---
title: "Thyroid Test — $144K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/thyroid-test"
last_updated: "2026-08-10T17:19:45.339Z"
locale: en
meta:
description: "Niche score 49/100 · $144K/yr market · 63K searches/yr · $51.13 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $144K/yr market · 63K searches/yr · $51.13 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Thyroid Test — $144K/yr Amazon US Niche (2026) - Flapen"
---
# **thyroid test**
**Skip it**
A concentrated shelf (top 5 take 81% of clicks) — this niche doesn't clear our bar today.
Market size 31Growth 22Conversion 54Competition 16Returns 100Price range 80Avg price 93Brand share 40Review moat 43Quality gap 88
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$51.13**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Price range**
**Great****$15.03–$119.40**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****4.5%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****2,185.18**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****81%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$144K**
$144K/yr · 63K searches
**Growth**
**Bad****-5.4%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****81%**
top-5 click share — a locked-up shelf
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, thyroid test is a $144K/yr Amazon United States market (63K searches/yr). The top 5 brands hold 81% of demand. Verdict: Skip it — 49/100.
Data updated Jul 14, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **thyroid test market data**
- **Units sold / yr**
- **3K–3K**
- avg 100–250/product
- **Revenue / yr**
- **$128K–$153K**
- units × avg price
- **Conversion rate**
- **4.5%**
- **Avg BSR**
- **#147**
- **Page quality**
- **0%**
- **Prime**
- **91%**
- **Sponsored**
- **64%**
- **Out of stock**
- **23.7%**
- **Avg brand age**
- **62 months**
- **Avg seller age**
- **182 days**
## **Competition & brand share**
The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**11 **▲rising
**Sellers**
**12**
**Top-5 brand share**
**81%**
Top 20: 100%
**Top-5 click share**
**81%**
Top 20: 100%
**Open market**
**14%**
- Choose Health31% - Everlywell26% - SAMKARIM11% - KuweiCheck6% - LRCKINSO6% - Verisana5% - Open — no brand owns it (5 brands, 14%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -5.4% search growth over the last 90 days.
1K750Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/health-household/thyroid-test/trend)
## **Top thyroid test search terms**
- **thyroid test kit at home**22K/yr-6.0%2.2% conv. - **thyroid test**11K/yr-45.8%2.0% conv. - **full thyroid panel test**3K/yr+79.6%0.4% conv. - **thyroid test kit**6K/yr+83.1%1.4% conv. - **thyroid at home test kit**3K/yr+126.0%1.0% conv. - **thyroid home test kit**3K/yr-13.6%0.5% conv. - **at home thyroid testing kit**3K/yr+49.6%2.3% conv. - **thyroid check kit**2K/yr-15.0%1.1% conv. - **thyroid at home test**4K/yr-55.1%0.5% conv. - **thyroid testing kit**3K/yr-41.7%0.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/thyroid-test/search-terms)
## **Top thyroid 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.
0%10%$14K20%$29K30%$43K40%$58K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 11 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Thyroid Test | 4-in-1 at-Home Thyroid Test | Choose Health | TSH | T3 | T4 | TPO-Ab | at-Home Test | Cap & CLIA Accredited Lab | Not Avail in NY & RI**Choose Health**$92.24**4.5★79 rev](https://www.amazon.com/dp/B0D9CD9ZYV) [2**Everlywell At-Home Thyroid Test Collection Kit for Women and Men Get Accurate Results at Home from a CLIA-Certified Lab Within Days for Ages 18 Plus**Everlywell**$118.88**3.9★413 rev](https://www.amazon.com/dp/B01MQQKB7K) [3**Thyroid Test kit at Home (2 Test) with Live Support - TSH underactive Thyroid Testing kit - Quick Easy and Reliable at Home Test for Monitoring Thyroid Health**SAMKARIM**$20.03**3.9★37 rev](https://www.amazon.com/dp/B0FNRZD7K3) [4**KuweiCheck Thyroid Home Test kit**KuweiCheck**$15.03**3.5★13 rev](https://www.amazon.com/dp/B0FC2S4NR4) [5**Thyroid Testing kit - at-Home Collection Kit - from Hypothyroidism Expert Doctors-Accurate and Reliable TSH Test kit**LRCKINSO**$18.03**5.0★12 rev](https://www.amazon.com/dp/B0H4W45BLV)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Thyroid Testing Kit - At-Home Collection Kit - Rapid TSH Test Kit - Accurate and Reliable TSH Test - Accurate Results in 1520 Minutes**CEARMIROTH**$17.95**4 rev3mo ago](https://www.amazon.com/dp/B0GX68K1VY) [**Thyroid Test kit at Home (2 Test) with Live Support - TSH underactive Thyroid Testing kit - Quick Easy and Reliable at Home Test for Monitoring Thyroid Health**SAMKARIM**$20.03**37 rev10mo ago](https://www.amazon.com/dp/B0FNRZD7K3) [**Thyroid Testing kit - at-Home Collection Kit - from Hypothyroidism Expert Doctors-Accurate and Reliable TSH Test kit**LRCKINSO**$18.03**12 rev11mo ago](https://www.amazon.com/dp/B0H4W45BLV) [**KuweiCheck Thyroid Home Test kit**KuweiCheck**$15.03**13 rev1y ago](https://www.amazon.com/dp/B0FC2S4NR4) [**TSH Test Kit at Home Check Thyroid Stimulating Hormone(TSH) Levels and Get Reliable Results in just 15 Minutes.**YUDSIT**$18.50**3 rev1y ago](https://www.amazon.com/dp/B0F4XJVQY2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Thyroid Testing kit - at-Home Collection Kit - from Hypothyroidism Expert Doctors-Accurate and Reliable TSH Test kit**LRCKINSO**$18.03**5.0★**▲ 331%**](https://www.amazon.com/dp/B0H4W45BLV) [**Thyroid Testing Kit - At-Home Collection Kit - Rapid TSH Test Kit - Accurate and Reliable TSH Test - Accurate Results in 1520 Minutes**CEARMIROTH**$17.95**5.0★**▲ 330%**](https://www.amazon.com/dp/B0GX68K1VY) [**Thyroid Test kit at Home (2 Test) with Live Support - TSH underactive Thyroid Testing kit - Quick Easy and Reliable at Home Test for Monitoring Thyroid Health**SAMKARIM**$20.03**3.9★**▲ 27%**](https://www.amazon.com/dp/B0FNRZD7K3) [**Complete at-Home Thyroid Test | Accurate and Comprehensive | TSH Free T3 Free T4 TPO Antibodies | Painless Finger Prick | Quick and Easy | from Hypothyroidism Expert Doctors**Paloma**$119.40**4.0★**▲ 12%**](https://www.amazon.com/dp/B085J112G1) [**Thyroid Test | 4-in-1 at-Home Thyroid Test | Choose Health | TSH | T3 | T4 | TPO-Ab | at-Home Test | Cap & CLIA Accredited Lab | Not Avail in NY & RI**Choose Health**$92.24**4.5★**— 1%**](https://www.amazon.com/dp/B0D9CD9ZYV)
**~~View all trending →~~**
## **What buyers say about thyroid test**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**43%
*“Easy to do”*
**Instructions/User Manual/Troubleshooting**16%
*“The instructions are clear”*
**Value For Money**8%
*“very affordable”*
**Accuracy-Overall**8%
*“Easy and accurate”*
**Health Monitoring**5%
*“This product has been great for taking my health into my own hands”*
**Quality-Overall**4%
*“Decent kit”*
**Advertised Vs Actual Product**3%
*“right on mark”*
**Blood Sugar Level**1%
*“The Samkarin thyroid test is a pretty well thought out test kit that may be helpful for someone who suspects low thyroid”*
**Hormonal Balance**1%
*“Reliable and Fast Thyroid Monitoring at Home”*
**Locally Manufactured**1%
*“A U. S. company from Texas owns the brand”*
### **What buyers complain about **
**Accuracy-Overall**10%
*“not exact accuracy”*
**Blood Sugar Level**9%
*“Unfortunately the blood collection process with this wasn't as easy as it is with glucose monitoring kits”*
**Ease Of Use**7%
*“I also had trouble opening the solution vial”*
**Functionality-Overall**7%
*“it just doesn't work”*
**Instructions/User Manual/Troubleshooting**6%
*“I was careful in following the instructions”*
**Advertised Vs Actual Product**4%
*“There are several things I wish I knew before purchasing that were not in the online listing:”*
**Value For Money**3%
*“it has always seemed too complicated and expensive”*
**Assembly/Installation**3%
*“The hardest part was waiting for it to get delivered”*
**Pain Relief-Overall**3%
*“Finger poke was a bit painful”*
**Color Fading/Discoloration**2%
*“one faded line for C which indicates negative”*
### **Top return reasons **
**Advertised Vs Actual Product**33%
**Functionality-Overall**33%
**Ease Of Use**10%
**Accuracy-Overall**7%
**Ethically/Sustainably Sourced**7%
**Compatibility-Overall**7%
**Certifications**3%
## **Common questions**
- **Is thyroid test profitable to sell on Amazon United States?**
- The niche generates $144K/yr across 11 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -5.4%. Flapen's verdict: Skip it (49/100).
- **How competitive is the thyroid test niche?**
- 11 brands and 12 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 81% of demand.
- **What do buyers complain about in thyroid test?**
- Top complaints mined from reviews: Accuracy-Overall, Blood Sugar Level, Ease Of Use. The return rate is 0.1%.
- **When does demand for thyroid test peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the thyroid test niche?**
- Listings span $15.03–$119.40; the average listing price is $51.13 (sweet spot $15–$100). The average incumbent carries 2,185 reviews — the moat a new listing must climb.
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