Is c15 0 fatty acid supplement profitable to sell on Amazon United States?

The niche generates $520K/yr across 18 tracked products. 10 of 13 products launched in the last 360 days are still selling. 90-day search growth is +53.6%. Flapen's verdict: Worth a look (65/100).

How competitive is the c15 0 fatty acid supplement niche?

16 brands and 36 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 66% of demand.

What do buyers complain about in c15 0 fatty acid supplement?

Top complaints mined from reviews: Value For Money, Dosage, Functionality-Overall. The return rate is 0.0%.

When does demand for c15 0 fatty acid supplement peak?

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

What does it cost to enter the c15 0 fatty acid supplement niche?

Listings span $8.26–$140.77; the average listing price is $42.58 (sweet spot $15–$100). The average incumbent carries 924 reviews — the moat a new listing must climb.

c15 0 fatty acid 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$42.58

avg listing price — sweet spot $15–$100

Growth

Good+53.6%

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

Conversion

Good6.5%

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

Brand share

Good66%

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

Review moat

Good923.94

avg incumbent reviews — the moat a new listing must climb

Price range

Good$8.26–$140.77

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

Market size

Good$520K

$520K/yr · 188K searches

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Competition

Okay66%

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

Signals Low Review Barrier Out of Stock

According to Flapen's Amazon United States niche tracking, c15 0 fatty acid supplement is a $520K/yr Amazon United States market (188K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Sep. Verdict: Worth a look — 65/100.

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

c15 0 fatty acid supplement market data

Units sold / yr: 8K–10K; avg 500–750/product
Revenue / yr: $341K–$426K; units × avg price
Conversion rate: 6.5%
Avg BSR: #484
Page quality: 0%
Prime: 100%
Sponsored: 94%
Out of stock: 10.7%
Avg brand age: 77 months
Avg seller age: 157 days

Competition & brand share

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 rising

Sellers

Top-5 brand share

66%

Top 20: 100%

Top-5 click share

66%

Top 20: 100%

Open market

27%

Stay-Well Naturals20%
Fatty1515%
Samareniq15%
DNOUHN9%
Nokvba7%
Pure Encapsulations7%

Demand & seasonality

Weekly Amazon search volume, last 98 weeks — +53.6% search growth over the last 90 days.

Peak months: Sep · busiest ÷ quietest = 2.5×

Open Trend

Top c15 0 fatty acid supplement search terms

pentadecanoic acid50K/yr +67.7%6.3% conv.
c15 fatty acid supplement44K/yr +41.7%4.4% conv.
pentadecanoic acid supplement23K/yr +45.0%6.8% conv.
c15 0 fatty acid supplement13K/yr +62.1%4.2% conv.
c15 supplement14K/yr +22.7%2.4% conv.
c15:08K/yr +136.8%3.0% conv.
c 15 fatty acid supplement7K/yr +67.3%4.6% conv.
pentadecanoic acid supplement c157K/yr +37.4%5.7% conv.
c15 0 supplement3K/yr +100.8%3.7% conv.
c-15 fatty acid supplement3K/yr +87.1%6.3% conv.

All search terms

Top c15 0 fatty acid 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 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

C15:0 Pentadecanoic Acid Supplement | Longevity Cellular & Membrane Support Micro-Granule Enhanced Absorption Phosphatidylcholine L-Carnitine Ubiquinol CoQ10 & Tocotrienols 120ct

Stay-Well Naturals$47.144.5★77 rev

Fatty15 C15:0 Pentadecanoic Acid Healthy Aging Supplement - 3 Month Supply

Fatty15$140.774.3★796 rev

Samareniq Pentadecanoic Acid Supplement | 300mg C15:0 Formula | High-Altitude Grass-Fed Sheep Milk Source | Blister-Sealed Capsules (1 Pack)

Samareniq$24.464.7★135 rev

DNOUHN Pentadecanoic Acid Pentadecanoic Acid Formula Supplement Sourced from High-Altitude Sheep Milk 60 Capsules

DNOUHN$31.174.1★151 rev

Pure Encapsulations Pantothenic Acid | Hypoallergenic Supplement Supports Cellular Energy Production Adrenal and Cardiovascular Health* | 120 Capsules

Pure Encapsulations$25.284.6★633 rev

Newest

by launch date

Codeage Liposomal C15:0 Pentadecanoic Acid CoQ10 Astaxanthin 30 ct

Codeage$39.9816 rev

1mo ago

Engtozl Pentadecanoic Acid C15:0 Supplement Sourced from High-Altitude Goat Milk - 60 Capsules

Engtozl$32.9532 rev

1mo ago

Lithorvexalyn Pentadecanoic Acid C15:0 Supplement High Altitude Sheep Milk Sourced 120 Tablets

Lithorvexalyn$36.4455 rev

3mo ago

DTORUNI Pentadecanoic Acid Liposome Supplement C15:0 Supplement Cellular Membrane Support with L-Carnitine & Ubiquinol CoQ10-90 Capsules

DTORUNI$38.5054 rev

3mo ago

C15:0 Pentadecanoic Acid Supplement | Longevity Cellular & Membrane Support Micro-Granule Enhanced Absorption Phosphatidylcholine L-Carnitine Ubiquinol CoQ10 & Tocotrienols 120ct

Stay-Well Naturals$47.1477 rev

4mo ago

What buyers say about c15 0 fatty acid supplement

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

What buyers love

Quality-Overall15%

“Excellent quality and easy to take”

Value For Money10%

“Good value”

Energy Level8%

“my energy level has improved dramatically”

Vitamin6%

“Great way to simplify your vitamin routine”

Nutritional Content6%

“Great supplement”

Ease Of Use5%

“Easy to take”

Ingredients-Overall5%

“Love the ingredients”

Side Effects5%

“no side effects”

Ease Of Chewing/Swallowing5%

“easy to chew”

Focus Enhancement3%

“the focus is clear”

What buyers complain about

Value For Money16%

“Waste of money”

Dosage7%

“Small amount of powder”

Functionality-Overall6%

“No results”

Advertised Vs Actual Product5%

“Clearly not marked made in USA as indicated in the product description and pictures”

Certifications4%

“the box does not show any logos or proof of third party testing”

Side Effects4%

“I started having some side effects”

Allergies3%

“Can be allergic to it”

Ingredients-Overall3%

“Suspicious ingredients, not clean as claimed”

Vegan/Organic2%

“Definitely not as pure as advertised”

Quality-Overall2%

“Yes, its not cheap,”

Top return reasons

Quality-Overall33%

Ingredients-Overall33%

Oily/Greasy33%

Common questions

Is c15 0 fatty acid supplement profitable to sell on Amazon United States?: The niche generates $520K/yr across 18 tracked products. 10 of 13 products launched in the last 360 days are still selling. 90-day search growth is +53.6%. Flapen's verdict: Worth a look (65/100).
How competitive is the c15 0 fatty acid supplement niche?: 16 brands and 36 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 66% of demand.
What do buyers complain about in c15 0 fatty acid supplement?: Top complaints mined from reviews: Value For Money, Dosage, Functionality-Overall. The return rate is 0.0%.
When does demand for c15 0 fatty acid supplement peak?: Demand peaks in Sep; the busiest month runs 2.5× the quietest.
What does it cost to enter the c15 0 fatty acid supplement niche?: Listings span $8.26–$140.77; the average listing price is $42.58 (sweet spot $15–$100). The average incumbent carries 924 reviews — the moat a new listing must climb.