KIRKLAND$54.334.6★701 rev

Newest

by launch date

Nature Made Fish Oil Omega 3 Supplements 2000mg Per Serving Softgels Omega 3 Fish Oil for Heart Health Support 250 Softgels

Nature Made$25.46555 rev

10mo ago

Kirkland Signature Wild Alaskan Fish Oil 1400 mg 230 Softgels

KIRKLAND$30.01737 rev

7y ago

Kirkland Signature hgar Fish Oil Concentrate 2 Pack 400 Count (Pack of 2)

KIRKLAND$42.44916 rev

7y ago

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$26.9761,137 rev

8y ago

Kirkland Signature Fish Oil 1000 mg 400 Softgels (2 Pack)

KIRKLAND$41.51436 rev

8y ago

What reviews say buyers love and hate about kirkland fish oil 1000mg 400 softgels

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

What buyers love

Quality-Overall28%

“EXCELLENT PRODUCT”

Value For Money13%

“Best value”

Advertised Vs Actual Product6%

“matches the description”

Vitamin6%

“Great brand of vitamin”

Ease Of Chewing/Swallowing6%

“Easy to Swallow”

Taste-Overall5%

“no horrible taste or smell”

Heart Health3%

“as it effectively helps lower cholesterol”

Nutritional Content3%

“a good addition for my nutrition”

Dosage3%

“The dosage is strong”

Joint Pain2%

“Great for inflammation and joint pain”

What buyers complain about

Size-Overall14%

“Not a good fit for me”

Taste-Overall14%

“tasteless”

Smell7%

“Fishy smell”

Dosage6%

“Dosage is very high”

Ease Of Chewing/Swallowing5%

“wasnt as pleasant to swallow”

Quality-Overall4%

“Good quality just a little pricey”

Value For Money3%

“which in turn makes them more expensive than other brands”

Side Effects2%

“Caused stomach upset heartburn for everyone in our household while taking”

Advertised Vs Actual Product2%

“Deceptive advertising”

Stale/Rotten/Spoiled2%

“Arrived rancid”

Top return reasons

Value For Money23%

Size-Overall17%

Smell10%

Oily/Greasy10%

Ease Of Chewing/Swallowing8%

Functionality-Overall7%

Ingredients-Overall7%

Advertised Vs Actual Product5%

Age Suitability2%