Magnesium Citrate Powder Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Magnesium Citrate Powder sales on Amazon US totaled 332,300 units in July 2026 (▼ 6.1% vs. the prior month), generating an estimated $7,971,045 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 63.2% of unit volume and 66.8% of revenue, while a typical listing is priced at $22.67. The keyword itself pulled 14,627 Amazon queries over the same period (▲ 0.7% MoM).
Zooming out to the 12-month window ending July 2026, the magnesium citrate powder Top 50 moved 4,045,600 units and $98,369,919 in cumulative sales — an average of 337,133 units and $8,197,493 per month. Monthly throughput topped out at 364,000 units in October 2025 and dipped to 252,600 in May 2026, leaving the latest reading 5.9% lower than August 2025.
Magnesium Citrate Powder Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
332.3K
▼ 6.1% MoM
Monthly Revenue 2026/07
$8M
▼ 4.8% MoM
Top 10 Market Share 2026/07
63.2%
Magnesium Citrate Powder Market Share & Sales Concentration on Amazon US — July 2026
The most-sold magnesium citrate powder listing on Amazon US in July 2026 is ASIN B07P5K7DQP (Brand: Pure Encapsulations), which sold 100,000 units at $27.00 apiece — equal to 30.1% of every unit tracked in this report and 5.0× the volume of the No. 2 listing.
The Top 10 ASINs account for 210,000 units and $5,326,500 in July 2026 — 63.2% of unit volume and 66.8% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Magnesium Citrate Powder' on Amazon
July 2026
Is 63.2% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B07P5K7DQP
Pure Encapsulations Magnesium (Glycinate), 90 Capsules | Supplement to Support Stress Relief, Sleep, Heart Health, Nerves, Muscles, and Metabolism*, with Magnesium Glycinate
100K
▲ 0.0%vs. prior month
$2.7M
latest month
12-month trend
B00CU3SX4K
Nature Made Magnesium Citrate 250 mg per Serving, 120 Softgels | High Absorption Magnesium Supplements for Men and Women, Support for Muscle, Nerve, Bone and Heart, 60 Day Supply
20K
▲ 0.0%vs. prior month
$313.4K
latest month
12-month trend
B09R2DCRMY
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
20K
▼ 33.3%vs. prior month
$437.2K
latest month
12-month trend
B078KJLT6G
Natural Vitality Calm Magnesium Gummies | 330mg Per Serving | Raspberry Lemon Flavored Supplement | Gluten-Free & Vegan | 240 Count
10K
▲ 0.0%vs. prior month
$314K
latest month
12-month trend
B000OQ2DL4
Natural Vitality Calm, Magnesium Supplement, Anti-Stress Drink Mix Powder, Gluten Free, Vegan, & Non-GMO, Original Unflavored, 16 oz
10K
▲ 11.1%vs. prior month
$249.5K
latest month
12-month trend
B0014M1VII
NOW Supplements, Magnesium Citrate, Enzyme Function*, Nervous System Support*, 120 Veg Capsules
10K
▲ 0.0%vs. prior month
$78.4K
latest month
12-month trend
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Best Magnesium Citrate Powder Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Pure Encapsulations is the best-performing magnesium citrate powder brand in July 2026, moving 110,000 units across 2 ASINs for 52.4% of Top 10 volume. Nature Made follows with 20,000 units (9.5%), ahead of BIOptimizers on 20,000 units (9.5%).
With 8 brands splitting the Top 10 and 71.4% of volume sitting with three of them, this is a concentrated shelf — the leaders hold multiple listings or one very high-velocity ASIN, so a new entrant competes against established review moats rather than an open field. Average selling prices among the leaders run from $15.33 to $30.75, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Pure Encapsulations
2 ASINs in Top 10
52.4%
Units
110K
Revenue
$3M
Avg. price
$30.75
B07P5K7DQP
$27.00·★4.7·50.8K revsPure Encapsulations Magnesium (Glycinate), 90 Capsules | Supplement to Support Stress Relief, Sleep, Heart Health, Nerves, Muscles, and Metabolism*, with Magnesium Glycinate
Units sold100KB0017CRZIK
$34.50·★4.7·13.9K revsPure Encapsulations Magnesium (Citrate), 180 Capsules | Supplement for Sleep, Heart Health, Brain Health, Bone Health, Energy, Muscles, and Metabolism*, with Premium Magnesium
Units sold10K
Nature Made
1 ASIN in Top 10
9.5%
Units
20K
Revenue
$313.4K
Avg. price
$15.33
B00CU3SX4K
$15.33·★4.6·25.1K revsNature Made Magnesium Citrate 250 mg per Serving, 120 Softgels | High Absorption Magnesium Supplements for Men and Women, Support for Muscle, Nerve, Bone and Heart, 60 Day Supply
Units sold20K
BIOptimizers
1 ASIN in Top 10
9.5%
Units
20K
Revenue
$437.2K
Avg. price
$21.99
B09R2DCRMY
$21.99·★4.6·19K revsBIOptimizers 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
Units sold20K
Trending Magnesium Citrate Powder Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B000OQ2DL4 booked 10K units at $23.97, with ▲ 11.1% MoM change. On the growth side, B099GYT4RV leads positive momentum with ▲ 300.0% MoM growth on 4K units, with B0BB4MP7WF close behind at ▲ 100.0% MoM on 2K units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.
B000OQ2DL4
Natural Vitality Calm, Magnesium Supplement, Anti-Stress Drink Mix Powder, Gluten Free, Vegan, & Non-GMO, Original Unflavored, 16 oz
Price
$23.97
Rating
4.5
Reviews
11.7K
Latest month sales
B099GYT4RV
Natural Vitality Calm Magnesium Powder | Raspberry Lemon Flavored Supplement | Non-GMO, Vegan & Gluten Free Formula | 8oz
Price
$20.16
Rating
4.6
Reviews
566
Latest month sales
B0BB4MP7WF
Magnesium Citrate 1000mg - Max Absorption Magnesium Powder Capsules for Muscle, Nerve, and Heart Health Support - High Absorption Citrate Complex for Men & Women, Vegan, Bottled in USA - 240 Capsules
Unlock to view ASIN details and product titles
Price
$16.82
Rating
4.7
Reviews
4.2K
Latest month sales
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