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Magnesium Glycinate

prices mostly outside the sweet spot ($3.44–$8.12) — Magnesium Glycinate doesn't clear our bar today.

Flapen Score

45
Skip it
Market size 100Growth 16Conversion 97Competition 4Returns 100Price range 0Avg price 20Brand share 11Review moat 22Quality gap 37
This niche Category average

Is Magnesium Glycinate profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Magnesium Glycinate is a £8.8M/yr Amazon United Kingdom market (8.5M searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Mar–Apr–May. Verdict: Skip it — 45/100.

Magnesium Glycinate: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -17.8% over the last 90 days and 14.6% of searches end in a purchase.

£8.8M

revenue / yr

Units sold / yr1.0M
Search volume / yr-17.8%8.5M
Conversion rate14.6%
Avg price£7.12

Who owns the niche?

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

5%

open market share

Brands · sellers6 · 34
Top-5 product click share95%
Open market5%
Avg brand age44 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 6 products

Sponsored placement83%
New entrants (1y)0· 0 succeeded
Avg rating4.5★
Avg reviews9,561

Top Magnesium Glycinate 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 95% of clicks — a locked-up shelf that new listings rarely crack.

£0£1.8M£3.5M£5.3M£7.1M1K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

6 falling

Sellers

34

Top-5 brand share

95%

Top 20: 100%

Top-5 click share

95%

Top 20: 100%

Open market

0%

  • Nutrition Geeks67%
  • SS Sport Supplies9%
  • Zipvit8%
  • Vitabiotics Ultra6%
  • NEW LEAF PRODUCTS5%
  • Free Soul5%

Magnesium Glycinate demand & seasonality

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

Volume8.5MCVR14.6%Products6Brands6Top 5 Brands95%OOS Rate0.0%Rating4.5★Reviews9,561Avg BSR#3
225K175KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar, Apr, May · busiest ÷ quietest = 3.0×

Top Magnesium Glycinate search terms shoppers use

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

  • magnesium glycinate3.6M/yr
  • magnesium2.2M/yr
  • magnesium glycinate 3-in-1815K/yr
  • mag237K/yr
  • nutrition geeks magnesium306K/yr
  • magnesium supplements542K/yr
  • geeks magnesium glycinate 3-in-1196K/yr
  • magnesium tablets150K/yr
  • magnesium for sleep58K/yr
  • nutrition geeks magnesium 3 in 161K/yr

What reviews say buyers love and hate about Magnesium Glycinate

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

What buyers love

81% of reviews
Sleep Quality27%

sleep more deeply

Quality-Overall14%

the quality is always consistent

Magnesium10%

Best magnesium out there

Value For Money10%

Excellent value for money

Advertised Vs Actual Product6%

accurate description

What buyers complain about

62% of reviews
Sleep Quality16%

No sleep

Magnesium9%

Unfortunately this magnesium upset my stomach

Functionality-Overall7%

Didn't do for me

Dosage6%

The dose is misleading

Acid Regulator/Stomach Ache Relief6%

Upsets my stomach

Magnesium Glycinate return rate & reasons

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

0.1%

Return rate

0%

Fixable by listing

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

1Joint Pain
50%
2Magnesium
50%

Common Magnesium Glycinate questions

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

Flapen scores Magnesium Glycinate 45/100 on Amazon United Kingdom — Skip it. The niche generates £8.8M/yr across 6 tracked products. Search demand moved -17.8% over the last 90 days.
Search demand for Magnesium Glycinate on Amazon United Kingdom peaks in Mar–Apr–May, where the busiest month runs 3.0× the quietest.