Is milk thistle liquid profitable to sell on Amazon United States?

The niche generates $137K/yr across 21 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +20.6%. Flapen's verdict: Worth a look (58/100).

How competitive is the milk thistle liquid niche?

19 brands and 566 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 65% of demand.

What do buyers complain about in milk thistle liquid?

Top complaints mined from reviews: Taste-Overall, Smell, Functionality-Overall. The return rate is 0.0%.

When does demand for milk thistle liquid peak?

Demand peaks in Apr–May; the busiest month runs 1.8× the quietest.

What does it cost to enter the milk thistle liquid niche?

Listings span $9.17–$39.95; the average listing price is $19.49 (sweet spot $15–$100). The average incumbent carries 1,372 reviews — the moat a new listing must climb.

Milk Thistle Liquid

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

Great$19.49

avg listing price — sweet spot $15–$100

Conversion

Great8.4%

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

Price range

Great$9.17–$39.95

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

Brand share

Good65%

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

Review moat

Good1,371.9

avg incumbent reviews — the moat a new listing must climb

Growth

Good+20.6%

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

Competition

Okay58%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$137K

$137K/yr · 84K searches

Signals No Dominant Brand

Is milk thistle liquid profitable on Amazon?

According to Flapen's Amazon United States niche tracking, milk thistle liquid is a $137K/yr Amazon United States market (84K searches/yr). The top 5 brands hold 65% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 58/100.

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

milk thistle liquid market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 6K–8K; avg 250–500/product
Revenue / yr: $117K–$156K; units × avg price
Conversion rate: 8.4%
Avg BSR: #284
Page quality: 0%
Prime: 100%
Sponsored: 81%
Out of stock: 2.9%
Avg brand age: 66 months
Avg seller age: 162 days

Competition: brands, sellers & click share

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

Brands

19 rising

Sellers

566

Top-5 brand share

65%

Top 20: 100%

Top-5 click share

58%

Top 20: 99%

Open market

28%

PURE CO16%
Horbäach15%
Nature's Answer14%
Wild & Organic10%
MARYRUTH'S8%
Herb Pharm7%

milk thistle liquid demand & seasonality

Weekly Amazon search volume, last 104 weeks — +20.6% search growth over the last 90 days.

Peak months: Apr, May · busiest ÷ quietest = 1.8×

Open Trend

Top milk thistle liquid search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

milk thistle liquid19K/yr +35.6%6.9% conv.
milk thistle drops17K/yr +31.1%7.1% conv.
milk thistle tincture14K/yr +32.1%8.8% conv.
liquid milk thistle10K/yr +61.8%7.0% conv.
cardo mariano gotas7K/yr -25.7%1.9% conv.
milk thistle tincture organic4K/yr +61.0%11.2% conv.
milk thistle liquid extract drops4K/yr -42.6%6.4% conv.
milk thistle supplement liquid3K/yr +52.2%5.6% conv.
organic milk thistle extract3K/yr -30.2%3.9% conv.
milk thistle liquid drops2K/yr -7.3%7.1% conv.

All search terms

Top milk thistle liquid products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

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

Top sellers

by 90-day click share

USDA Organic Milk Thistle Extract - High Potency 10:1 Silymarin Milk Thistle Liquid Liver Cleanse Detox & Repair Supplement - Vegan Non-GMO & Alcohol-Free Liver Support Supplement (30 Servings)

PURE CO$16.694.7★2,183 rev

Horbach Milk Thistle Extract Liquid | 2 fl oz | Alcohol Free

Horbäach$9.454.6★2,563 rev

Wild & Organic Milk Thistle Liquid Drops - Liver Cleanse Detox - Silymarin Milk Thistle Supplement for Liver Support - Add to Tea - Silybum Marianum Seed Extract Tincture - Sugar & Alcohol-Free - 4 oz

Wild & Organic$24.584.7★898 rev

MARYRUTH'S$19.584.7★598 rev

Natures Answer Milk Thistle Extract | Promotes Healthy Liver Function | Cleanse and Detox Supplement | Non-GMO Kosher Certified & Gluten-Free 1oz

Nature's Answer$12.614.6★1,742 rev

Newest

by launch date

Biduka Milk Thistle Liquid Drops with 80% Silymarin 98% High Absorption Liver Support Vegan Gluten-Free GMO-Free Extra Strength 2Fl Oz

Biduka$9.1717 rev

3mo ago

Milk Thistle Liquid Drops All Natural Milk Thistle Extract with Silymarin High Absorption Non-GMO Gluten-Free 4 oz

NEW AGE$24.5051 rev

7mo ago

USDA Organic Milk Thistle Extract - High Potency 10:1 Silymarin Milk Thistle Liquid Liver Cleanse Detox & Repair Supplement - Vegan Non-GMO & Alcohol-Free Liver Support Supplement (30 Servings)

PURE CO$16.692,183 rev

9mo ago

OASIS FORCE Organic Milk Thistle Extract Liquid Silymarin Milk Thistle Drops Supplement with Dandelion & Artichoke for Digestive Health Daily Vitality & Liver Support Vegan Alcohol-Free 2 FL OZ

OASIS FORCE$23.27233 rev

1y ago

MEENCCD Milk Thistle Liquid Drops - Milk Thistle Supplement with Silymarin Antioxidant Support Vegan Non-GMO 2 Fl Oz

MEENCCD$11.35274 rev

1y ago

What reviews say buyers love and hate about milk thistle liquid

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

What buyers love

Taste-Overall18%

“Good taste”

Quality-Overall13%

“Excellent product”

Ease Of Use7%

“Easy to take”

Regulates Digestion4%

“can support improved digestion”

Ingredients-Overall4%

“gluten-free was important to me”

Flavor3%

“Love the flavor”

Heart Health3%

“it has contributed to significant improvement in my overall health”

Value For Money3%

“this is cheaper”

Detoxification2%

“Affordable detox product”

Efficiency2%

“Works well”

What buyers complain about

Taste-Overall23%

“tastes VERY different”

Smell8%

“some say it smelled like rotten eggs-ammonia”

Functionality-Overall5%

“Did not make a difference in my daily”

Flavor5%

“I dont taste any kind of berry flavoring like the other two I received”

Regulates Digestion3%

“which is partly the cause of my digestive issues”

Dilute/Watery3%

“the new bottle looks heavily diluted”

Allergies3%

“which I am allergic to”

Sweetness3%

“too much sugar”

Dosage3%

“Im really like this the first dose was absolutely disgusting”

Color2%

“now the color has changed”

Top return reasons

Taste-Overall50%

Value For Money50%

Common milk thistle liquid questions

Is milk thistle liquid profitable to sell on Amazon United States?: The niche generates $137K/yr across 21 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +20.6%. Flapen's verdict: Worth a look (58/100).
How competitive is the milk thistle liquid niche?: 19 brands and 566 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 65% of demand.
What do buyers complain about in milk thistle liquid?: Top complaints mined from reviews: Taste-Overall, Smell, Functionality-Overall. The return rate is 0.0%.
When does demand for milk thistle liquid peak?: Demand peaks in Apr–May; the busiest month runs 1.8× the quietest.
What does it cost to enter the milk thistle liquid niche?: Listings span $9.17–$39.95; the average listing price is $19.49 (sweet spot $15–$100). The average incumbent carries 1,372 reviews — the moat a new listing must climb.