Milk Thistle
MaybeShoppers spend an estimated $10.4M a year here. But the products selling today already average 4.7★, so Milk Thistle is a Maybe.
- Flapen Score
- 62 / 100Top 8% of 14,768 Health & Household niches · +13 vs the category median of 4962
- Market size
- $10.4M/yr4.3M searches / yr
- 90-day growth
- +22.5%search demand this quarter
- Competition
- 68%top-5 click share · 13 brands · 68 sellers
Flapen Score
Milk Thistle against its category
The dotted line is the Health & Household average. Past it, Milk Thistle is stronger. Inside it, weaker.
Market
The Milk Thistle market on Amazon at a glance
Shoppers on Amazon United States searched for Milk Thistle 4.3M times last year and spent an estimated $10.4M. The top 5 brands take 83% of clicks. Flapen scores it 62 out of 100, a Maybe.
01 · Demand
An estimated 11.2% of those searches ended in a purchase.
Shoppers searched for this 4.3M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 11.2% of those searches ended in a purchase. Searches in the last 90 days moved +22.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $10.4M a year.
- Searches, last 12 months
- 4.3M
- Growth, 90 days vs prior 90
- +22.5%
- Conversion, latest week
- 11.2%
- Market size, estimated
- $10.4Ma year
- Peak month
- May1.4× the quietest month
- Top search term
- milk thistle2.4M searches a year
02 · Price
A sale here is worth $21.72.
Listings sell for $21.72 on average, from $8.99 to $47.21. Amazon reports units sold in ranges. This niche sold 500K to 600K a year. The average listing sells 30,000 to 40,000 of them. At $21.72 that is $652K to $869K a year per listing.
- Average price
- $21.72inside the $15 to $100 sweet spot
- Price range
- $8.99–$47.21
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 500K–600K
- Units per listing a year
- 30,000–40,000
- Revenue per listing a year
- $652K–$869K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
82% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.0% of listings are out of stock. The average listing ranks #99 within Milk Thistle. It carries 10,691 reviews at 4.66 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 82%
- Prime listings
- 100%
- Out of stock, average day
- 1.0%
- Average rank
- #99in Milk Thistle
- Average rating
- 4.66 starsAmazon United States average 4.42 stars
- Average reviews
- 10,691per listing
- Listings tracked
- 17
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 63 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 63 months
Products
Top Milk Thistle products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 27, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Bronson Milk Thistle Silymarin Marianum & Dandelion Extract 120 Capsules
- Price
- $9.90
- Rating
- 4.7/5
- Reviews
- 40,242
- Age
- 8y ago

Nutricost Milk Thistle Extract 240 Capsules for 240 Servings Per Bottle - Vegan GMO Free and Gluten Free
- Price
- $13.71
- Rating
- 4.8/5
- Reviews
- 4,949
- Age
- 10y ago

OxyEnergy Milk Thistle Liver Support Supplement 90 Vegetarian Capsules
- Price
- $27.29
- Rating
- 4.3/5
- Reviews
- 2,366
- Age
- 1y ago

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
- Price
- $37.09
- Rating
- 4.8/5
- Reviews
- 1,965
- Age
- 7y ago

Natures Bounty Milk Thistle 1000mg Herbal Health Supplement Daily Supplement Gluten Free Rapid Release Softgels 50 Ct
- Price
- $9.77
- Rating
- 4.7/5
- Reviews
- 10,062
- Age
- 15y ago
Trending
estimated 90-day click momentum
THORNE - Milk Thistle Phytosome (Formerly Siliphos) - Botanical Extract Complex for Antioxidant and Liver Support* - Third-Party Certified - Gluten Dairy & Soy-Free - 90 Capsules
- Price
- $47.21
- Rating
- 4.8/5
- Reviews
- 325
- Age
- 21y ago

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
- Price
- $37.09
- Rating
- 4.8/5
- Reviews
- 1,965
- Age
- 7y ago

Clean Nutraceuticals Milk Thistle NAC Chanca Piedra Beet Root Artichoke Astragalus Dandelion Root - Liver Cleanse Detox & Repair Supplement Plus TUDCA Choline & Ginger - 1Pack
- Price
- $26.20
- Rating
- 4.6/5
- Reviews
- 4,628
- Age
- 3y ago

OxyEnergy Milk Thistle Liver Support Supplement 90 Vegetarian Capsules
- Price
- $27.29
- Rating
- 4.3/5
- Reviews
- 2,366
- Age
- 1y ago

Micro Ingredients Milk Thistle Supplement | 360 Softgels with Grape Seed Oil | Highly Bioavailable Extract | Contains Active Silymarin + Antioxidants
- Price
- $18.63
- Rating
- 4.7/5
- Reviews
- 402
- Age
- 1y ago
Newest
by launch date
Micro Ingredients Milk Thistle Supplement | 360 Softgels with Grape Seed Oil | Highly Bioavailable Extract | Contains Active Silymarin + Antioxidants
- Price
- $18.63
- Rating
- 4.7/5
- Reviews
- 402
- Age
- 1y ago

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
- Price
- $12.21
- Rating
- 4.6/5
- Reviews
- 383
- Age
- 1y ago

OxyEnergy Milk Thistle Liver Support Supplement 90 Vegetarian Capsules
- Price
- $27.29
- Rating
- 4.3/5
- Reviews
- 2,366
- Age
- 1y ago

Bronson Milk Thistle Silymarin Marianum & Dandelion Extract 360 Capsules
- Price
- $21.75
- Rating
- 4.7/5
- Reviews
- 40,242
- Age
- 3y ago

Bronson Milk Thistle Silymarin Marianum & Dandelion Extract 90 Capsules
- Price
- $8.99
- Rating
- 4.7/5
- Reviews
- 40,242
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 68% of clicks. Leaders hold, but buyers still shop past them.
Brands
13 rising
Sellers
68
Est. top-5 brand share
83%
Top 20: 100%
Est. top-5 click share
68%
Top 20: 100%
Open market
14%
- Bronson38%
- Zazzee12%
- Nutricost12%
- OxyEnergy11%
- Nature's Bounty10%
- FarmHaven3%
- Open — no brand owns it (7 brands, 14%)
Demand
Milk Thistle search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.4×
Search terms
Top Milk Thistle search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- milk thistle2.4M/yr
- milk thistle supplement833K/yr
- milk thistle liver detox383K/yr
- cardo mariano242K/yr
- cardo mariano para el hgado graso118K/yr
- milk thistle extract77K/yr
- thistle31K/yr
- cardo mariano organico34K/yr
- milk thistle and dandelion root13K/yr
- milk thistle 1000mg16K/yr
Reviews and returns
What reviews say buyers love and hate about Milk Thistle
We read the reviews and the return reasons for every product selling here.
“Does not perform as described”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
21 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Milk Thistle questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









