Is castor oil laxative profitable to sell on Amazon United States?

The niche generates $176K/yr across 16 tracked products. 2 of 4 products launched in the last 360 days are still selling. 90-day search growth is -17.6%. Flapen's verdict: Skip it (43/100).

How competitive is the castor oil laxative niche?

15 brands and 75 sellers compete. The top 5 products take 79% of clicks and top 5 brands hold 80% of demand.

What do buyers complain about in castor oil laxative?

Top complaints mined from reviews: Smell, Thickness, Motor Power. The return rate is 0.6%.

When does demand for castor oil laxative peak?

Demand peaks in Jan–Feb–Mar; the busiest month runs 2.4× the quietest.

What does it cost to enter the castor oil laxative niche?

Listings span $6.27–$29.88; the average listing price is $16.67 (sweet spot $15–$100). The average incumbent carries 6,361 reviews — the moat a new listing must climb.

castor oil laxative

Skip it

Soft demand (-17.6% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.6%

return rate — above 5% kills the launch gate

Conversion

Great8.2%

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

Avg price

Great$16.67

avg listing price — sweet spot $15–$100

Price range

Good$6.27–$29.88

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

Brand share

Okay80%

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

Market size

Okay$176K

$176K/yr · 129K searches

Review moat

Bad6,360.88

avg incumbent reviews — the moat a new listing must climb

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad79%

top-5 click share — a locked-up shelf

Growth

Bad-17.6%

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

According to Flapen's Amazon United States niche tracking, castor oil laxative is a $176K/yr Amazon United States market (129K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Skip it — 43/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

castor oil laxative market data

Units sold / yr: 10K–13K; avg 500–750/product
Revenue / yr: $167K–$208K; units × avg price
Conversion rate: 8.2%
Avg BSR: #431
Page quality: 0%
Prime: 100%
Sponsored: 63%
Out of stock: 0.0%
Avg brand age: 65 months
Avg seller age: 163 days

Competition & brand share

The top 5 products capture 79% of clicks — a locked-up shelf that new listings rarely crack.

Brands

15 falling

Sellers

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

79%

Top 20: 100%

Open market

16%

Swan22%
A+Health21%
DWARAKA18%
CARAWAY13%
The Goodbye Company6%
Handcraft Blends4%
Open — no brand owns it (9 brands, 16%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -17.6% search growth over the last 90 days.

Peak months: Jan, Feb, Mar · busiest ÷ quietest = 2.4×

Open Trend

Top castor oil laxative search terms

castor oil laxative22K/yr -4.6%9.5% conv.
castor oil for constipation22K/yr -8.9%7.8% conv.
edible castor oil15K/yr -8.3%7.9% conv.
castor oil edible10K/yr -14.7%7.3% conv.
edible castor oil organic7K/yr +26.0%6.7% conv.
aceite de ricino comestible6K/yr +13.4%3.1% conv.
castor oil for drinking5K/yr -8.6%8.1% conv.
castor oil for constipation relief4K/yr +4.5%12.2% conv.
edible castor oil for consumption12K/yr -68.8%5.2% conv.
castor oil usp3K/yr +18.0%5.3% conv.

All search terms

Top castor oil laxative 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

SWAN Castor Oil USP 100% Stimulant Laxative 4 FL OZ - For Relief of occasional Constipation

Swan$6.274.5★2,379 rev

A+Health Castor Oil Laxative For Constipation 100% Pure 6 Fluid Ounces Tasteless Odorless Hexane Free Moisturizing and Nourishing for Skin and Hair Made in USA

A+Health$7.684.5★248 rev

Dwaraka Organic Cold Pressed Castor Oil for Digestion Hair Growth Skincare and Massages - 16.9 Fl Oz (500 ML) | USDA Organic Non-GMO All Natural

DWARAKA$13.034.3★1,501 rev

CARAWAY Cold Pressed Pure Castor Oil Indian Handmade | Therapeutic Grade | Edible | For Liver Detox Hair Growth Eyelashes Skin Constipation & Joint Pain | Glass Bottle 236ml

CARAWAY$21.184.8★1,215 rev

Goodbye Company USDA Organic Cold-Pressed Castor Oil 8.5 oz Glass Bottle Hexane-Free Extra Virgin Ethically Sourced Pure Castor Oil for Hair Skin Lashes & Brows

The Goodbye Company$23.084.7★4,102 rev

Newest

by launch date

The Goodbye Company Extra Virgin Castor Oil 250ml USDA Organic Cold Pressed Food Grade Hexane-Free Supports Digestive Wellness Hair Growth Eyelashes Brows And Skin

The Goodbye Company$23.913 rev

4mo ago

Freskro Pure Castor Oil Oral Solution Stimulant Laxative for Occasional Constipation Relief Fast Acting Liquid Digestive Support Smooth Easy Dosing Trusted & Tested Formula 6 fl oz (2 Pack)

Freskáro$24.138 rev

5mo ago

Vitamatic Castor Oil Softgels 750 mg | Cold Pressed | 180 Softgels | Easy-to-Swallow

Vitamatic$12.8992 rev

6mo ago

A+Health Castor Oil Laxative For Constipation 100% Pure 6 Fluid Ounces Tasteless Odorless Hexane Free Moisturizing and Nourishing for Skin and Hair Made in USA

A+Health$7.68248 rev

10mo ago

Florisan USDA Certified Organic Castor Oil 16oz Glass Bottle Cold Pressed Hexane-Free Non-GMO Vegan 100% Pure Castor Oil for Hair Growth Skin Lashes Eyebrows EWG Verified

Florisan$24.221,822 rev

1y ago

What buyers say about castor oil laxative

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

What buyers love

Quality-Overall34%

“Best quality”

Value For Money8%

“Great Value”

Advertised Vs Actual Product8%

“As described”

Moist/Dry5%

“Super moisturizing”

Smell4%

“Low smell”

Oily/Greasy3%

“Thick and oily”

Soft Feel3%

“Skin feels smooth”

Ease Of Use3%

“Easy to work with”

Suitability Combination Skin3%

“Great product for your skin”

Thickness2%

“First of all this was thick as expected”

What buyers complain about

Smell15%

“slight smell”

Thickness8%

“Lack of thickness”

Motor Power6%

“pump did not work”

Oily/Greasy5%

“It is very sticky your face gets oily”

Leak-Proof4%

“Arrives leaking”

Functionality-Overall4%

“Pump doesnt work”

Advertised Vs Actual Product4%

“This item is advertised deceptively”

Size-Overall3%

“Smaller than expected”

Adhesion/Stickiness3%

“It can feel sticky”

Allergies3%

“allergic something is wrong with it”

Top return reasons

Smell17%

Leak-Proof15%

Advertised Vs Actual Product14%

Size-Overall9%

Motor Power7%

Oily/Greasy7%