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Magnesium Bisglycinate

Magnesium Bisglycinate shows low returns (0.1%), but a concentrated shelf (top 5 take 75% of clicks) keeps it on the watch list.

Flapen Score

52
Worth a look
Market size 51Growth 53Conversion 89Competition 21Returns 100Price range 57Avg price 47Brand share 43Review moat 25Quality gap 38
This niche Category average

Is Magnesium Bisglycinate profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Magnesium Bisglycinate is a £296K/yr Amazon United Kingdom market (246K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 52/100.

Magnesium Bisglycinate: 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 +25.3% over the last 90 days and 10.4% of searches end in a purchase.

£296K

revenue / yr

Units sold / yr25K
Search volume / yr+25.3%246K
Conversion rate10.4%
Avg price£11.58

Who owns the niche?

The top 5 brands hold 79% of demand, so 21% of the market is open.

21%

open market share

Brands · sellers16 · 23
Top-5 product click share75%
Open market21%
Avg brand age37 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 · 17 products

Sponsored placement94%
New entrants (1y)4· 3 succeeded
Avg rating4.5★
Avg reviews4,066

Top Magnesium Bisglycinate 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 75% of clicks — a locked-up shelf that new listings rarely crack.

£0£30K£59K£89K£118K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

16 rising

Sellers

23

Top-5 brand share

79%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

18%

  • Nutrivo21%
  • SMNutrition16%
  • BULK POWDERS15%
  • Nutrition Geeks14%
  • WeightWorld13%
  • Zenutra3%
  • Open — no brand owns it (10 brands, 18%)

Magnesium Bisglycinate demand & seasonality

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

Volume246KCVR10.4%Products17Brands16Top 5 Brands79%OOS Rate1.5%Rating4.5★Reviews4,066Avg BSR#150
50K30KSpike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Aug, Sep · busiest ÷ quietest = 11.7×

Top Magnesium Bisglycinate search terms shoppers use

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

  • magnesium bisglycinate205K/yr
  • magnesium bisglycinate capsules18K/yr
  • bulk magnesium bisglycinate6K/yr
  • cytoplan magnesium bisglycinate4K/yr
  • bulk magnesium5K/yr
  • magnesium biglycinate3K/yr
  • magnesium glycinate bulk3K/yr
  • magnesio bisglicinato3K/yr

What reviews say buyers love and hate about Magnesium Bisglycinate

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

What buyers love

79% of reviews
Sleep Quality26%

Does help sleep

Quality-Overall15%

Excellent product

Magnesium10%

Best magnesium capsules

Value For Money9%

Excellent value for money

Advertised Vs Actual Product5%

Works as it says

What buyers complain about

61% of reviews
Sleep Quality15%

unable to sleep

Magnesium9%

This magnesium does not work

Functionality-Overall9%

It does absolutely nothing

Acid Regulator/Stomach Ache Relief6%

Gives you stomach cramps

Dosage5%

The dose is misleading

Magnesium Bisglycinate 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 Bisglycinate questions

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

Flapen scores Magnesium Bisglycinate 52/100 on Amazon United Kingdom — Worth a look. The niche generates £296K/yr across 17 tracked products. 3 of 4 products launched in the last 360 days are still selling. Search demand moved +25.3% over the last 90 days.
Search demand for Magnesium Bisglycinate on Amazon United Kingdom peaks in Aug–Sep, where the busiest month runs 11.7× the quietest.