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Thyroid Support Supplement

Thyroid Support Supplement shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Flapen Score

57
Worth a look
Market size 26Growth 21Conversion 65Competition 49Returns 100Price range 73Avg price 78Brand share 76Review moat 52Quality gap 82
This niche Category average

Is Thyroid Support Supplement profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Thyroid Support Supplement is a £105K/yr Amazon United Kingdom market (112K searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Feb. Verdict: Worth a look — 57/100.

Thyroid Support Supplement: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -8.8% over the last 90 days and 5.8% of searches end in a purchase.

£105K

revenue / yr

Units sold / yr6K
Search volume / yr-8.8%112K
Conversion rate5.8%
Avg price£16.21

Who owns the niche?

The top 5 brands hold 59% of demand, so 41% of the market is open.

41%

open market share

Brands · sellers20 · 27
Top-5 product click share56%
Open market41%
Avg brand age53 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.2★ — the gap to enter on.

0/100

page quality · 21 products

Sponsored placement90%
New entrants (1y)6· 2 succeeded
Avg rating4.2★
Avg reviews1,403

Top Thyroid Support Supplement products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

£0£11K£21K£32K£42K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

20 falling

Sellers

27

Top-5 brand share

59%

Top 20: 100%

Top-5 click share

56%

Top 20: 99%

Open market

36%

  • VSYLICN25%
  • ZHOU11%
  • 1 Body9%
  • QLIGES7%
  • Truvenzara7%
  • Ezyleaf Nutrition5%

Thyroid Support Supplement demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume112KCVR5.8%Products21Brands20Top 5 Brands59%OOS Rate2.9%Rating4.2★Reviews1,403Avg BSR#573
5K3KPrime Day '25Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Feb · busiest ÷ quietest = 2.3×

Top Thyroid Support Supplement search terms shoppers use

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

  • thyroid support55K/yr
  • thyroid support supplement16K/yr
  • t3 supplement for thyroid5K/yr
  • thyroid10K/yr
  • thyroid supplements20K/yr
  • thyroid complex3K/yr
  • green leaf blends thyroid3K/yr

What reviews say buyers love and hate about Thyroid Support Supplement

What buyers mention most, as a share of all reviews.

What buyers love

60% of reviews
Energy Level10%

I have more energy

Quality-Overall10%

Excellent product

Taste-Overall10%

The taste is quite strong

Hormonal Balance9%

thyroid support

Value For Money5%

Great value

What buyers complain about

65% of reviews
Value For Money11%

They are slightly more expensive than some alternatives

Taste-Overall10%

tastes a bit yucky

Side Effects8%

headache every time after taking it

Weight Loss7%

However, the supplement has done nothing to help my weight, despite being in a carefully monitored calorie deficit, my weight remains stubbornly static

Dosage7%

The following day I took a much lower dose

Thyroid Support Supplement return rate & reasons

Why buyers send it back, as a share of all return requests.

0.1%

Return rate

100%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Color
100%

Common Thyroid Support Supplement questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Thyroid Support Supplement 57/100 on Amazon United Kingdom — Worth a look. The niche generates £105K/yr across 21 tracked products. 2 of 6 products launched in the last 360 days are still selling. Search demand moved -8.8% over the last 90 days.
Search demand for Thyroid Support Supplement on Amazon United Kingdom peaks in Feb, where the busiest month runs 2.3× the quietest.