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Dexcom

a concentrated shelf (top 5 take 88% of clicks) — Dexcom doesn't clear our bar today.

Flapen Score

44
Skip it
Market size 32Growth 22Conversion 33Competition 10Returns 55Price range 85Avg price 93Brand share 17Review moat 96Quality gap 98
This niche Category average

Is Dexcom profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Dexcom is a £150K/yr Amazon United Kingdom market (111K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Jan. Verdict: Skip it — 44/100.

Dexcom: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -6.5% over the last 90 days and 2.6% of searches end in a purchase.

£150K

revenue / yr

Units sold / yr3K
Search volume / yr-6.5%111K
Conversion rate2.6%
Avg price£51.54

Who owns the niche?

The top 5 brands hold 93% of demand, so 7% of the market is open.

7%

open market share

Brands · sellers8 · 29
Top-5 product click share88%
Open market7%
Avg brand age33 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 3.7★ — the gap to enter on.

0/100

page quality · 9 products

Sponsored placement56%
New entrants (1y)2· 1 succeeded
Avg rating3.7★
Avg reviews82

Top Dexcom 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 capture 88% of clicks — a locked-up shelf that new listings rarely crack.

£0£15K£30K£45K£60K1101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

8 rising

Sellers

29

Top-5 brand share

93%

Top 20: 100%

Top-5 click share

88%

Top 20: 100%

Open market

4%

  • LIMDO39%
  • MG Living24%
  • Arrowedge12%
  • Dexcom One11%
  • Lingo7%
  • sinocare2%
  • Open — no brand owns it (2 brands, 4%)

Dexcom demand & seasonality

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

Volume111KCVR2.6%Products9Brands8Top 5 Brands93%OOS Rate0.0%Rating3.7★Reviews82Avg BSR#113
4K3KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 1.8×

Top Dexcom search terms shoppers use

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

  • dexcom38K/yr
  • dexcom g721K/yr
  • dexcom oneplus16K/yr
  • dexcom g7 continuous glucose monitor14K/yr
  • dexcom one11K/yr
  • dexcom g7 sensor4K/yr
  • dexcom one+3K/yr
  • dexcom one plus3K/yr

What reviews say buyers love and hate about Dexcom

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

What buyers love

68% of reviews
Ease Of Use21%

Easy to use

Health Monitoring8%

Very good health tech

Value For Money8%

Good value for money

Quality-Overall7%

High quality and perfect monitor

Efficiency5%

Ive been really impressed with how well it performs

What buyers complain about

77% of reviews
Value For Money17%

True it is not particularly cheap

Durability13%

Easily comes off

Functionality-Overall10%

device not working properly anyway

Connectivity-Overall9%

Poor signal connection

Compatibility-Overall6%

Android compatibility issues

Dexcom return rate & reasons

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

2.8%

Return rate

2%

Fixable by listing

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

1Functionality-Overall
26%
2Durability
13%
3Defective Material/Parts
12%
4Compatibility-Overall
12%
5Connectivity-Overall
11%

Common Dexcom questions

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

Flapen scores Dexcom 44/100 on Amazon United Kingdom — Skip it. The niche generates £150K/yr across 9 tracked products. 1 of 2 products launched in the last 360 days are still selling. Search demand moved -6.5% over the last 90 days.
Search demand for Dexcom on Amazon United Kingdom peaks in Jan, where the busiest month runs 1.8× the quietest.