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cardo mariano

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A deep review moat (5,193 avg reviews) — this niche doesn't clear our bar today.

Market size 28Growth 52Conversion 51Competition 33Returns 100Price range 90Avg price 95Brand share 41Review moat 24Quality gap 25

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$24.07

avg listing price — sweet spot $15–$100

Price range

Great$8.99–$97.27

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

Growth

Good+23.6%

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

Conversion

Good4.1%

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

Brand share

Okay80%

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

Competition

Okay65%

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

Market size

Okay$118K

$118K/yr · 119K searches

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad5,192.88

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, cardo mariano is a $118K/yr Amazon United States market (119K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Jul. Verdict: Skip it — 49/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

cardo mariano market data

Units sold / yr
4K–5K
avg 250–500/product
Revenue / yr
$96K–$120K
units × avg price
Conversion rate
4.1%
Avg BSR
#492
Page quality
0%
Prime
100%
Sponsored
96%
Out of stock
1.6%
Avg brand age
65 months
Avg seller age
159 days

Competition & brand share

The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.

Brands

19 rising

Sellers

532

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

65%

Top 20: 97%

Open market

17%

  • B-Experts33%
  • Zazzee22%
  • Bronson10%
  • OxyEnergy10%
  • Herbmood5%
  • Nutricost3%
  • Open — no brand owns it (13 brands, 17%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +23.6% search growth over the last 90 days.
5K4KSpike '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jul · busiest ÷ quietest = 1.9×

Top cardo mariano search terms

  • cardo mariano para el hgado graso118K/yr
  • cardo mariano para el higado graso447/yr
  • cardio marino para el hgado370/yr
  • cardo mariano para el hgado815/yr
All search terms

Top cardo mariano 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.

0%5%$6K10%$12K15%$18K20%$24K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about cardo mariano

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

What buyers love

Quality-Overall19%

“Good quality and easy to take”

Regulates Digestion6%

“Easy to digest”

Value For Money6%

“Very affordable”

Ease Of Chewing/Swallowing5%

“Easy to swallow”

Heart Health5%

“Helping with heart health”

Efficiency4%

“Effective”

Detoxification4%

“Good detox”

Vitamin4%

“Outstanding Vitamin”

Taste-Overall3%

“no foul taste”

Nutritional Content3%

“Great effective supplement”

What buyers complain about

Functionality-Overall13%

“Does not perform as described”

Dosage8%

“Something is wrong with this dosage or ingredient”

Side Effects7%

“Not worth the side effects”

Advertised Vs Actual Product5%

“false advertising”

Taste-Overall5%

“Horrible taste, doesn't taste natural at all”

Acid Regulator/Stomach Ache Relief5%

“been dealing with a lot of gas bloating food intolerance gerd all kinds of gastric mess”

Allergies4%

“very uncomfortable rash”

Ingredients-Overall4%

“Some weird ingredients in this product: TUDCA (tauroursodeoxycholic acid) is a bile acid, a modified form of ursodeoxycholic acid (UDCA) with taurine attached”

Regulates Digestion4%

“did not effect my digesting system like others”

Quality-Overall3%

“Poor Quality”

Top return reasons

Functionality-Overall13%
Certifications13%
Value For Money13%
Quality-Overall7%
Side Effects7%
Size-Overall7%
Ingredients-Overall7%
Ease Of Chewing/Swallowing7%
Advertised Vs Actual Product7%
Color7%

Common questions

Is cardo mariano profitable to sell on Amazon United States?
The niche generates $118K/yr across 24 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +23.6%. Flapen's verdict: Skip it (49/100).
How competitive is the cardo mariano niche?
19 brands and 532 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 80% of demand.
What do buyers complain about in cardo mariano?
Top complaints mined from reviews: Functionality-Overall, Dosage, Side Effects. The return rate is 0.0%.
When does demand for cardo mariano peak?
Demand peaks in Jul; the busiest month runs 1.9× the quietest.
What does it cost to enter the cardo mariano niche?
Listings span $8.99–$97.27; the average listing price is $24.07 (sweet spot $15–$100). The average incumbent carries 5,193 reviews — the moat a new listing must climb.