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.

senna

Launch it

A $3.1M/yr market growing +4.5% this quarter with returns at 0.0% — clears our launch bar.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible17.9%

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

Good49%

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

Okay4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad4,174.55

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad95%

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

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

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.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top senna search terms

senna tablets367K/yr -6.4%20.2% conv.
senna300K/yr +9.1%12.1% conv.
senokot291K/yr -0.1%19.3% conv.
senna laxative121K/yr +26.5%15.1% conv.
senekot24K/yr +36.8%19.6% conv.
senn24K/yr +23.1%0.5% conv.
senokot stool softener24K/yr +10.6%13.1% conv.
senna laxative tablets18K/yr -27.4%16.6% conv.
senokot s dual action 100 tablets17K/yr +8.1%22.8% conv.
senna 8.6 mg tablet12K/yr -2.8%19.7% conv.

All 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.

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

Major Senna 8.6 mg Natural Vegetable Laxative Tablets - Made with Sennosides - Promotes Occasional Constipation Relief - 100 Tablets

MAJOR$5.964.6★1,068 rev

MAJOR Senna 8.6 mg Natural Vegetable Laxative Tablets - Made with Sennosides - 1000-Count (1-Pack)

MAJOR$16.534.7★10,243 rev

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$13.014.6★6,217 rev

Senokot Regular Strength Laxatives for Constipation Senna Laxative Tablets 50 Count Animal Print Constipation Relief for Adults Senna Tablets

Senokot$12.844.7★6,042 rev

Senokot Extra Strength Senna Laxative Tablets 36 Tablets Laxatives for Constipation Relief Overnight Relief for Adults

Senokot$15.484.6★5,199 rev

Newest

by launch date

Senokot Extra Strength Natural Vegetable Laxative for Gentle Overnight Relief Occasional Constipation 72 Count

Senokot$26.675,199 rev

3mo ago

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$10.052,009 rev

1y ago

NUVICARE Senna Laxative Tablets 8.6 mg Natural Senna Leaf Laxative for Occasional Constipation Relief Compare to Senokot Gentle Vegetable Laxatives 200 Count

NUVICARE$9.03790 rev

2y ago

Puregen Labs Senna 8.6 mg Tablets (1000 Count) Natural Sennosides Vegetable Laxative for Constipation Bloating Gas Irregularity Relief

P Puregen Labs$17.001,125 rev

2y ago

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$10.041,496 rev

3y ago

What buyers say about senna

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

What buyers love

Efficiency20%

“Gets the job done”

Value For Money15%

“Best value”

Quality-Overall12%

“Just as good as the name brand”

Advertised Vs Actual Product11%

“As advertised”

Regulates Digestion7%

“Works Well For Constipation”

Soft Feel4%

“Gentle”

Ease Of Use4%

“Easy to use”

Natural Ingredients3%

“THEY'RE NATURAL”

Side Effects2%

“The effects are gentle”

Ease Of Chewing/Swallowing2%

“Easy to chew”

What buyers complain about

Functionality-Overall32%

“Barely worked for me”

Taste-Overall9%

“This has an high chemical taste”

Regulates Digestion6%

“it didnt necessarily help with the constipation”

Side Effects4%

“Unpleasant side effects”

Dosage4%

“Didn't work for me even at a higher dose”

Pain Relief-Overall4%

“Very painful”

Value For Money4%

“cheaper”

Quality-Overall4%

“Bad quality tablets unlike previously”

Ingredients-Overall3%

“Inaccurate Ingredients”

Acid Regulator/Stomach Ache Relief2%

“youll definitely hear your stomach gurgling loudly”

Top return reasons

Functionality-Overall67%

Ingredients-Overall11%

Value For Money11%