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

The niche generates $75K/yr across 27 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +15.6%. Flapen's verdict: Worth a look (54/100).

How competitive is the milk thistle seeds niche?

20 brands and 75 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 65% of demand.

What do buyers complain about in milk thistle seeds?

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

When does demand for milk thistle seeds peak?

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

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

Listings span $7.06–$37.09; the average listing price is $16.89 (sweet spot $15–$100). The average incumbent carries 2,307 reviews — the moat a new listing must climb.

Milk Thistle Seeds

Worth a look

Shows low returns (0.0%), but a small market ($75K/yr) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$16.89

avg listing price — sweet spot $15–$100

Price range

Good$7.06–$37.09

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

Conversion

Good6.0%

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

Brand share

Good65%

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

Competition

Good49%

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

Growth

Okay+15.6%

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

Review moat

Okay2,307

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Market size

Bad$75K

$75K/yr · 74K searches

Is milk thistle seeds profitable on Amazon?

According to Flapen's Amazon United States niche tracking, milk thistle seeds is a $75K/yr Amazon United States market (74K searches/yr). The top 5 brands hold 65% of demand. Demand peaks in May. Verdict: Worth a look — 54/100.

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

milk thistle seeds market size & sales

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

Units sold / yr: 5K–6K; avg 250–500/product
Revenue / yr: $84K–$101K; units × avg price
Conversion rate: 6.0%
Avg BSR: #806
Page quality: 0%
Prime: 96%
Sponsored: 89%
Out of stock: 1.7%
Avg brand age: 69 months
Avg seller age: 160 days

Competition: brands, sellers & click share

The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.

Brands

20 rising

Sellers

Top-5 brand share

65%

Top 20: 100%

Top-5 click share

49%

Top 20: 94%

Open market

28%

Organic Way24%
YOGI’S GIFT – Celebrating health16%
Starwest Botanicals9%
BuggyBeds8%
Biokoma8%
Frontier Co-op7%

milk thistle seeds demand & seasonality

Weekly Amazon search volume, last 104 weeks — +15.6% search growth over the last 90 days.

Peak months: May · busiest ÷ quietest = 1.8×

Open Trend

Top milk thistle seeds search terms shoppers use

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

milk thistle seeds38K/yr +8.8%7.0% conv.
milk thistle seeds organic14K/yr +5.2%6.2% conv.
milk thistle seed10K/yr +23.6%7.4% conv.
semillas de cardo mariano5K/yr +100.3%2.4% conv.
organic milk thistle seeds4K/yr +3.7%7.8% conv.
milk thistle bulk2K/yr +11.3%7.4% conv.

All search terms

Top milk thistle seeds 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Organic Way Whole Milk Thistle Seeds (Silybum marianum) - Herbal Tea | European Wild-Harvest Organic & Kosher Certified Vegan Non GMO & Gluten Free USDA Certified Origin - Albania (16 Oz)

Organic Way$21.694.6★379 rev

Milk Thistle Seeds 1 LB (Whole) | Whole Milk Thistle For Tea | By Yogis Gift

YOGI’S GIFT – Celebrating health$19.864.8★217 rev

Organic Way Whole Milk Thistle Seeds (Silybum marianum) - Herabl Tea | European Wild-Harvest Organic & Kosher Certified Vegan Non GMO & Gluten Free USDA Certified Origin - Albania (2 Oz)

Organic Way$10.974.6★379 rev

Starwest Botanicals Organic Milk Thistle Seed Whole - Loose Leaf Milk Thistle for Tea & Cooking Mix in Juice Add to Smoothies Oatmeal & Yogurt Certified Kosher Non-GMO - Bulk 1 lb Bag

Starwest Botanicals$23.044.6★1,030 rev

300+ Milk Thistle Seeds - Non-GMO Heirloom Silybum Marianum Medicinal Herb | Pollinator-Friendly Purple Blooms & Spiny Foliage Annual/Biennial Blessed Holy Thistle

BuggyBeds$7.064.8★7 rev

Newest

by launch date

Milk Thistle Seed Whole by Herb Co Silybum Marianum Holy Thistle from Ukraine & Bulgaria Kosher for Tea Tinctures Infusions Salads Snacks Cereals & Breads 1 lb

MONTEREY BAY HERB CO$22.822 rev

5mo ago

WOTIHA Whole Milk Thistle Seeds (1.1 lbs / 500g) - Liver Detox & Cleanse Support with Silymarin - 100% Natural Raw Seeds for Herbal Tea & Grinding - Non-GMO 17.6 oz Value Size

WOTIHA$15.258 rev

8mo ago

300+ Milk Thistle Seeds - Non-GMO Heirloom Silybum Marianum Medicinal Herb | Pollinator-Friendly Purple Blooms & Spiny Foliage Annual/Biennial Blessed Holy Thistle

BuggyBeds$7.067 rev

10mo ago

Organic Way Whole Milk Thistle Seeds (Silybum marianum) - Herabl Tea | European Wild-Harvest Organic & Kosher Certified Vegan Non GMO & Gluten Free USDA Certified Origin - Albania (2 Oz)

Organic Way$10.97379 rev

1y ago

Organic Milk Thistle Seeds 4 oz. (113g) USDA Certified Organic Semillas de Mariano Silybum marianum Bulk Dried Natural Milk Thistle Seed Whole

Elanen Naturals$15.8754 rev

2y ago

What reviews say buyers love and hate about milk thistle seeds

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

What buyers love

Quality-Overall24%

“Good quality supplement”

Regulates Digestion9%

“Easy to digest”

Value For Money7%

“Worth it”

Vegan/Organic6%

“I love this is organic”

Advertised Vs Actual Product4%

“As advertised”

Heart Health4%

“I can genuinely say it has made a noticeable difference in my overall well-being”

Efficiency4%

“Effective”

Side Effects3%

“hasnt caused me any side effects”

Nutritional Content3%

“A very good supplement”

Ease Of Chewing/Swallowing3%

“Easy to swallow”

What buyers complain about

Dosage10%

“the pills will explode”

Value For Money8%

“here is more expensive”

Functionality-Overall7%

“Did not work”

Regulates Digestion7%

“digestive rather than toxic”

Allergies6%

“ALLERGIES”

Advertised Vs Actual Product6%

“false advertisement”

Taste-Overall6%

“has no taste”

Ingredients-Overall5%

“Didn't care for the rice product in it”

Quality-Overall4%

“I find their quality control is a little lax”

Side Effects3%

“cause these effects”

Top return reasons

Advertised Vs Actual Product29%

Certifications14%

Ease Of Chewing/Swallowing14%

Side Effects14%

Size-Overall14%

Defective Material/Parts14%

Common milk thistle seeds questions

Is milk thistle seeds profitable to sell on Amazon United States?: The niche generates $75K/yr across 27 tracked products. 1 of 4 products launched in the last 360 days are still selling. 90-day search growth is +15.6%. Flapen's verdict: Worth a look (54/100).
How competitive is the milk thistle seeds niche?: 20 brands and 75 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 65% of demand.
What do buyers complain about in milk thistle seeds?: Top complaints mined from reviews: Dosage, Value For Money, Functionality-Overall. The return rate is 0.0%.
When does demand for milk thistle seeds peak?: Demand peaks in May; the busiest month runs 1.8× the quietest.
What does it cost to enter the milk thistle seeds niche?: Listings span $7.06–$37.09; the average listing price is $16.89 (sweet spot $15–$100). The average incumbent carries 2,307 reviews — the moat a new listing must climb.