Mag
prices mostly outside the sweet spot ($3.44–$14.56) — Mag doesn't clear our bar today.
Flapen Score
Is Mag profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Mag is a £292K/yr Amazon United Kingdom market (224K searches/yr). The top 5 brands hold 92% of demand. Verdict: Skip it — 39/100.
Mag: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -36.3% over the last 90 days and 15.8% of searches end in a purchase.
£292K
revenue / yr
Who owns the niche?
The top 5 brands hold 92% of demand, so 8% of the market is open.
8%
open market share
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 · 12 products
Top Mag products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Magnesium Supplements Tablets
- Price
- £3.44
- Rating
- 4.6/5
- Reviews
- 5,535
- Age
- 12y ago
VitaBright Magnesium Glycinate Supplements | 180 Capsules | 1500mg 300mg Elemental Mg | High Strength Chelated Magnesium Bisglycinate for Adults | Tablets for Nerves & Psychological Support
- Price
- £14.56
- Rating
- 4.6/5
- Reviews
- 4,507
- Age
- 3y ago
VitaBright Magnesium Glycinate Complex 6-in-1 | 2500mg 485mg Elemental | 120 Caps | Glycinate Tablets Zinc Vitamin B6 & D | High Strength Magnesium Supplements for Women | ZMA Supplements for Men
- Price
- £8.01
- Rating
- 4.6/5
- Reviews
- 2,454
- Age
- 2y ago
Magnesium Glycinate 400mg | Chelated Bisglycinate for Muscle Relaxation Bones Heart Nerve Rest & Calm Support for Women & Men | High Absorption Magnesium Chelate Supplement | 120 Capsules
- Price
- £10.64
- Rating
- 4.4/5
- Reviews
- 3,814
- Age
- 2y ago
Magnesium Glycinate 3-in-1 Complex - 1800mg Supplements as Bisglycinate Citrate & Malate 90 Vegan Capsules Triple High Absorption 384mg Elemental UK Made
- Price
- £8.11
- Rating
- 4.5/5
- Reviews
- 35,795
- Age
- 3y ago
Trending
90-day click momentum
Magnesium Glycinate 400mg | Chelated Magnesium Glycinate for Maximum Absorption & Bioavailability | Calm Relaxation Muscle Health & Energy Support Supplement | Resealable Eco Pack | 60 Capsules
- Price
- £7.49
- Rating
- 4.3/5
- Reviews
- 31
- Age
- 11mo ago
Magnesium Citrate Capsules 1480mg | 444mg Elemental | 4 Months | Electrolytes & Hydration - Regular Daily Use | Magnesium Supplements for Women & Men | Not Powder or Tablets | VitaBright
- Price
- £12.88
- Rating
- 4.5/5
- Reviews
- 6,266
- Age
- 7y ago
Zipvit Magnesium Glycinate 2000mg with 400mg Elemental Plus Vitamin B6 120 Vegan Tablets High Strength Magnesium Supplements
- Price
- £7.91
- Rating
- 4.6/5
- Reviews
- 2,240
- Age
- 2y ago
VitaBright Magnesium Glycinate Supplements | 180 Capsules | 1500mg 300mg Elemental Mg | High Strength Chelated Magnesium Bisglycinate for Adults | Tablets for Nerves & Psychological Support
- Price
- £14.56
- Rating
- 4.6/5
- Reviews
- 4,507
- Age
- 3y ago
Magnesium Glycinate 400mg | Chelated Bisglycinate for Muscle Relaxation Bones Heart Nerve Rest & Calm Support for Women & Men | High Absorption Magnesium Chelate Supplement | 120 Capsules
- Price
- £10.64
- Rating
- 4.4/5
- Reviews
- 3,814
- Age
- 2y ago
Newest
by launch dateMagnesium Glycinate 400mg | Chelated Magnesium Glycinate for Maximum Absorption & Bioavailability | Calm Relaxation Muscle Health & Energy Support Supplement | Resealable Eco Pack | 60 Capsules
- Price
- £7.49
- Rating
- 4.3/5
- Reviews
- 31
- Age
- 11mo ago
Magnesium Glycinate 4-in-1 Complex - 400mg Elemental Mg - 180 Capsules
- Price
- £9.37
- Rating
- 4.6/5
- Reviews
- 3,717
- Age
- 1y ago
VitaBright Magnesium Glycinate Complex 6-in-1 | 2500mg 485mg Elemental | 120 Caps | Glycinate Tablets Zinc Vitamin B6 & D | High Strength Magnesium Supplements for Women | ZMA Supplements for Men
- Price
- £8.01
- Rating
- 4.6/5
- Reviews
- 2,454
- Age
- 2y ago
Magnesium Glycinate 400mg | Chelated Bisglycinate for Muscle Relaxation Bones Heart Nerve Rest & Calm Support for Women & Men | High Absorption Magnesium Chelate Supplement | 120 Capsules
- Price
- £10.64
- Rating
- 4.4/5
- Reviews
- 3,814
- Age
- 2y ago
Zipvit Magnesium Glycinate 2000mg with 400mg Elemental Plus Vitamin B6 120 Vegan Tablets High Strength Magnesium Supplements
- Price
- £7.91
- Rating
- 4.6/5
- Reviews
- 2,240
- Age
- 2y ago
Competition: brands, sellers & click share
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.
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%)
Mag demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Top Mag search terms shoppers use
The exact queries 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
What reviews say buyers love and hate about Mag
What buyers mention most, as a share of all reviews.
What buyers love
82% of reviews“sleep more deeply”
“the quality is always consistent”
“Best magnesium out there”
“EXCELLENT VALUE FOR MONEY”
“As Advertised”
What buyers complain about
62% of reviews“unable to sleep”
“It is not your ordinary magnesium”
“It does absolutely nothing”
“The dose is misleading”
“Caused severe stomach cramps”
Mag 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.
Common Mag questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
