Best Selling 400 Mg Magnesium: See Top Product Rankings by Sales Volume & Market Trends
Looking for the most popular 400 mg magnesium 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 "400 mg magnesium." 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 B07P5K7DQP currently leads the 400 mg magnesium market with 100K monthly sales, followed closely by B0B6CTYD6S with 100K monthly sales and B0058HWV9S with 90K monthly sales. Meanwhile, ASIN B00H5PJ0HW 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.
Top Selling 400 Mg Magnesium
As of July 2026, we analyzed 133 tracked products in Amazon's "400 mg magnesium" 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 30,000 and 100,000 monthly sales. B07P5K7DQP leads the 400 mg magnesium market with an estimated 100,000 monthly sales.
Pure Encapsulations Magnesium (Glycinate) - Supplement to Support Stress Relief, Sleep, Heart Health, Nerves, Muscles, and Metabolism* - with Magnesium Glycinate - 90 Capsules
For sellers and category managers benchmarking the 400 mg magnesium price landscape, we segmented all 133 tracked listings in Amazon's live "400 mg magnesium" 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 $20.00 ~ $50.00 band is the category's best 400 mg magnesium price zone, absorbing 45% of the assortment (139 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 400 mg magnesium category.
Top 3 Price Tiers
$20.00 ~ $50.00 is the most competitive price tier, containing 45% of tracked products.
Top products in this price tier
"400 mg magnesium" Search Volume and Market Trends on Amazon
Amazon keyword search volume data for "400 mg magnesium" 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 2026-06-21 to 2026-06-27, the Amazon USweekly search volume for "400 mg magnesium" was approximately 197 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #893,777, dropping 101,839 positions from the previous week. Additionally, the top 3 products for this keyword capture 51% of the total click share and 45.9% of the conversion share, indicating the level of market concentration.
400 mg magnesium
Search Volume Trend
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