Best Selling Magnesium Oxide 400+mg: See Top Product Rankings by Sales Volume & Market Trends

August 2026
137 Products Tracked

Looking for the most popular magnesium oxide 400+mg products in the market? Our report leverages real Amazon monthly sales data to identify the best-performing products and the fastest-growing opportunities within the search results for the keyword "magnesium oxide 400+mg." Whether you're searching for winning products to launch or monitoring market trends and competitor performance, this report provides the insights you need.

Based on monthly sales analytics, our Shoppers' Top Picks highlights that ASIN B0F5XYHRPV currently leads the magnesium oxide 400+mg market with 80K monthly sales, followed closely by B0058HWV9S with 70K monthly sales and B0B6CTYD6S with 60K monthly sales. Meanwhile, ASIN B0D92XKTCY stands out as the fastest-growing product, achieving an impressive 100.0% month-over-month sales growth. By tracking competitor sales performance and shifts in market demand, sellers can uncover emerging opportunities and make more informed product and marketing decisions.

🏆Shoppers' Top PicksAmazon
by monthly sales August 2026
THORNE Magnesium Glycinate, Chelated Magnesium Supplement, 90 Capsules | Supports Restful Sleep, Muscle Relaxation, Stress Management, Heart Health & Metabolism*, NSF Contents Certified
1
B0F5XYHRPV
$26.00·
4.7
Units/sold80K
Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief, Sleep, Heart Health, Nerves, Muscles, and Metabolism* - with Magnesium Glycinate - 180 Capsules | Supplement to Support Stress Relief, Sleep, Heart Health, Nerves, Muscles, and Metabolism*, with Magnesium Glycinate
2
B0058HWV9S
$46.50·
4.7
Units/sold70K
Magnesium Glycinate 400mg for Relaxation, Recovery + Mood, 180 Capsules | Highly Bioavailable Bisglycinate, Magnesium Supplement with 60mg Elemental Magnesium, Gentle on Stomach, Third-Party Tested
3
B0B6CTYD6S
$16.99·
4.7
Units/sold60K

Top Selling Magnesium Oxide 400+mg

As of August 2026, we analyzed 137 tracked products in Amazon's "magnesium oxide 400+mg" search results and generated the following sales chart and product rankings based on monthly sales data. The ranking below highlights the Top 10 products by estimated monthly sales. According to the latest data, these products generated between 20,000 and 80,000 monthly sales. B0F5XYHRPV leads the magnesium oxide 400+mg market with an estimated 80,000 monthly sales.

137Products Tracked
42,000Top 10 Avg. Sales
$23.43Top 10 Avg. Price
4.7Top 10 Avg. Rating
🏆
THORNE Magnesium Glycinate, Chelated Magnesium Supplement, 90 Capsules | Supports Restful Sleep, Muscle Relaxation, Stress Management, Heart Health & Metabolism*, NSF Contents Certified
#1
B0F5XYHRPV

THORNE Magnesium Glycinate, Chelated Magnesium Supplement, 90 Capsules | Supports Restful Sleep, Muscle Relaxation, Stress Management, Heart Health & Metabolism*, NSF Contents Certified

80,000
Units Sold/mo
$26.00
Price
4.7
Rating
3K
Reviews
2
Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief, Sleep, Heart Health, Nerves, Muscles, and Metabolism* - with Magnesium Glycinate - 180 Capsules | Supplement to Support Stress Relief, Sleep, Heart Health, Nerves, Muscles, and Metabolism*, with Magnesium Glycinate
B0058HWV9S
$46.50
4.7 (50.1K)
Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief, Sleep, Heart Health, Nerves, Muscles, and Metabolism* - with Magnesium Glycinate - 180 Capsules | Supplement to Support Stress Relief, Sleep, Heart Health, Nerves, Muscles, and Metabolism*, with Magnesium Glycinate
70,000 Units Sold/mo▼ 22.2%
3
Magnesium Glycinate 400mg for Relaxation, Recovery + Mood, 180 Capsules | Highly Bioavailable Bisglycinate, Magnesium Supplement with 60mg Elemental Magnesium, Gentle on Stomach, Third-Party Tested
B0B6CTYD6S
$16.99
4.7 (24.3K)
Magnesium Glycinate 400mg for Relaxation, Recovery + Mood, 180 Capsules | Highly Bioavailable Bisglycinate, Magnesium Supplement with 60mg Elemental Magnesium, Gentle on Stomach, Third-Party Tested
60,000 Units Sold/mo▼ 30.0%
4
Nature's Bounty Magnesium 500 mg Tablets, High Potency Magnesium Supplement for Bone & Muscle Health, Whole Body Support, 200 Count (Pack of 1)
B00H5PJ0HW
$7.47
4.7 (105.4K)
Nature's Bounty Magnesium 500 mg Tablets, High Potency Magnesium Supplement for Bone & Muscle Health, Whole Body Support, 200 Count (Pack of 1)
50,000 Units Sold/mo▼ 16.7%
5
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
B0CRY2SVPV
$29.97
4.6 (7K)
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
40,000 Units Sold/mo▼ 20.0%
10
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
B0D92XKTCY
$24.95
4.6 (1.5K)
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
20,000 Units Sold/mo▲ 100.0%
View All 137 Products & Deep InsightsGet full access to sales data, trends, and market analysis

For sellers and category managers benchmarking the magnesium oxide 400+mg price landscape, we segmented all 137 tracked listings in Amazon's live "magnesium oxide 400+mg" search results across the full price spectrum, and surfaced the top 3 price tiers by share below to highlight where competition concentrates and where pricing gaps exist.

Leading the distribution, the $10.00 ~ $20.00 band is the category's best magnesium oxide 400+mg price zone, absorbing 42% of the assortment (115 products) — this is where listing density is highest and where new entrants face the steepest competition for share-of-voice. Use the tier breakdown below to identify the top-ranking ASIN, monthly sales velocity, and rating profile within each band — essential inputs for pricing strategy, sourcing decisions, and competitive benchmarking in the magnesium oxide 400+mg category.

Top 3 Price Tiers

$10.00 ~ $20.00 is the most competitive price tier, containing 42% of tracked products.

Sweet Spot
$10.00 ~ $20.00
Tier 1
42%
115 products

Top products in this price tier

#1
B0F5XYHRPV
$26.00
80k Units Sold/mo
Unlock Top Performers
#2
$20.00 ~ $50.00
Tier 2
40%
109 products
$0.00 ~ $10.00
Tier 3
17%
47 products
$50.00 ~ $100.00
1%
Unlock to view all price tier distributions and their ASIN sales contributions

"Magnesium oxide 400+mg" Search Volume and Market Trends on Amazon

Amazon keyword search volume data for "magnesium oxide 400+mg" in the US marketplace. This report provides insights into keyword search volume, Amazon search trends, competition levels, and conversion efficiency for sellers and brands.

During the week of 2026-07-19 to 2026-07-25, the Amazon USweekly search volume for "magnesium oxide 400+mg" was approximately 531 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #347,108, climbing 4,856 positions from the previous week. Additionally, the top 3 products for this keyword capture 44.6% of the total click share and 38% of the conversion share, indicating the level of market concentration.

Amazon Search Term
Weekly

magnesium oxide 400+mg

ASINSIGHT
Search Frequency Rank
347,108
4,856
Search Volume
531
1.3%
Top 3 Click Share
44.6%
Top 3 Conv. Share
38%

Search Volume Trend

Past 3 Years
Past 4 Months
Recent 8 months
Weekly Search Volume
531
View full trends for the past 3 years
JulAugSepOctNovDecJanFebMarAprMayJunJul

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