Magnesium Supplements
FailPrices span $3.44–$9.37, mostly outside the sweet spot, so Magnesium Supplements is a Fail.
- Flapen Score
- 44 / 100Ranks 1,348 of 2,035 Health & Personal Care niches · −4 vs the category median of 4844
- Market size
- £4.8M/yr4.6M searches / yr
- 90-day growth
- -28.8%search demand this quarter
- Competition
- 93%top-5 click share · 7 brands · 35 sellers
Flapen Score
Magnesium Supplements against its category
The dotted line is the Health & Personal Care average. Past it, Magnesium Supplements is stronger. Inside it, weaker.
Market
The Magnesium Supplements market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Magnesium Supplements 4.6M times last year and spent an estimated £4.8M. The top 5 brands take 93% of clicks. Demand peaks in Jan. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 14.8% of those searches ended in a purchase.
Shoppers searched for this 4.6M times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 14.8% of those searches ended in a purchase. Searches in the last 90 days moved -28.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated £4.8M a year.
- Searches, last 12 months
- 4.6M
- Growth, 90 days vs prior 90
- -28.8%
- Conversion, latest week
- 14.8%
- Market size, estimated
- £4.8Ma year
- Peak month
- January1.7× the quietest month
- Top search term
- magnesium2.2M searches a year
02 · Price
A sale here is worth £6.94.
Listings sell for £6.94 on average, from £3.44 to £9.37. Amazon reports units sold in ranges. This niche sold 600K to 800K a year. The average listing sells 100,000 to 125,000 of them. At £6.94 that is £694K to £868K a year per listing.
- Average price
- £6.94under the $15 to $100 sweet spot
- Price range
- £3.44–£9.37
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 600K–800K
- Units per listing a year
- 100,000–125,000
- Revenue per listing a year
- £694K–£868K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
86% 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 #8 within Herbal Supplements. It carries 9,416 reviews at 4.54 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 86%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #8in Herbal Supplements
- Average rating
- 4.54 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 9,416per listing
- Listings tracked
- 7
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 46 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 46 months
Products
Top Magnesium Supplements products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 25, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
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

Magnesium Supplements Tablets
- Price
- £3.44
- Rating
- 4.6/5
- Reviews
- 5,535
- Age
- 12y ago

Magnesium Glycinate 4-in-1 Complex | 1283mg Bisglycinate Citrate Malate & 2000mg Turmeric & Black Pepper | 385mg Elemental High Absorption Magnesium Supplements | 90 Tablets | UK Made | Free Soul
- Price
- £7.24
- Rating
- 4.4/5
- Reviews
- 3,230
- Age
- 1y ago

Magnesium Glycinate 3-in-1 Complex 2000mg | Magnesium Glycinate Malate & Citrate with Vitamin B6 | 120 Capsules - 2 Months Supply | High Absorption | No Fillers or Binders | 3rd Party Tested
- Price
- £6.32
- Rating
- 4.6/5
- Reviews
- 648
- Age
- 9mo ago

Zipvit Magnesium 500mg of Elemental High-Strength Magnesium Supplement 3 Month Supply 90 Vegan Tablets Supports Muscle Bone & Energy
- Price
- £6.09
- Rating
- 4.5/5
- Reviews
- 14,532
- Age
- 9y ago
Trending
estimated 90-day click momentum
Magnesium Glycinate 3-in-1 Complex 2000mg | Magnesium Glycinate Malate & Citrate with Vitamin B6 | 120 Capsules - 2 Months Supply | High Absorption | No Fillers or Binders | 3rd Party Tested
- Price
- £6.32
- Rating
- 4.6/5
- Reviews
- 648
- Age
- 9mo ago

Magnesium Supplements Tablets
- Price
- £3.44
- Rating
- 4.6/5
- Reviews
- 5,535
- Age
- 12y 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

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

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
Newest
by launch date
Magnesium Glycinate 3-in-1 Complex 2000mg | Magnesium Glycinate Malate & Citrate with Vitamin B6 | 120 Capsules - 2 Months Supply | High Absorption | No Fillers or Binders | 3rd Party Tested
- Price
- £6.32
- Rating
- 4.6/5
- Reviews
- 648
- Age
- 9mo 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

Magnesium Glycinate 4-in-1 Complex | 1283mg Bisglycinate Citrate Malate & 2000mg Turmeric & Black Pepper | 385mg Elemental High Absorption Magnesium Supplements | 90 Tablets | UK Made | Free Soul
- Price
- £7.24
- Rating
- 4.4/5
- Reviews
- 3,230
- 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 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
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 93% of clicks. A locked shelf that new listings rarely crack.
Brands
7 falling
Sellers
35
Est. top-5 brand share
93%
Top 20: 100%
Est. top-5 click share
93%
Top 20: 100%
Open market
3%
- Nutrition Geeks65%
- Vitabiotics Ultra13%
- Free Soul5%
- Nutrivo5%
- Zipvit5%
- WeightWorld3%
- Open — no brand owns it (1 brand, 3%)
Demand
Magnesium Supplements search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan · busiest ÷ quietest = 1.7×
Search terms
Top Magnesium Supplements search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- magnesium2.2M/yr
- magnesium glycinate 3-in-1815K/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
- magnesium sleep48K/yr
- glycinate 3 in 134K/yr
Reviews and returns
What reviews say buyers love and hate about Magnesium Supplements
We read the reviews and the return reasons for every product selling here.
“No sleep”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Magnesium Supplements questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









