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Guardium

a concentrated shelf (top 5 take 89% of clicks) — Guardium doesn't clear our bar today.

Flapen Score

40
Skip it
Market size 70Growth 10Conversion 100Competition 9Returns 100Price range 15Avg price 25Brand share 12Review moat 33Quality gap 19
This niche Category average

Is Guardium profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Guardium is a £740K/yr Amazon United Kingdom market (267K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Skip it — 40/100.

Guardium: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -29.9% over the last 90 days and 31.2% of searches end in a purchase.

£740K

revenue / yr

Units sold / yr100K
Search volume / yr-29.9%267K
Conversion rate31.2%
Avg price£8.88

Who owns the niche?

The top 5 brands hold 95% of demand, so 5% of the market is open.

5%

open market share

Brands · sellers7 · 92
Top-5 product click share89%
Open market5%
Avg brand age65 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.7★ — the gap to enter on.

0/100

page quality · 9 products

Sponsored placement89%
New entrants (1y)0· 0 succeeded
Avg rating4.7★
Avg reviews3,175

Top Guardium 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 89% of clicks — a locked-up shelf that new listings rarely crack.

£0£111K£222K£333K£444K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

7 rising

Sellers

92

Top-5 brand share

95%

Top 20: 100%

Top-5 click share

89%

Top 20: 100%

Open market

2%

  • Nexium78%
  • Gaviscon7%
  • Generic4%
  • ANCIENT CARE CREATING HEALTHIER LIVES4%
  • BIOVITA3%
  • Gegoup2%
  • Open — no brand owns it (1 brand, 2%)

Guardium demand & seasonality

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

Volume267KCVR31.2%Products9Brands7Top 5 Brands95%OOS Rate0.0%Rating4.7★Reviews3,175Avg BSR#31
9K7KSpike '24Black Friday '24Holiday '24Spike '25SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Mar · busiest ÷ quietest = 2.6×

Top Guardium search terms shoppers use

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

  • nexium131K/yr
  • nexium control 40mg tablets 28 tablets40K/yr
  • nexium control 20mg tablets 28 tablets24K/yr
  • guardium18K/yr
  • reflux8K/yr
  • gastro resistant tablets7K/yr
  • nexium control8K/yr
  • guardium acid reflux tablets pack of 285K/yr
  • nexum4K/yr
  • cimetidine3K/yr

What reviews say buyers love and hate about Guardium

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

What buyers love

89% of reviews
Value For Money24%

Amazing value

Quality-Overall14%

Excellent product

Heart Health13%

Excellent for heart burn works quickly

Regulates Digestion12%

Worked on my acid reflux very pleased

Efficiency8%

Just as effective as Nexium

What buyers complain about

60% of reviews
Value For Money24%

Expensive though

Side Effects7%

I imagine there might be long term effects over prolonged use

Advertised Vs Actual Product7%

Not obvious from description

Water Resistance7%

item was left out in the rain every thing was soaked unable to use

Regulates Digestion5%

I was struggling as my acid reflux was making me feel too sick to eat

Common Guardium questions

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

Flapen scores Guardium 40/100 on Amazon United Kingdom — Skip it. The niche generates £740K/yr across 9 tracked products. Search demand moved -29.9% over the last 90 days.
Search demand for Guardium on Amazon United Kingdom peaks in Jan–Feb–Mar, where the busiest month runs 2.6× the quietest.