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55

colon cancer test kit

Worth a look

Shows a sweet-spot price point ($24.02 avg), but soft demand (-35.4% this quarter) keeps it on the watch list.

Market size 52Growth 7Conversion 76Competition 21Returns 94Price range 88Avg price 95Brand share 31Review moat 88Quality gap 90

Avg price

Incredible$24.02

avg listing price — sweet spot $15–$100

Returns

Great1.1%

return rate — above 5% kills the launch gate

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Review moat

Great233.5

avg incumbent reviews — the moat a new listing must climb

Price range

Great$9.36–$75.08

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

Conversion

Great7.3%

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

Market size

Good$331K

$331K/yr · 190K searches

Brand share

Okay86%

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

Competition

Bad74%

top-5 click share — a locked-up shelf

Growth

Bad-35.4%

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

According to Flapen's Amazon United States niche tracking, colon cancer test kit is a $331K/yr Amazon United States market (190K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Feb–Mar. Verdict: Worth a look — 55/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

colon cancer test kit market data

Units sold / yr
13K–15K
avg 750–1,000/product
Revenue / yr
$300K–$360K
units × avg price
Conversion rate
7.3%
Avg BSR
#44
Page quality
0%
Prime
100%
Sponsored
50%
Out of stock
23.1%
Avg brand age
55 months
Avg seller age
151 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

11 falling

Sellers

19

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

10%

  • Reese's ColoTest33%
  • DIAGNOX HEALTH27%
  • INDICAID17%
  • Quest Diagnostics5%
  • Instant-view5%
  • EZ Detect4%
  • Open — no brand owns it (5 brands, 10%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -35.4% search growth over the last 90 days.
8K6KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Feb, Mar · busiest ÷ quietest = 1.7×

Top colon cancer test kit search terms

  • cologuard colon cancer test kit34K/yr
  • colon cancer test32K/yr
  • cologuard16K/yr
  • occult blood stool test kit12K/yr
  • fit testing kit for colon cancer11K/yr
  • fecal occult blood test9K/yr
  • colon test kit6K/yr
  • fit test8K/yr
  • shield blood test for colon cancer2K/yr
  • stool test kit6K/yr
All search terms

Top colon cancer test kit 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%$33K20%$66K30%$99K40%$132K101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 14 tracked products in this niche — three views at once, no toggling.

What buyers say about colon cancer test kit

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

What buyers love

Ease Of Use41%

“Convenient tests”

Instructions/User Manual/Troubleshooting16%

“Exact directions for use: use your imagination”

Value For Money9%

“The pricing is competitive”

Accuracy-Overall9%

“Product was accurate”

Advertised Vs Actual Product9%

“As Described”

Quality-Overall5%

“Excellent product”

Efficiency5%

“Yes it worked great”

Flexibility2%

“Discrete and private use”

Display-Overall1%

“It's a good pre-screen”

Urinary Bladder Health1%

“This seems to be an effective way to detect the baddies in the colon”

What buyers complain about

Instructions/User Manual/Troubleshooting19%

“Because of the weird instructions”

Quality-Overall17%

“Trash”

Measurement/Reading Accuracy13%

“I would not recommend Indicaid for accuracy”

Functionality-Overall8%

“Did not work”

Certifications8%

“Don't buy home test if your doctor recommends testing”

Natural Resource Wastage8%

“Waste of money”

Regulates Digestion8%

“its ok. i have a history of digestive problems”

Value For Money8%

“What a waste of money”

Accuracy-Overall4%

“Thank God I didnt believe the test”

Top return reasons

Advertised Vs Actual Product31%
Functionality-Overall27%
Certifications13%
Instructions/User Manual/Troubleshooting5%
Value For Money4%
Measurement/Reading Accuracy3%
Product Condition3%
Accuracy-Overall3%
Leak-Proof2%
Ease Of Use2%

Common questions

Is colon cancer test kit profitable to sell on Amazon United States?
The niche generates $331K/yr across 14 tracked products. 90-day search growth is -35.4%. Flapen's verdict: Worth a look (55/100).
How competitive is the colon cancer test kit niche?
11 brands and 19 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 86% of demand.
What do buyers complain about in colon cancer test kit?
Top complaints mined from reviews: Instructions/User Manual/Troubleshooting, Quality-Overall, Measurement/Reading Accuracy. The return rate is 1.1%.
When does demand for colon cancer test kit peak?
Demand peaks in Feb–Mar; the busiest month runs 1.7× the quietest.
What does it cost to enter the colon cancer test kit niche?
Listings span $9.36–$75.08; the average listing price is $24.02 (sweet spot $15–$100). The average incumbent carries 234 reviews — the moat a new listing must climb.