---
title: "Cardo Mariano — $118K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/cardo-mariano"
last_updated: "2026-08-07T09:27:27.437Z"
locale: en
meta:
  description: "Niche score 49/100 · $118K/yr market · 119K searches/yr · $24.07 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 49/100 · $118K/yr market · 119K searches/yr · $24.07 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Cardo Mariano — $118K/yr Amazon US Niche (2026) - Flapen"
---

# **cardo mariano**

**Skip it**

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**

**Incredible****0.0%**

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**

**Good****4.1%**

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

**Brand share**

**Okay****80%**

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

**Competition**

**Okay****65%**

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

**Market size**

**Okay****$118K**

$118K/yr · 119K searches

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Bad****5,192.88**

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 ~~](https://flapen.com/research/methodology)

## **cardo mariano market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**4K–5K**</dd><dd>avg 250–500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$96K–$120K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**4.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#492**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**96%**</dd>

<dt>**Out of stock**</dt><dd>**1.6%**</dd>

<dt>**Avg brand age**</dt><dd>**65 months**</dd>

<dt>**Avg seller age**</dt><dd>**159 days**</dd>

</dl>

## **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 '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jul · busiest ÷ quietest = 1.9×

[**Open Trend **](https://flapen.com/research/us/health-household/cardo-mariano/trend)

## **Top cardo mariano search terms**

- **cardo mariano para el hgado graso**118K/yr+23.9%3.3% conv. - **cardo mariano para el higado graso**447/yr+52.6%0.6% conv. - **cardio marino para el hgado**370/yr+30.1%3.0% conv. - **cardo mariano para el hgado**815/yr-40.0%0.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/cardo-mariano/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 moatMarket 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.

### **Top sellers**

by 90-day click share

[1![Zazzee USDA Organic Milk Thistle 30:1 Extract 80% Silymarin 120 Vegan Capsules 4 Month Supply Certified Kosher High Potency Liver & Antioxidant Support Silybum Marianum Non-GMO Made in the USA](https://m.media-amazon.com/images/I/41-BJYrdzEL.jpg)**Zazzee USDA Organic Milk Thistle 30:1 Extract 80% Silymarin 120 Vegan Capsules 4 Month Supply Certified Kosher High Potency Liver & Antioxidant Support Silybum Marianum Non-GMO Made in the USA**Zazzee**$27.77**4.7★11,745 rev](https://www.amazon.com/dp/B07CCK6VRS) [2![Cardo Mariano Mexican Herbal Tea - 4 oz (113g) - Authentic 100% Natural Milk Thistle Loose Leaf Tea - Wildcrafted Non-GMO & Caffeine-Free - Traditional Botanical - by BEXPERTSUSA](https://m.media-amazon.com/images/I/51s7uttegHL.jpg)**Cardo Mariano Mexican Herbal Tea - 4 oz (113g) - Authentic 100% Natural Milk Thistle Loose Leaf Tea - Wildcrafted Non-GMO & Caffeine-Free - Traditional Botanical - by BEXPERTSUSA**B-Experts**$12.21**4.6★383 rev](https://www.amazon.com/dp/B0DKMBQ554) [3![Cardo Mariano reforzado con diente Leon (Milk Thistle Reinforced w/Dandelion) 90 Vegetable Capsule 1500 mg per Serving Root Liver Health Support Antioxidant Support 100% Natural Made by BexpertsUSA](https://m.media-amazon.com/images/I/41FvpKnfKgL.jpg)**Cardo Mariano reforzado con diente Leon (Milk Thistle Reinforced w/Dandelion) 90 Vegetable Capsule 1500 mg per Serving Root Liver Health Support Antioxidant Support 100% Natural Made by BexpertsUSA**B-Experts**$16.35**4.5★337 rev](https://www.amazon.com/dp/B0DWZ8BPWR) [4![OxyEnergy Milk Thistle Liver Support Supplement 90 Vegetarian Capsules](https://m.media-amazon.com/images/I/31Apy9k7fsL.jpg)**OxyEnergy Milk Thistle Liver Support Supplement 90 Vegetarian Capsules**OxyEnergy**$27.29**4.3★2,366 rev](https://www.amazon.com/dp/B0DFYD1Y2X) [5![Bronson Milk Thistle Silymarin Marianum & Dandelion Extract 120 Capsules](https://m.media-amazon.com/images/I/41E8b+u1C9L.jpg)**Bronson Milk Thistle Silymarin Marianum & Dandelion Extract 120 Capsules**Bronson**$9.90**4.7★40,242 rev](https://www.amazon.com/dp/B079JX3FMC)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Milk Thistle Herbal Tea Cardo Mariano (Silybum marianum) Jumbo Size - Net Wt. 113 g (4 oz) 100% Natural Sun-Dried Wildcrafted No Additives No Preservatives Traditional Caffeine-Free Herbal Infusion](https://m.media-amazon.com/images/I/41Bl4UY7bpL.jpg)**Milk Thistle Herbal Tea Cardo Mariano (Silybum marianum) Jumbo Size - Net Wt. 113 g (4 oz) 100% Natural Sun-Dried Wildcrafted No Additives No Preservatives Traditional Caffeine-Free Herbal Infusion**MOMARY NUTRITION**$10.17**14 rev4mo ago](https://www.amazon.com/dp/B0GRHY18WS) [![Micro Ingredients Milk Thistle Supplement | 360 Softgels with Grape Seed Oil | Highly Bioavailable Extract | Contains Active Silymarin + Antioxidants](https://m.media-amazon.com/images/I/41dy0mPMyXL.jpg)**Micro Ingredients Milk Thistle Supplement | 360 Softgels with Grape Seed Oil | Highly Bioavailable Extract | Contains Active Silymarin + Antioxidants**Micro Ingredients**$18.63**402 rev1y ago](https://www.amazon.com/dp/B0F5S4X7L6) [![Cardo mariano curcuma diente de leon boldo & cuachalalate TE (Milk thistle turmeric dandelion boldo & cuachalalate) 24 Tea Bags 100% natural herbal infusion vegan higassan te| HerbeLiver support](https://m.media-amazon.com/images/I/41CfO2OEMEL.jpg)**Cardo mariano curcuma diente de leon boldo & cuachalalate TE (Milk thistle turmeric dandelion boldo & cuachalalate) 24 Tea Bags 100% natural herbal infusion vegan higassan te| HerbeLiver support**B-Experts**$10.92**175 rev1y ago](https://www.amazon.com/dp/B0DWZRP789) [![Cardo Mariano reforzado con diente Leon (Milk Thistle Reinforced w/Dandelion) 90 Vegetable Capsule 1500 mg per Serving Root Liver Health Support Antioxidant Support 100% Natural Made by BexpertsUSA](https://m.media-amazon.com/images/I/41FvpKnfKgL.jpg)**Cardo Mariano reforzado con diente Leon (Milk Thistle Reinforced w/Dandelion) 90 Vegetable Capsule 1500 mg per Serving Root Liver Health Support Antioxidant Support 100% Natural Made by BexpertsUSA**B-Experts**$16.35**337 rev1y ago](https://www.amazon.com/dp/B0DWZ8BPWR) [![Herbmood Milk Thistle Liver Detox Drops Cardo Mariano (con Silimarina) y Diente de Len para el Hgado Graso Liver Support Supplement w/Artichoke & Dandelion Extract for Liver Cleanse & Repair. 2oz](https://m.media-amazon.com/images/I/51utnjJ1VnL.jpg)**Herbmood Milk Thistle Liver Detox Drops Cardo Mariano (con Silimarina) y Diente de Len para el Hgado Graso Liver Support Supplement w/Artichoke & Dandelion Extract for Liver Cleanse & Repair. 2oz**Herbmood**$22.15**70 rev1y ago](https://www.amazon.com/dp/B0DR14PQ15)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Milk Thistle Herbal Tea Cardo Mariano (Silybum marianum) Jumbo Size - Net Wt. 113 g (4 oz) 100% Natural Sun-Dried Wildcrafted No Additives No Preservatives Traditional Caffeine-Free Herbal Infusion](https://m.media-amazon.com/images/I/41Bl4UY7bpL.jpg)**Milk Thistle Herbal Tea Cardo Mariano (Silybum marianum) Jumbo Size - Net Wt. 113 g (4 oz) 100% Natural Sun-Dried Wildcrafted No Additives No Preservatives Traditional Caffeine-Free Herbal Infusion**MOMARY NUTRITION**$10.17**4.4★**▲ 197%**](https://www.amazon.com/dp/B0GRHY18WS) [![OxyEnergy Milk Thistle Liver Support Supplement 90 Vegetarian Capsules](https://m.media-amazon.com/images/I/31Apy9k7fsL.jpg)**OxyEnergy Milk Thistle Liver Support Supplement 90 Vegetarian Capsules**OxyEnergy**$27.29**4.3★**▲ 188%**](https://www.amazon.com/dp/B0DFYD1Y2X) [![USDA Organic Milk Thistle Capsules - 80% Silymarin Supplement for Liver Support- Super Concentrated 300mg of 30:1 Milk Thistle Extract Equivalent to 9 000mg - Milk Thistle Liver Detox 60 Day Supply](https://m.media-amazon.com/images/I/41uHRV8UwcL.jpg)**USDA Organic Milk Thistle Capsules - 80% Silymarin Supplement for Liver Support- Super Concentrated 300mg of 30:1 Milk Thistle Extract Equivalent to 9 000mg - Milk Thistle Liver Detox 60 Day Supply**PURE CO**$16.82**4.7★**▲ 143%**](https://www.amazon.com/dp/B01K20TYKY) [![Zazzee USDA Organic Milk Thistle 50:1 Extract 80% Silymarin Flavonoids 200 Vegan Capsules 6+ Month Supply Silybum Marianum Liver Support & Detox Support Organic All-Natural Non-GMO Made in USA](https://m.media-amazon.com/images/I/41QQsVr6MsL.jpg)**Zazzee USDA Organic Milk Thistle 50:1 Extract 80% Silymarin Flavonoids 200 Vegan Capsules 6+ Month Supply Silybum Marianum Liver Support & Detox Support Organic All-Natural Non-GMO Made in USA**Zazzee**$37.09**4.8★**▲ 116%**](https://www.amazon.com/dp/B07RWB6BS2) [![Clean Nutraceuticals Milk Thistle NAC Chanca Piedra Beet Root Artichoke Astragalus Dandelion Root - Liver Cleanse Detox & Repair Supplement Plus TUDCA Choline & Ginger - 1Pack](https://m.media-amazon.com/images/I/41pSvts5RzL.jpg)**Clean Nutraceuticals Milk Thistle NAC Chanca Piedra Beet Root Artichoke Astragalus Dandelion Root - Liver Cleanse Detox & Repair Supplement Plus TUDCA Choline & Ginger - 1Pack**Clean Nutraceuticals**$26.20**4.6★**▲ 111%**](https://www.amazon.com/dp/B0BG7M59NJ)

**~~View all trending →~~**

## **What buyers say about cardo mariano**

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

### **What buyers love **

**Quality-Overall**19%

*“Good quality and easy to take”*

**Regulates Digestion**6%

*“Easy to digest”*

**Value For Money**6%

*“Very affordable”*

**Ease Of Chewing/Swallowing**5%

*“Easy to swallow”*

**Heart Health**5%

*“Helping with heart health”*

**Efficiency**4%

*“Effective”*

**Detoxification**4%

*“Good detox”*

**Vitamin**4%

*“Outstanding Vitamin”*

**Taste-Overall**3%

*“no foul taste”*

**Nutritional Content**3%

*“Great effective supplement”*

### **What buyers complain about **

**Functionality-Overall**13%

*“Does not perform as described”*

**Dosage**8%

*“Something is wrong with this dosage or ingredient”*

**Side Effects**7%

*“Not worth the side effects”*

**Advertised Vs Actual Product**5%

*“false advertising”*

**Taste-Overall**5%

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

**Acid Regulator/Stomach Ache Relief**5%

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

**Allergies**4%

*“very uncomfortable rash”*

**Ingredients-Overall**4%

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

**Regulates Digestion**4%

*“did not effect my digesting system like others”*

**Quality-Overall**3%

*“Poor Quality”*

### **Top return reasons **

**Functionality-Overall**13%

**Certifications**13%

**Value For Money**13%

**Quality-Overall**7%

**Side Effects**7%

**Size-Overall**7%

**Ingredients-Overall**7%

**Ease Of Chewing/Swallowing**7%

**Advertised Vs Actual Product**7%

**Color**7%

## **Common questions**

<dl>

<dt>**Is cardo mariano profitable to sell on Amazon United States?**</dt><dd>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).</dd>

<dt>**How competitive is the cardo mariano niche?**</dt><dd>19 brands and 532 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 80% of demand.</dd>

<dt>**What do buyers complain about in cardo mariano?**</dt><dd>Top complaints mined from reviews: Functionality-Overall, Dosage, Side Effects. The return rate is 0.0%.</dd>

<dt>**When does demand for cardo mariano peak?**</dt><dd>Demand peaks in Jul; the busiest month runs 1.9× the quietest.</dd>

<dt>**What does it cost to enter the cardo mariano niche?**</dt><dd>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.</dd>

</dl>

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