Skip to content

Thyrosafe

Fail

The top 5 brands take 100% of clicks, so Thyrosafe is a Fail.

Flapen Score
30
30 / 100
Ranks 14,416 of 14,768 Health & Household niches · −19 vs the category median of 49
Market size
$17K/yr25K searches / yr
90-day growth
-20.9%search demand this quarter
Competition
90%top-5 click share · 4 brands · 6 sellers

Flapen Score

Thyrosafe against its category

The dotted line is the Health & Household average. Past it, Thyrosafe is stronger. Inside it, weaker.

30Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Thyrosafe market on Amazon at a glance

Shoppers on Amazon United States searched for Thyrosafe 25K times last year and spent an estimated $17K. All 4 brands take every click. Demand peaks in Mar–Apr–May–Jun. Flapen scores it 30 out of 100, a Fail.

01 · Demand

An estimated 1.7% of those searches ended in a purchase.

Shoppers searched for this 25K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.7% of those searches ended in a purchase. Searches in the last 90 days moved -20.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $17K a year.

Searches, last 12 months
25K
Growth, 90 days vs prior 90
-20.9%
Conversion, latest week
1.7%
Market size, estimated
$17Ka year
Peak month
May21.6× the quietest month
Top search term
thyrosafe17K searches a year

02 · Price

A sale here is worth $40.53.

Listings sell for $40.53 on average, from $11.60 to $104.94. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 250 to 500 of them. At $40.53 that is $10K to $20K a year per listing.

Average price
$40.53inside the $15 to $100 sweet spot
Price range
$11.60–$104.94
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
2K–2K
Units per listing a year
250–500
Revenue per listing a year
$10K–$20K
Returns
0.0%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is ads and reviews.

100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #222 within Potassium. It carries 1,641 reviews at 4.66 stars, so a new listing needs social proof before a better product.

Sponsored listings
100%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#222in Potassium
Average rating
4.66 starsAmazon United States average 4.42 stars
Average reviews
1,641per listing
Listings tracked
8

04 · Newcomers

1 of last year's 1 launches cleared the first-year sales bar.

1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 82 months on average, so the names here are established.

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

Products

Top Thyrosafe products & what they sell for

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

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 90% of clicks. A locked shelf that new listings rarely crack.

Brands

4 flat

Sellers

6

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

90%

Top 20: 100%

Open market

0%

  • Brand 190%
  • Brand 24%
  • Brand 33%
  • Brand 43%
  • Open — no brand owns it (0%)

Demand

Thyrosafe search demand

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

4K3KSpike '25Spike '26JulAugSepOctNovDecJanFebMarAprMayJunJul

Peak months: Mar, Apr, May, Jun · busiest ÷ quietest = 21.6×

Reviews and returns

What reviews say buyers love and hate about Thyrosafe

We read the reviews and the return reasons for every product selling here.

15%of positive reviews mention “Advertised Vs Actual Product”
13%of negative reviews mention “Calcium”
<0.1%of orders come back, a rate Amazon rounds to zero
“Do not buy some supplement brand that says it's potassium iodide”
A buyer, on “Calcium”13% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

15 topics

NegativePositive

FAQ

Common Thyrosafe questions

Answered from the same tracked data.