blood test
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$30.64avg listing price — sweet spot $15–$100
Returns
Great1.3%return rate — above 5% kills the launch gate
Price range
Great$10.15–$76.29cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.7%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$102K$102K/yr · 89K searches
Review moat
Bad8,112.14avg incumbent reviews — the moat a new listing must climb
Growth
Bad-11.8%90-day search growth — must beat 0% to launch
Competition
Bad93%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, blood test is a $102K/yr Amazon United States market (89K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 36/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
blood test market data
- Units sold / yr
- 4K–5K
- avg 500–750/product
- Revenue / yr
- $123K–$153K
- units × avg price
- Conversion rate
- 3.7%
- Avg BSR
- #14
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 52 months
- Avg seller age
- 145 days
Competition & brand share
The top 5 products capture 93% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 flat
Sellers
15
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
93%
Top 20: 100%
Open market
0%
- EldonCard79%
- Right For Your Type7%
- Choose Health5%
- Metene5%
- Ascensia4%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 68 weeks — -11.8% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top blood test search terms
- blood test kit30K/yr
- blood test35K/yr
- at home blood test11K/yr
- blood testing kit6K/yr
- at home blood test kit4K/yr
- home blood test kit3K/yr
Top blood test 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.
All 7 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Eldoncard INC Blood Type Test 1 Pack
EldonCard$10.244.3★29,320 rev
Eldoncard Blood Typing Kit 2 Test Pack
EldonCard$19.934.5★7,023 rev
Original Home Blood Typing Kit - New Package + Improved Lancet (1 kit)
Right For Your Type$10.154.5★1,559 rev
Choose Health 7-in-1 Metabolic Health Test | Cholesterol Average Blood Sugars Insulin Resistance And Many More | At-Home Test Kit | Not avail in NY RI
Choose Health$76.294.5★291 rev
Metene TD-4116 Blood Glucose Monitor Kit 100 Glucometer Strips No Coding
Metene$34.554.4★11,173 rev
Newest
by launch date
Ascensia CONTOUR NEXT GEN Blood Glucose Monitor All-In-One Kit with 20 Test Strips Accurate Blood Sugar Monitor Easy-to-Use Glucose Meter Portable and Reliable Diabetes Testing Kit
Ascensia$19.442,310 rev
Metene TD-4116 Blood Glucose Monitor Kit 100 Glucometer Strips No Coding
Metene$34.5511,173 rev
Choose Health 7-in-1 Metabolic Health Test | Cholesterol Average Blood Sugars Insulin Resistance And Many More | At-Home Test Kit | Not avail in NY RI
Choose Health$76.29291 rev
Original Home Blood Typing Kit - New Package + Improved Lancet (1 kit)
Right For Your Type$10.151,559 rev
Eldoncard Blood Typing Kit 2 Test Pack
EldonCard$19.937,023 rev
Trending
90-day click momentumAscensia CONTOUR NEXT GEN Blood Glucose Monitor All-In-One Kit with 20 Test Strips Accurate Blood Sugar Monitor Easy-to-Use Glucose Meter Portable and Reliable Diabetes Testing Kit
Ascensia$19.444.6★
Original Home Blood Typing Kit - New Package + Improved Lancet (1 kit)
Right For Your Type$10.154.5★
Eldoncard Blood Typing Kit 5 Test Pack Know Your Blood Type Accurate Instant Home Testing Determine A O B Rhs-D Negative & Positive Groups
EldonCard$43.864.7★
Eldoncard INC Blood Type Test 1 Pack
EldonCard$10.244.3★
Choose Health 7-in-1 Metabolic Health Test | Cholesterol Average Blood Sugars Insulin Resistance And Many More | At-Home Test Kit | Not avail in NY RI
Choose Health$76.294.5★
What buyers say about blood test
What buyers praise and complain about, mined from review topics.What buyers love
“Easy peasy process”
“Accurate and Easy”
“Excellent instructions”
“the price was reasonable”
“improving your blood sugar”
“Excellent Product”
“As Advertised”
“Does the job”
“so helpful to track certain health aspects”
“Good monitor, easy to use,”
What buyers complain about
“Did not work well”
“Questionable Accuracy”
“Inconsistent readings as well”
“Complicated instructions”
“Way overpriced”
“Difficult to Use”
“Low Manufacturing Quality Control”
“It broke”
“never got a reading for my blood sugar”
“Battery was almost dead”
Top return reasons
Common questions
- Is blood test profitable to sell on Amazon United States?
- The niche generates $102K/yr across 7 tracked products. 90-day search growth is -11.8%. Flapen's verdict: Skip it (36/100).
- How competitive is the blood test niche?
- 5 brands and 15 sellers compete. The top 5 products take 93% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in blood test?
- Top complaints mined from reviews: Functionality-Overall, Accuracy-Overall, Measurement/Reading Accuracy. The return rate is 1.3%.
- When does demand for blood test peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the blood test niche?
- Listings span $10.15–$76.29; the average listing price is $30.64 (sweet spot $15–$100). The average incumbent carries 8,112 reviews — the moat a new listing must climb.