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Magnesium Glycinate 200mg

soft demand (-41.6% this quarter) — Magnesium Glycinate 200mg doesn't clear our bar today.

Flapen Score

39
Skip it
Market size 16Growth 4Conversion 87Competition 31Returns 100Price range 13Avg price 32Brand share 50Review moat 29Quality gap 40
This niche Category average

Is Magnesium Glycinate 200mg profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Magnesium Glycinate 200mg is a £63K/yr Amazon United Kingdom market (65K searches/yr). The top 5 brands hold 75% of demand. Verdict: Skip it — 39/100.

Magnesium Glycinate 200mg: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -41.6% over the last 90 days and 10.0% of searches end in a purchase.

£63K

revenue / yr

Units sold / yr8K
Search volume / yr-41.6%65K
Conversion rate10.0%
Avg price£9.84

Who owns the niche?

The top 5 brands hold 75% of demand, so 25% of the market is open.

25%

open market share

Brands · sellers18 · 52
Top-5 product click share66%
Open market25%
Avg brand age39 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 · 23 products

Sponsored placement96%
New entrants (1y)2· 0 succeeded
Avg rating4.5★
Avg reviews3,629

Top Magnesium Glycinate 200mg 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 66% of clicks — established leaders, but buyers still shop beyond them.

£0£6K£13K£19K£25K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

18 falling

Sellers

52

Top-5 brand share

75%

Top 20: 100%

Top-5 click share

66%

Top 20: 97%

Open market

22%

  • Nutravita30%
  • iperk20%
  • Health Thru Nutrition13%
  • Nutrition Geeks8%
  • My Supplement Farm3%
  • WeightWorld3%

Magnesium Glycinate 200mg demand & seasonality

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

Volume65KCVR10.0%Products23Brands18Top 5 Brands75%OOS Rate4.3%Rating4.5★Reviews3,629Avg BSR#106
3K2KHoliday '25Spike '26Sep '25Oct '25Dec '25Feb '26Mar '26May '26Jun '26

Top Magnesium Glycinate 200mg search terms shoppers use

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

  • magnesium glycinate 200mg31K/yr
  • magnesium glycinate 300mg15K/yr
  • nutravita magnesium glycinate5K/yr
  • magnesium glycinate 250mg4K/yr
  • magnesium 300mg6K/yr
  • nutravita magnesium5K/yr

What reviews say buyers love and hate about Magnesium Glycinate 200mg

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

What buyers love

81% of reviews
Sleep Quality27%

Does help sleep

Quality-Overall16%

the quality is always consistent

Magnesium10%

Best magnesium supplement around

Value For Money9%

Good value for money

Advertised Vs Actual Product5%

accurate description

What buyers complain about

61% of reviews
Sleep Quality16%

unable to sleep

Magnesium9%

This magnesium does not work

Functionality-Overall6%

It does absolutely nothing

Size-Overall6%

Too big

Acid Regulator/Stomach Ache Relief5%

Caused severe stomach cramps

Magnesium Glycinate 200mg 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.

1Magnesium
50%
2Joint Pain
50%

Common Magnesium Glycinate 200mg questions

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

Flapen scores Magnesium Glycinate 200mg 39/100 on Amazon United Kingdom — Skip it. The niche generates £63K/yr across 23 tracked products. 0 of 2 products launched in the last 360 days are still selling. Search demand moved -41.6% over the last 90 days.
Magnesium Glycinate 200mg buyers on Amazon United Kingdom complain most about Sleep Quality, Magnesium, Functionality-Overall, the themes mined from the niche's reviews. Its return rate is 0.1%.