---
title: "Castor Oil Capsules — $91K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/castor-oil-capsules"
last_updated: "2026-08-06T14:38:19.065Z"
locale: en
meta:
description: "Niche score 42/100 · $91K/yr market · 75K searches/yr · $13.85 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · $91K/yr market · 75K searches/yr · $13.85 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Castor Oil Capsules — $91K/yr Amazon US Niche (2026) - Flapen"
---
# **castor oil capsules**
**Skip it**
Soft demand (-26.2% this quarter) — this niche doesn't clear our bar today.
Market size 23Growth 12Conversion 82Competition 16Returns 100Price range 47Avg price 65Brand share 29Review moat 68Quality gap 45
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****8.8%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****765.2**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Good****$13.85**
avg listing price — sweet spot $15–$100
**Price range**
**Okay****$7.68–$21.59**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****87%**
top-5 brand share — brands hold most of the demand
**Market size**
**Bad****$91K**
$91K/yr · 75K searches
**Competition**
**Bad****81%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-26.2%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, castor oil capsules is a $91K/yr Amazon United States market (75K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Jul. Verdict: Skip it — 42/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **castor oil capsules market data**
- **Units sold / yr**
- **8K–10K**
- avg 750–1,000/product
- **Revenue / yr**
- **$111K–$139K**
- units × avg price
- **Conversion rate**
- **8.8%**
- **Avg BSR**
- **#576**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **50%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **47 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▲rising
**Sellers**
**23**
**Top-5 brand share**
**87%**
Top 20: 100%
**Top-5 click share**
**81%**
Top 20: 100%
**Open market**
**8%**
- Dr. HERBALIST29% - Vitamatic20% - NOW Foods20% - Carlyle10% - HERITAGE STORE9% - Piping Rock5% - Open — no brand owns it (3 brands, 8%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -26.2% search growth over the last 90 days.
5K3KPrime Day '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jul · busiest ÷ quietest = 2.1×
[**Open Trend **](https://flapen.com/research/us/health-household/castor-oil-capsules/trend)
## **Top castor oil capsules search terms**
- **castor oil capsules**25K/yr-27.6%11.3% conv. - **castor oil pills**20K/yr-18.2%9.8% conv. - **castor oil capsules organic cold pressed**10K/yr-42.2%10.5% conv. - **castor oil pills organic soft gels**4K/yr+0.6%12.4% conv. - **castor oil supplements**6K/yr-0.1%8.3% conv. - **castor oil tablets**2K/yr-27.7%15.0% conv. - **castor oil pills organic**5K/yr-71.9%9.6% conv. - **castor oil pills 725 mg for parasites**2K/yr+6.7%13.3% conv. [**All search terms **](https://flapen.com/research/us/health-household/castor-oil-capsules/search-terms)
## **Top castor oil capsules 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%10%$9K20%$18K30%$27K40%$37K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Dr. HERBALIST Castor Oil Capsules 1600mg - Cold-Pressed Ricinus Communis Seed Oil No Fennel - 60 Easy-Swallow Vegetarian Softgels (30 Servings) - Castor Oil Pills for Hair & Skin - Halal**Dr. HERBALIST**$10.52**4.3★603 rev](https://www.amazon.com/dp/B0BBXST5D6) [2**Vitamatic Castor Oil Softgels 750 mg | Cold Pressed | 180 Softgels | Easy-to-Swallow**Vitamatic**$12.89**4.6★92 rev](https://www.amazon.com/dp/B0G87W3MC7) [3**NOW Foods Supplements Castor Oil 650 mg with Fennel Oil Natural Laxative* 120 Softgels**NOW Foods**$9.60**4.4★3,049 rev](https://www.amazon.com/dp/B001F0R7DC) [4**Carlyle Castor Oil 750mg | 200 Softgels | Traditional Herb | Non-GMO Gluten Free Supplement**Carlyle**$15.07**4.6★1,061 rev](https://www.amazon.com/dp/B094C692ZG) [5**HERITAGE STORE Castor Oil Supplement 725 mg Healthy Cleansing Intestinal Balance & Digestion Support * with Added Fennel Oil 60 Servings 60 Vegetarian Capsules**HERITAGE STORE**$14.57**4.6★880 rev](https://www.amazon.com/dp/B005G96P6S)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vitamatic Castor Oil Softgels 750 mg | Cold Pressed | 180 Softgels | Easy-to-Swallow**Vitamatic**$12.89**92 rev6mo ago](https://www.amazon.com/dp/B0G87W3MC7) [**BulkSupplements.com Castor Oil Softgels - 1 Softgel per Serving 240 Count (Pack of 1)**BulkSupplements**$21.59**13 rev9mo ago](https://www.amazon.com/dp/B0FSSTT3S6) [**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**$7.68**248 rev10mo ago](https://www.amazon.com/dp/B0F5QMFYKR) [**FITO MEDICS Lab | Castor Oil Pills |220 softgels | Castor Oil softgels | Concentrate Extract**FITO MEDIC'S**$14.05**234 rev2y ago](https://www.amazon.com/dp/B0CPNY3JQ5) [**Dr. HERBALIST Castor Oil Capsules 1600mg - Cold Pressed Ricinus Communis Softgels | Supports Digestive Wellness & Hair Skin Vitality* | Halal Non-GMO Vegan | 60ct**Dr. HERBALIST**$17.40**603 rev2y ago](https://www.amazon.com/dp/B0CHK4R2XW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Vitamatic Castor Oil Softgels 750 mg | Cold Pressed | 180 Softgels | Easy-to-Swallow**Vitamatic**$12.89**4.6★**▲ 165%**](https://www.amazon.com/dp/B0G87W3MC7) [**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**$7.68**4.5★**▲ 109%**](https://www.amazon.com/dp/B0F5QMFYKR) [**Dr. HERBALIST Castor Oil Capsules 1600mg - Cold-Pressed Ricinus Communis Seed Oil No Fennel - 60 Easy-Swallow Vegetarian Softgels (30 Servings) - Castor Oil Pills for Hair & Skin - Halal**Dr. HERBALIST**$10.52**4.3★**▲ 44%**](https://www.amazon.com/dp/B0BBXST5D6) [**Dr. HERBALIST Castor Oil Capsules 1600mg - Cold Pressed Ricinus Communis Softgels | Supports Digestive Wellness & Hair Skin Vitality* | Halal Non-GMO Vegan | 60ct**Dr. HERBALIST**$17.40**4.3★**▲ 35%**](https://www.amazon.com/dp/B0CHK4R2XW) [**BulkSupplements.com Castor Oil Softgels - 1 Softgel per Serving 240 Count (Pack of 1)**BulkSupplements**$21.59**4.4★**▲ 23%**](https://www.amazon.com/dp/B0FSSTT3S6)
**~~View all trending →~~**
## **What buyers say about castor oil capsules**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**17%
*“Even so, the quality feels solid, and the packaging is straightforward and convenient”*
**Ease Of Chewing/Swallowing**9%
*“I have had no issues swallowing them”*
**Advertised Vs Actual Product**7%
*“Worked as advertised”*
**Efficiency**6%
*“Seem to work good”*
**Value For Money**6%
*“Good value”*
**Ease Of Use**5%
*“this is such a convenient option”*
**Dosage**4%
*“the proper dosage for my health needs”*
**Regulates Digestion**4%
*“I mainly wanted something to support overall digestive balance and general wellness, and so far theyve been easy to work into a regular routine without any issues”*
**Nutritional Content**3%
*“This is an excellent supplement brand that I trust for their proper testing and consistent results”*
**Smell**2%
*“There's no foul smell which is great”*
### **What buyers complain about **
**Functionality-Overall**9%
*“Didn't work”*
**Taste-Overall**8%
*“It doesn't taste like anything”*
**Size-Overall**7%
*“These are big”*
**Smell**5%
*“The bottle full of softgels has a slight oily smell”*
**Dosage**4%
*“I took two pills and nothing happened”*
**Side Effects**3%
*“This gave me terrible stomach cramps”*
**Oily/Greasy**3%
*“Oil”*
**Ingredients-Overall**3%
*“too much fennel not enough castor”*
**Thickness**2%
*“which can be incredibly thick”*
**Material Quality**2%
*“Its in plastic dont get it because it degrades the product”*
### **Top return reasons **
**Value For Money**20%
**Material Quality**20%
**Advertised Vs Actual Product**15%
**Oily/Greasy**10%
**Functionality-Overall**10%
**Defective Material/Parts**10%
**Texture/Consistency-Overall**5%
**Dilute/Watery**5%
**Smell**5%
## **Common questions**
- **Is castor oil capsules profitable to sell on Amazon United States?**
- The niche generates $91K/yr across 10 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -26.2%. Flapen's verdict: Skip it (42/100).
- **How competitive is the castor oil capsules niche?**
- 9 brands and 23 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 87% of demand.
- **What do buyers complain about in castor oil capsules?**
- Top complaints mined from reviews: Functionality-Overall, Taste-Overall, Size-Overall. The return rate is 0.1%.
- **When does demand for castor oil capsules peak?**
- Demand peaks in Jul; the busiest month runs 2.1× the quietest.
- **What does it cost to enter the castor oil capsules niche?**
- Listings span $7.68–$21.59; the average listing price is $13.85 (sweet spot $15–$100). The average incumbent carries 765 reviews — the moat a new listing must climb.
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