Sundown Magnesium 500mg
FailThe top 5 brands take 100% of clicks, so Sundown Magnesium 500mg is a Fail.
- Flapen Score
- 37 / 100Ranks 13,285 of 14,768 Health & Household niches · −12 vs the category median of 4937
- Market size
- $323K/yr256K searches / yr
- 90-day growth
- +5.1%search demand this quarter
- Competition
- 96%top-5 click share · 3 brands · 43 sellers
Flapen Score
Sundown Magnesium 500mg against its category
The dotted line is the Health & Household average. Past it, Sundown Magnesium 500mg is stronger. Inside it, weaker.
Market
The Sundown Magnesium 500mg market on Amazon at a glance
Shoppers on Amazon United States searched for Sundown Magnesium 500mg 256K times last year and spent an estimated $323K. All 3 brands take every click. Demand peaks in Jul. Flapen scores it 37 out of 100, a Fail.
01 · Demand
An estimated 12.5% of those searches ended in a purchase.
Shoppers searched for this 256K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.5% of those searches ended in a purchase. Searches in the last 90 days moved +5.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $323K a year.
- Searches, last 12 months
- 256K
- Growth, 90 days vs prior 90
- +5.1%
- Conversion, latest week
- 12.5%
- Market size, estimated
- $323Ka year
- Peak month
- July1.8× the quietest month
- Top search term
- magnesium 500mg61K searches a year
02 · Price
A sale here is worth $10.12.
Listings sell for $10.12 on average, from $5.55 to $16.23. Amazon reports units sold in ranges. This niche sold 40K to 50K a year. The average listing sells 6,000 to 8,000 of them. At $10.12 that is $61K to $81K a year per listing.
- Average price
- $10.12under the $15 to $100 sweet spot
- Price range
- $5.55–$16.23
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 40K–50K
- Units per listing a year
- 6,000–8,000
- Revenue per listing a year
- $61K–$81K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
83% 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 #147 within Magnesium. It carries 39,565 reviews at 4.68 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 83%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #147in Magnesium
- Average rating
- 4.68 starsAmazon United States average 4.42 stars
- Average reviews
- 39,565per listing
- Listings tracked
- 6
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 65 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 65 months
Products
Top Sundown Magnesium 500mg 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

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

Natures Bounty Magnesium Mineral Supplement Supports Bone and Muscle Health 500 mg Coated Tablets 100 Count
- Price
- $5.55
- Rating
- 4.7/5
- Reviews
- 1,640
- Age
- 27y ago

Natures Bounty High Absorption Magnesium Glycinate 240 mg for Supporting Muscle Relaxation and Bone Heart & Nerve Health Non-GMO Gluten-Free Vegetarian 120 Count/60 Servings
- Price
- $15.65
- Rating
- 4.7/5
- Reviews
- 5,675
- Age
- 1y ago

Life Extension Magnesium Caps 500 mg Magnesium Oxide Citrate and Succinate Heart Health Healthy Bones Metabolism Support 100 Vegetarian Capsules
- Price
- $8.38
- Rating
- 4.7/5
- Reviews
- 16,772
- Age
- 22y ago
Trending
estimated 90-day click momentum
Natures Bounty High Absorption Magnesium Glycinate 240 mg for Supporting Muscle Relaxation and Bone Heart & Nerve Health Non-GMO Gluten-Free Vegetarian 120 Count/60 Servings
- Price
- $15.65
- Rating
- 4.7/5
- Reviews
- 5,675
- Age
- 1y 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

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

Natures Bounty Magnesium Mineral Supplement Supports Bone and Muscle Health 500 mg Coated Tablets 100 Count
- Price
- $5.55
- Rating
- 4.7/5
- Reviews
- 1,640
- Age
- 27y ago

Horbach Magnesium 500mg | 180 Caplets
- Price
- $6.19
- Rating
- 4.6/5
- Reviews
- 2,722
- Age
- 3y ago
Newest
by launch date
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

Natures Bounty High Absorption Magnesium Glycinate 240 mg for Supporting Muscle Relaxation and Bone Heart & Nerve Health Non-GMO Gluten-Free Vegetarian 120 Count/60 Servings
- Price
- $15.65
- Rating
- 4.7/5
- Reviews
- 5,675
- Age
- 1y ago

Horbach Magnesium 500mg | 180 Caplets
- Price
- $6.19
- Rating
- 4.6/5
- Reviews
- 2,722
- Age
- 3y ago

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

Life Extension Magnesium Caps 500 mg Magnesium Oxide Citrate and Succinate Heart Health Healthy Bones Metabolism Support 100 Vegetarian Capsules
- Price
- $8.38
- Rating
- 4.7/5
- Reviews
- 16,772
- Age
- 22y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 96% of clicks. A locked shelf that new listings rarely crack.
Brands
3 flat
Sellers
43
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
96%
Top 20: 100%
Open market
0%
- Nature's Bounty93%
- Life Extension4%
- Horbäach4%
Demand
Sundown Magnesium 500mg search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jul · busiest ÷ quietest = 1.8×
Search terms
Top Sundown Magnesium 500mg search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- magnesium 500mg61K/yr
- natures bounty magnesium36K/yr
- magnesium 500 mg24K/yr
- magnesium 50021K/yr
- magnesium natures bounty17K/yr
- 500 mg magnesium12K/yr
- magnesium 500 mg tablets12K/yr
- magnesium 500mg capsules9K/yr
- magnesium capsules 500mg9K/yr
- natures bounty magnesium 500mg9K/yr
Reviews and returns
What reviews say buyers love and hate about Sundown Magnesium 500mg
We read the reviews and the return reasons for every product selling here.
“I tend to get low on 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.
18 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 Sundown Magnesium 500mg 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









