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Senna

Maybe

Buyers convert on 25.5% of searches. But prices span $2.34–$10.29, mostly outside the sweet spot, so Senna is a Maybe.

Flapen Score
50
50 / 100
Top 41% of 2,035 Health & Personal Care niches · +2 vs the category median of 48
Market size
£719K/yr452K searches / yr
90-day growth
+20.3%search demand this quarter
Competition
81%top-5 click share · 10 brands · 73 sellers

Flapen Score

Senna against its category

The dotted line is the Health & Personal Care average. Past it, Senna is stronger. Inside it, weaker.

50Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Senna market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Senna 452K times last year and spent an estimated £719K. The top 5 brands take 86% of clicks. Flapen scores it 50 out of 100, a Maybe.

01 · Demand

25.5% of searches ended in a purchase last week.

Shoppers searched for this 452K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 25.5% of those searches ended in a purchase. Searches in the last 90 days moved +20.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated £719K a year.

Searches, last 12 months
452K
Growth, 90 days vs prior 90
+20.3%
Conversion, latest week
25.5%
Market size, estimated
£719Ka year
Peak month
May1.3× the quietest month
Top search term
senna tablets138K searches a year

02 · Price

A sale here is worth £6.24.

Listings sell for £6.24 on average, from £2.34 to £10.29. Amazon reports units sold in ranges. This niche sold 125K to 150K a year. The average listing sells 12,500 to 15,000 of them. At £6.24 that is £78K to £94K a year per listing.

Average price
£6.24under the $15 to $100 sweet spot
Price range
£2.34–£10.29
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
125K–150K
Units per listing a year
12,500–15,000
Revenue per listing a year
£78K–£94K
Returns
0.0%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads and reviews.

91% of listings pay for placement with sponsored ads. 91% ship with Prime. On an average day, 10.5% of listings are out of stock. The average listing ranks #28 within Diet & Nutrition. It carries 2,123 reviews at 4.56 stars, so a new listing needs social proof before a better product.

Sponsored listings
91%
Prime listings
91%
Out of stock, average day
10.5%
Average rank
#28in Diet & Nutrition
Average rating
4.56 starsAmazon United Kingdom average 4.36 stars
Average reviews
2,123per listing
Listings tracked
11

04 · Newcomers

Amazon counts 1 of last year's 2 launches as successful.

2 products launched here in the last 12 months. Amazon counts 1 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 60 months on average, so the names here are established.

Launched, last 12 months
2
Successful launches
1Amazon's first-year sales bar
Average brand age
60 months

Products

Top Senna products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 81% of clicks. A locked shelf that new listings rarely crack.

£0£72K£144K£216K£288K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

10 rising

Sellers

73

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

81%

Top 20: 100%

Open market

10%

  • Senokot61%
  • Dulcolax7%
  • Healthpoint7%
  • Sennaveda6%
  • Wilosc5%
  • BECKYS CHOICE4%
  • Open — no brand owns it (4 brands, 10%)

Demand

Senna search demand

Weekly searches over the year, seasonality beneath. Pick a range.

10K6KHoliday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

Search terms

Top Senna search terms shoppers use

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

  • senna tablets138K/yr
  • senna92K/yr
  • senokot71K/yr
  • senokot max strength56K/yr
  • senokot tablets34K/yr
  • senna tablets for constipation27K/yr
  • senokot max strength 48 tablets adult13K/yr
  • senna max strength 48 tablets7K/yr
  • senokot laxative tablets5K/yr
  • senakot4K/yr

Reviews and returns

What reviews say buyers love and hate about Senna

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Functionality-Overall26%−0.20

this type of reiief does not work

Did not work

Takes time to work

Acid Regulator/Stomach Ache Relief9%−0.01

had really bad stomach cramps

horrible stomach pain

the stomach cramps before lift off were severe

Pain Relief-Overall8%−0.04

The cramps are painful

Not worth the pain

the pain is horrific

Side Effects5%−0.04

I had very severe stomach cramps with excruciating pain lasting for about two hours

I've suffered with constipation most of my life

Bad side effects/doesnt work

Dosage4%+0.10

foolishly took 2, next day

dont take them during the day like I did

Need to take higher dose than recommended

Love

Advertised Vs Actual Product19%+1.27

As advertised great

It works exactly as intended

As described

Efficiency18%+1.25

Works perfectly

I find the tablets effective

Effective

Quality-Overall14%+0.82

A trusted and reliable product that does exactly what it says

Decent product and cheaper from Amazon than in my local supermarket

Excellent product

Value For Money13%+0.70

not expensive

Excellent value for money

Value for money

Regulates Digestion7%+0.36

Really helps with bloating

Good for constipation

Constipation relief

FAQ

Common Senna questions

Answered from the same tracked data.