Magnesium
MaybeAn estimated 0.0% of orders come back. But the average product has 23,930 reviews to catch up to, so Magnesium is a Maybe.
- Flapen Score
- 52 / 100Top 36% of 14,768 Health & Household niches · +3 vs the category median of 4952
- Market size
- $2.2M/yr4.4M searches / yr
- 90-day growth
- -5.9%search demand this quarter
- Competition
- 62%top-5 click share · 14 brands · 110 sellers
Flapen Score
Magnesium against its category
The dotted line is the Health & Household average. Past it, Magnesium is stronger. Inside it, weaker.
Market
The Magnesium market on Amazon at a glance
Shoppers on Amazon United States searched for Magnesium 4.4M times last year and spent an estimated $2.2M. The top 5 brands take 79% of clicks. Demand peaks in Aug–Sep. Flapen scores it 52 out of 100, a Maybe.
01 · Demand
An estimated 2.8% of those searches ended in a purchase.
Shoppers searched for this 4.4M times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.8% of those searches ended in a purchase. Searches in the last 90 days moved -5.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $2.2M a year.
- Searches, last 12 months
- 4.4M
- Growth, 90 days vs prior 90
- -5.9%
- Conversion, latest week
- 2.8%
- Market size, estimated
- $2.2Ma year
- Peak month
- September2.6× the quietest month
- Top search term
- mag1.8M searches a year
02 · Price
A sale here is worth $17.86.
Listings sell for $17.86 on average, from $4.10 to $45.01. Amazon reports units sold in ranges. This niche sold 200K to 250K a year. The average listing sells 12,500 to 15,000 of them. At $17.86 that is $223K to $268K a year per listing.
- Average price
- $17.86inside the $15 to $100 sweet spot
- Price range
- $4.10–$45.01
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 200K–250K
- Units per listing a year
- 12,500–15,000
- Revenue per listing a year
- $223K–$268K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
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 #60 within Magnesium. It carries 23,930 reviews at 4.66 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
- #60in Magnesium
- Average rating
- 4.66 starsAmazon United States average 4.42 stars
- Average reviews
- 23,930per listing
- Listings tracked
- 24
04 · Newcomers
3 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 3 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 58 months on average, so the names here are settling in.
- Launched, last 12 months
- 3
- Successful launches
- 3Amazon's first-year sales bar
- Average brand age
- 58 months
Products
Top Magnesium 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 28, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Natures Bounty Magnesium 500 mg Tablets High Potency Magnesium Supplement for Bone & Muscle Health Whole Body Support 200 Count (Pack of 1)
- Price
- $8.74
- Rating
- 4.7/5
- Reviews
- 105,290
- Age
- 12y ago

Nature Made Magnesium Oxide 250 mg for Muscle Relaxation 200 Tablets
- Price
- $6.80
- Rating
- 4.7/5
- Reviews
- 34,776
- Age
- 27y ago

Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief Sleep Heart Health Nerves Muscles and Metabolism* - with Magnesium Glycinate - 90 Capsules
- Price
- $26.10
- Rating
- 4.7/5
- Reviews
- 49,969
- Age
- 18y ago

Nature Made Magnesium 250mg 100 Tablets
- Price
- $4.10
- Rating
- 4.7/5
- Reviews
- 27,696
- Age
- 27y ago

BIOptimizers Magnesium Breakthrough Supplement with 500mg - 7 Forms of Magnesium: Glycinate Malate Citrate and More - Natural Support for Sleep and Cognitive Function -30 Capsules- Calming Vitamins
- Price
- $20.61
- Rating
- 4.6/5
- Reviews
- 18,865
- Age
- 4y ago
Trending
estimated 90-day click momentum
Magnesium Complex for Women | Glycinate Citrate & More 20-in-1 Formula with D3 K2 (MK-7) B6 (as P5P) & Ashwagandha | 240 Vegetarian Capsules Filler Free Non-GMO
- Price
- $23.46
- Rating
- 4.6/5
- Reviews
- 247
- Age
- 9mo ago

Magnesium Complex for Women & Men 500mg (7-in-1) Magnesium Glycinate with Vegan D3 B6 and Manganese (Made In USA) + Gluconate Citrate Malate Taurate Orotate Carbonate (Oxide-Free) Small Capsule
- Price
- $26.28
- Rating
- 4.6/5
- Reviews
- 402
- Age
- 4mo ago

Magnesium Complex Supplement 8 Elemental 1000mg - Magnesium Glycinate Citrate Malate Taurate Chelated for Easy Absorption for Bones Muscle Recovery Energy Vegan Non-GMO 90 Capsules
- Price
- $28.46
- Rating
- 4.6/5
- Reviews
- 6,948
- Age
- 2y ago

Magnesium Glycinate 500mg | High Absorption | Sleep Muscle Bone Heart Health & Relaxation Support for Women & Men | Chelated Mag Glycinate | Magnesium Supplement | Vegan & Non-GMO | 120 Capsules
- Price
- $15.15
- Rating
- 4.6/5
- Reviews
- 6,787
- Age
- 2y ago

Spectrum 5 Magnesium | 5-in-1 Complex + 72 Trace Minerals for Enhanced Absorption | Irish Sea Sourced | 500mg per Serving | Made in USA Third Party Tested GMP Certified
- Price
- $24.43
- Rating
- 4.6/5
- Reviews
- 1,392
- Age
- 2y ago
Newest
by launch date
Magnesium Complex for Women & Men 500mg (7-in-1) Magnesium Glycinate with Vegan D3 B6 and Manganese (Made In USA) + Gluconate Citrate Malate Taurate Orotate Carbonate (Oxide-Free) Small Capsule
- Price
- $26.28
- Rating
- 4.6/5
- Reviews
- 402
- Age
- 4mo ago

Natures Bounty Magnesium Supplements 500mg Tablets Support Bone & Muscle Health 200 Count (Pack of 2)
- Price
- $16.23
- Rating
- 4.7/5
- Reviews
- 105,290
- Age
- 8mo ago

Magnesium Complex for Women | Glycinate Citrate & More 20-in-1 Formula with D3 K2 (MK-7) B6 (as P5P) & Ashwagandha | 240 Vegetarian Capsules Filler Free Non-GMO
- Price
- $23.46
- Rating
- 4.6/5
- Reviews
- 247
- Age
- 9mo ago

Magnesium Complex 700mg | 12-in-1 High Absorption Supplement | Glycinate Citrate Malate Taurate & More | Sleep Support Muscle Cramp Relief Stress Heart Bone & Nerve Health | 120 Vegan Capsules
- Price
- $10.13
- Rating
- 4.6/5
- Reviews
- 2,810
- Age
- 1y ago

THORNE - Magnesium Glycinate - Supports Restful Sleep Muscle Relaxation Heart Health & Metabolism* - Chelated Magnesium Capsules - Third-Party Certified - Gluten Dairy & Soy-Free - 90 Servings
- Price
- $25.39
- Rating
- 4.7/5
- Reviews
- 2,847
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 62% of clicks. Leaders hold, but buyers still shop past them.
Brands
14 rising
Sellers
110
Est. top-5 brand share
79%
Top 20: 100%
Est. top-5 click share
62%
Top 20: 94%
Open market
17%
- Nature's Bounty32%
- Nature Made27%
- Pure Encapsulations11%
- Nobi Nutrition5%
- BIOptimizers4%
- Nutricost3%
- Open — no brand owns it (8 brands, 17%)
Demand
Magnesium search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Aug, Sep · busiest ÷ quietest = 2.6×
Search terms
Top Magnesium search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- mag1.8M/yr
- magnesium supplement844K/yr
- magn372K/yr
- magnesium for women115K/yr
- magnesium sleep143K/yr
- magnesium supplement for women84K/yr
- magnesium pills72K/yr
- magnecio56K/yr
- magnesium for constipation63K/yr
- magnesium 250 mg59K/yr
Reviews and returns
What reviews say buyers love and hate about Magnesium
We read the reviews and the return reasons for every product selling here.
“Low magnesium”
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 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









