---
title: "Senna — $3.1M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/senna"
last_updated: "2026-08-11T08:41:13.324Z"
locale: en
meta:
description: "Niche score 59/100 · $3.1M/yr market · 1.3M searches/yr · $13.83 avg price. Clears our launch bar. Data updated Jul 2026."
"og:description": "Niche score 59/100 · $3.1M/yr market · 1.3M searches/yr · $13.83 avg price. Clears our launch bar. Data updated Jul 2026."
"og:title": "Senna — $3.1M/yr Amazon US Niche (2026) - Flapen"
---
# **senna**
**Launch it**
A $3.1M/yr market growing +4.5% this quarter with returns at 0.0% — clears our launch bar.
Market size 96Growth 31Conversion 99Competition 60Returns 100Price range 56Avg price 65Brand share 14Review moat 25Quality gap 25
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****17.9%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Incredible****$3.1M**
$3.1M/yr · 1.3M searches
**Avg price**
**Good****$13.83**
avg listing price — sweet spot $15–$100
**Competition**
**Good****49%**
top-5 click share — leaders hold, buyers still browse
**Price range**
**Good****$5.96–$26.67**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Okay****+4.5%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****4,174.55**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****95%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, senna is a $3.1M/yr Amazon United States market (1.3M searches/yr). The top 5 brands hold 95% of demand. Verdict: Launch it — 59/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **senna market data**
- **Units sold / yr**
- **200K–250K**
- avg 10,000–12,500/product
- **Revenue / yr**
- **$2.8M–$3.5M**
- units × avg price
- **Conversion rate**
- **17.9%**
- **Avg BSR**
- **#91**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **95%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **86 months**
- **Avg seller age**
- **153 days**
## **Competition & brand share**
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**8 **▼falling
**Sellers**
**403**
**Top-5 brand share**
**95%**
Top 20: 100%
**Top-5 click share**
**49%**
Top 20: 100%
**Open market**
**2%**
- Senokot40% - MAJOR24% - GenCare19% - P Puregen Labs7% - HealthA2Z4% - NUVICARE4% - Open — no brand owns it (2 brands, 2%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +4.5% search growth over the last 90 days.
25K15KHoliday '24Spike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/health-household/senna/trend)
## **Top senna search terms**
- **senna tablets**367K/yr-6.4%20.2% conv. - **senna**300K/yr+9.1%12.1% conv. - **senokot**291K/yr-0.1%19.3% conv. - **senna laxative**121K/yr+26.5%15.1% conv. - **senekot**24K/yr+36.8%19.6% conv. - **senn**24K/yr+23.1%0.5% conv. - **senokot stool softener**24K/yr+10.6%13.1% conv. - **senna laxative tablets**18K/yr-27.4%16.6% conv. - **senokot s dual action 100 tablets**17K/yr+8.1%22.8% conv. - **senna 8.6 mg tablet**12K/yr-2.8%19.7% conv. [**All search terms **](https://flapen.com/research/us/health-household/senna/search-terms)
## **Top senna 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%4%$126K8%$251K12%$377K16%$503K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 20 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Major Senna 8.6 mg Natural Vegetable Laxative Tablets - Made with Sennosides - Promotes Occasional Constipation Relief - 100 Tablets**MAJOR**$5.96**4.6★1,068 rev](https://www.amazon.com/dp/B016LHAO9W) [2**MAJOR Senna 8.6 mg Natural Vegetable Laxative Tablets - Made with Sennosides - 1000-Count (1-Pack)**MAJOR**$16.53**4.7★10,243 rev](https://www.amazon.com/dp/B005TM1H7Y) [3**GenCare Senna Laxative 600 Tablets Senna 8.6mg Tablets with Natural Sennosides | Laxatives for Constipation Bloating Gas & Irregularity Relief. Safe & Effective | Generic for Senokot**GenCare**$13.01**4.6★6,217 rev](https://www.amazon.com/dp/B07LHC58V1) [4**Senokot Regular Strength Laxatives for Constipation Senna Laxative Tablets 50 Count Animal Print Constipation Relief for Adults Senna Tablets**Senokot**$12.84**4.7★6,042 rev](https://www.amazon.com/dp/B003D3OF6G) [5**Senokot Extra Strength Senna Laxative Tablets 36 Tablets Laxatives for Constipation Relief Overnight Relief for Adults**Senokot**$15.48**4.6★5,199 rev](https://www.amazon.com/dp/B07ZDSKYS8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Senokot Extra Strength Natural Vegetable Laxative for Gentle Overnight Relief Occasional Constipation 72 Count**Senokot**$26.67**5,199 rev3mo ago](https://www.amazon.com/dp/B0FJGG1ZX2) [**Puregen Labs Senna-S Natural Vegetable Laxative Plus Stool Softener Dual Action - 250 Tablets Senna Plus | Gentle Dependable Overnight Relief of Occasional Constipation**P Puregen Labs**$10.05**2,009 rev1y ago](https://www.amazon.com/dp/B0D94SXHRZ) [**NUVICARE Senna Laxative Tablets 8.6 mg Natural Senna Leaf Laxative for Occasional Constipation Relief Compare to Senokot Gentle Vegetable Laxatives 200 Count**NUVICARE**$9.03**790 rev2y ago](https://www.amazon.com/dp/B0D87LPWGL) [**Puregen Labs Senna 8.6 mg Tablets (1000 Count) Natural Sennosides Vegetable Laxative for Constipation Bloating Gas Irregularity Relief**P Puregen Labs**$17.00**1,125 rev2y ago](https://www.amazon.com/dp/B0CMVZVW3T) [**GenCare - Maximum Strength Senna Laxative 25mg (100 Tablets) - Gentle Constipation Relief Sennosides USP Stimulant Laxatives Digestion Pills - Natural Overnight Relief while You Sleep - Generic Ex Lax**GenCare**$10.04**1,496 rev3y ago](https://www.amazon.com/dp/B0BZWQYHKQ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Senokot Extra Strength Natural Vegetable Laxative for Gentle Overnight Relief Occasional Constipation 72 Count**Senokot**$26.67**4.6★**▲ 247%**](https://www.amazon.com/dp/B0FJGG1ZX2) [**Timely Senna Time Laxative - 1000 Count Tablets - Natural Vegetable Based Laxatives for Constipation Relief Gentle Overnight Relief and Stool Softener**TIME-CAP LABS, INC.**$13.66**4.6★**▲ 207%**](https://www.amazon.com/dp/B001UWTK44) [**Senokot Regular Strength Laxatives for Constipation Senna Laxative Tablets 50 Count Animal Print Constipation Relief for Adults Senna Tablets**Senokot**$12.84**4.7★**▲ 50%**](https://www.amazon.com/dp/B003D3OF6G) [**Major Senna 8.6 mg Natural Vegetable Laxative Tablets - Made with Sennosides - Promotes Occasional Constipation Relief - 100 Tablets**MAJOR**$5.96**4.6★**▲ 31%**](https://www.amazon.com/dp/B016LHAO9W) [**HealthA2Z Senna Laxative | 300 Count | Sennosides 8.6mg | Natural Vegetable | Laxative Ingredients | Overnight Relief | Bowel Movement | Relief from Constipation**HealthA2Z**$7.92**4.5★**▲ 23%**](https://www.amazon.com/dp/B09Z4JP17Z)
**~~View all trending →~~**
## **What buyers say about senna**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Efficiency**20%
*“Gets the job done”*
**Value For Money**15%
*“Best value”*
**Quality-Overall**12%
*“Just as good as the name brand”*
**Advertised Vs Actual Product**11%
*“As advertised”*
**Regulates Digestion**7%
*“Works Well For Constipation”*
**Soft Feel**4%
*“Gentle”*
**Ease Of Use**4%
*“Easy to use”*
**Natural Ingredients**3%
*“THEY'RE NATURAL”*
**Side Effects**2%
*“The effects are gentle”*
**Ease Of Chewing/Swallowing**2%
*“Easy to chew”*
### **What buyers complain about **
**Functionality-Overall**32%
*“Barely worked for me”*
**Taste-Overall**9%
*“This has an high chemical taste”*
**Regulates Digestion**6%
*“it didnt necessarily help with the constipation”*
**Side Effects**4%
*“Unpleasant side effects”*
**Dosage**4%
*“Didn't work for me even at a higher dose”*
**Pain Relief-Overall**4%
*“Very painful”*
**Value For Money**4%
*“cheaper”*
**Quality-Overall**4%
*“Bad quality tablets unlike previously”*
**Ingredients-Overall**3%
*“Inaccurate Ingredients”*
**Acid Regulator/Stomach Ache Relief**2%
*“youll definitely hear your stomach gurgling loudly”*
### **Top return reasons **
**Functionality-Overall**67%
**Ingredients-Overall**11%
**Value For Money**11%
**Advertised Vs Actual Product**11%
## **Common questions**
- **Is senna profitable to sell on Amazon United States?**
- The niche generates $3.1M/yr across 20 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +4.5%. Flapen's verdict: Launch it (59/100).
- **How competitive is the senna niche?**
- 8 brands and 403 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 95% of demand.
- **What do buyers complain about in senna?**
- Top complaints mined from reviews: Functionality-Overall, Taste-Overall, Regulates Digestion. The return rate is 0.0%.
- **When does demand for senna peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the senna niche?**
- Listings span $5.96–$26.67; the average listing price is $13.83 (sweet spot $15–$100). The average incumbent carries 4,175 reviews — the moat a new listing must climb.
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