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Mag

Fail

Prices span $3.44–$14.56, mostly outside the sweet spot, so Mag is a Fail.

Flapen Score
39
39 / 100
Ranks 1,746 of 2,035 Health & Personal Care niches · −9 vs the category median of 48
Market size
£292K/yr224K searches / yr
90-day growth
-36.3%search demand this quarter
Competition
82%top-5 click share · 9 brands · 44 sellers

Flapen Score

Mag against its category

The dotted line is the Health & Personal Care average. Past it, Mag is stronger. Inside it, weaker.

39Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Mag market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Mag 224K times last year and spent an estimated £292K. The top 5 brands take 92% of clicks. Flapen scores it 39 out of 100, a Fail.

01 · Demand

15.8% of searches ended in a purchase last week.

Shoppers searched for this 224K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 15.8% of those searches ended in a purchase. Searches in the last 90 days moved -36.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated £292K a year.

Searches, last 12 months
224K
Growth, 90 days vs prior 90
-36.3%
Conversion, latest week
15.8%
Market size, estimated
£292Ka year
Top search term
magnesium glycinate 400mg43K searches a year

02 · Price

A sale here is worth £8.26.

Listings sell for £8.26 on average, from £3.44 to £14.56. Amazon reports units sold in ranges. This niche sold 30K to 40K a year. The average listing sells 2,500 to 3,000 of them. At £8.26 that is £21K to £25K a year per listing.

Average price
£8.26under the $15 to $100 sweet spot
Price range
£3.44–£14.56
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
30K–40K
Units per listing a year
2,500–3,000
Revenue per listing a year
£21K–£25K
Returns
0.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads and reviews.

92% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #22 within Minerals. It carries 8,263 reviews at 4.52 stars, so a new listing needs social proof before a better product.

Sponsored listings
92%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#22in Minerals
Average rating
4.52 starsAmazon United Kingdom average 4.36 stars
Average reviews
8,263per listing
Listings tracked
12

04 · Newcomers

Amazon counts 0 of last year's 1 launches as successful.

1 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 44 months on average, so the names here are settling in.

Launched, last 12 months
1
Successful launches
0Amazon's first-year sales bar
Average brand age
44 months

Products

Top Mag products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 82% of clicks. A locked shelf that new listings rarely crack.

£0£29K£58K£88K£117K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

9 falling

Sellers

44

Top-5 brand share

92%

Top 20: 100%

Top-5 click share

82%

Top 20: 100%

Open market

5%

  • VitaBright36%
  • Vitabiotics Ultra27%
  • Nobi Nutrition13%
  • Zipvit8%
  • Nutrition Geeks8%
  • SMNutrition3%
  • Open — no brand owns it (3 brands, 5%)

Demand

Mag search demand

Weekly searches over the year. Pick a range.

6K4KMar '26Mar '26Apr '26May '26May '26Jun '26Jul '26

Search terms

Top Mag search terms shoppers use

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

  • magnesium glycinate 400mg43K/yr
  • vitabright magnesium glycinate27K/yr
  • vitabiotics magnesium34K/yr
  • tablet magnesium9K/yr
  • magnesium 6 in 1 complex12K/yr
  • ultra magnesium8K/yr
  • magnesium glycinate and zinc8K/yr
  • magnesium 400mg8K/yr
  • pro magnesium 46K/yr
  • magnesium 500mg5K/yr

Reviews and returns

What reviews say buyers love and hate about Mag

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Sleep Quality15%+1.52

unable to sleep

doesnt help with sleep

Didnt help me sleep

Magnesium10%−0.02

It is not your ordinary magnesium

This magnesium does not work

doesnt actually tell the truth about the magnesium concentration

Functionality-Overall7%−0.07

It does absolutely nothing

didn't help at all. did absolutely nothing

Did not work

Dosage6%−0.06

The dose is misleading

the misleading dosage

The dosage is far too high

Acid Regulator/Stomach Ache Relief6%−0.06

Caused severe stomach cramps

Gives you stomach cramps

Stomach pain

Love

Sleep Quality25%+1.52

sleep more deeply

Helps with sleep

Does help sleep

Quality-Overall16%+1.19

the quality is always consistent

Excellent product

the tablets seem good quality

Magnesium10%−0.02

Best magnesium out there

Best magnesium capsules

Best magnesium supplement around

Value For Money10%+0.61

EXCELLENT VALUE FOR MONEY

Fair price

Good value for money

Advertised Vs Actual Product6%+0.32

As Advertised

As Described

Works as it says

Return

0.1% Return rate 0% Fixable by listing

Magnesium50%▁▁▁▁█▁

It is not your ordinary magnesium

This magnesium does not work

doesnt actually tell the truth about the magnesium concentration

Joint Pain50%▁▁▁▁█▁

FAQ

Common Mag questions

Answered from the same tracked data.