Is fish oil pills for dogs profitable to sell on Amazon United States?

The niche generates $271K/yr across 30 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +3.5%. Flapen's verdict: Worth a look (63/100).

How competitive is the fish oil pills for dogs niche?

18 brands and 43 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 72% of demand.

What do buyers complain about in fish oil pills for dogs?

Top complaints mined from reviews: Allergies, Smell, Indigestion. The return rate is 0.0%.

What does it cost to enter the fish oil pills for dogs niche?

Listings span $9.70–$35.44; the average listing price is $22.42 (sweet spot $15–$100). The average incumbent carries 6,610 reviews — the moat a new listing must climb.

fish oil pills for dogs

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 6% kills the launch gate

Conversion

Incredible13.1%

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

Avg price

Great$22.42

avg listing price — sweet spot $15–$100

Price range

Great$9.70–$35.44

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

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Good47%

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

Brand share

Good72%

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

Market size

Okay$271K

$271K/yr · 92K searches

Growth

Okay+3.5%

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

Review moat

Bad6,609.77

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, fish oil pills for dogs is a $271K/yr Amazon United States market (92K searches/yr). The top 5 brands hold 72% of demand. Verdict: Worth a look — 63/100.

Data updated Jul 17, 2026 · scored weekly · How we score niches

fish oil pills for dogs market data

Units sold / yr: 10K–13K; avg 250–500/product
Revenue / yr: $224K–$280K; units × avg price
Launch success: —; 3 of 3 new (360d)
Conversion rate: 13.1%
Avg BSR: #67
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.9%
Avg brand age: 62 months
Avg seller age: 166 days

Competition & brand share

The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 rising

Sellers

Top-5 brand share

72%

Top 20: 100%

Top-5 click share

47%

Top 20: 86%

Open market

23%

BARK&SPARK47%
Zesty Paws7%
Nutramax Laboratories7%
Nutri-Vet6%
Petsology5%
TTLXBL4%

Demand

Weekly Amazon search volume, last 28 weeks — +3.5% search growth over the last 90 days.

Open Trend

Top fish oil pills for dogs search terms

bark and spark16K/yr +17.6%8.7% conv.
fish oil pills for dogs8K/yr +9.1%7.6% conv.
fish oil for dogs capsules7K/yr -3.2%6.8% conv.
fish oil chews for dogs8K/yr -29.4%7.5% conv.
omega 3 for dogs chews6K/yr -9.3%9.5% conv.
dog hair loss treatment8K/yr +8.8%1.0% conv.
bark and spark omega skin and coat6K/yr +10.3%16.2% conv.
salmon oil chews for dogs5K/yr +23.9%5.9% conv.
omega 3 chews for dogs7K/yr +4.5%6.1% conv.
dog fish oil chews3K/yr +57.8%6.7% conv.

All search terms

Top fish oil pills 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.

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

All 30 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

BARK&SPARK Omega 3 for Dogs - 180 Fish Oil Treats for Dog Shedding Skin Allergy Chews Itch Relief Hot Spots Treatment - Joint Health - Skin and Coat Supplement - EPA & DHA Fatty Acids - Salmon Oil

BARK&SPARK$22.984.3★12,733 rev

BARK&SPARK Omega 3 for Dogs and Cats-180 Fish Oil Treats for Dogs & Cats Shedding Skin Allergy Itch Relief Hot Spots Treatment-Joint Health-Skin and Coat Supplement-EPA & DHA Fatty Acids-Salmon Oil

BARK&SPARK$22.984.4★5,304 rev

Nutri-Vet Fish Oil Supplement for Dogs Omega 3 Fish Oil for Dogs Pet Supplies Pet Vitamins and Supplements EPA DHA Formula Puppy Vitamins Shed Control New Puppy Essentials 100 Count

Nutri-Vet$18.064.5★3,803 rev

Omega 3 for Dogs - 250 Fish Oil Chews for Dog Shedding Allergy & Itch Relief Hot Spot Treatment - Advanced Skin & Coat Supplement - Joint Health - EPA & DHA Fatty Acids - Salmon Oil & Probiotics

Petsology$19.554.4★162 rev

BARK&SPARK Dog Allergy Relief Soft Chews for Skin Health & Seasonal Allergies - Anti-Itch Supplement w/Omega-3 Quercetin & Bromelain Immune Treats for Dry Skin & Hot Spots - Chicken - 120ct

BARK&SPARK$21.084.1★8,736 rev

Newest

by launch date

Natural Dog Company Wild Alaskan Salmon Chews for Dogs Fish Oil Supplement with EPA & DHA for Itchy Skin Coat Brain Joints & Immune Health Daily Omega-3 Chews 90 Count

Natural Dog Company$31.5613,743 rev

5mo ago

Omega 3 for Dogs - 250 Fish Oil Chews for Dog Shedding Allergy & Itch Relief Hot Spot Treatment - Advanced Skin & Coat Supplement - Joint Health - EPA & DHA Fatty Acids - Salmon Oil & Probiotics

Petsology$19.55162 rev

6mo ago

Omega 3 for Dogs Salmon Oil for Dogs Skin & Coat Health Fish Oil Supplement for Dog Shedding Itch & Hot Spot Relief Allergy Chews with EPA & DHA Fatty Acids for Skin & Joint Support - 180 Ct

BuddyCheer$20.99439 rev

10mo ago

Omega 3 Skin and Coat Supplement for Dogs 200 Chews Dog Fish Oil Supplements with EPA & DHA Fatty Acids Dry Skin Relief for Dogs Shedding Allergy Itching Promotes Heart Hip Joint Health

TTLXBL$17.28539 rev

1y ago

Fish Oil for Dogs Allergy and Itch Relief Chews - Omega 3 for Dog Skin and Coat Care - Salmon Oil for Dogs Anti Shedding Supplement Hot Spot Treatment EPA & DHA 200 Ct

TTLXRL$14.2444 rev

1y ago

What buyers say about fish oil pills for dogs

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

What buyers love

Pet Friendly22%

“Cats love it”

Quality-Overall12%

“I fully recommend this based on the quality of his coat”

Taste-Overall11%

“Happy that my dogs likes the taste”

Allergies11%

“Helps with allergies”

Soft Feel5%

“Their hair is shiny and softer and they love them”

Value For Money5%

“Bang for your buck”

Ease Of Chewing/Swallowing4%

“Good chews”

Brightness/Shine/Glow3%

“Shiny Coats”

Flavor3%

“Great flavor”

Ease Of Use3%

“Easy to use”

What buyers complain about

Allergies22%

“Allergy”

Smell14%

“Bad smell”

Indigestion8%

“Causes vomiting”

Leak-Proof7%

“leaked all over everything”

Functionality-Overall6%

“Didn't work for our dog”

Taste-Overall6%

“Did not like the taste”

Value For Money5%

“too expensive for me”

Quality-Overall2%

“Poor product”

Size-Overall2%

“They're pretty large”

Ease Of Chewing/Swallowing2%

“These are not chewable”

Top return reasons

Indigestion13%

Leak-Proof12%

Functionality-Overall10%

Advertised Vs Actual Product10%

Product Condition10%

Taste-Overall7%

Smell7%

Value For Money7%

Size-Overall7%