Kids Magnesium Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Kids Magnesium sales on Amazon US totaled 281,300 units in July 2026 (▼ 12.9% vs. the prior month), generating an estimated $7,976,787 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 68.3% of unit volume and 75.9% of revenue, while a typical listing is priced at $22.31. The keyword itself pulled 25,015 Amazon queries over the same period (▲ 21.3% MoM).
Zooming out to the 12-month window ending July 2026, the kids magnesium Top 50 moved 3,231,550 units and $88,250,802 in cumulative sales — an average of 269,296 units and $7,354,234 per month. Monthly throughput topped out at 322,900 units in June 2026 and dipped to 172,000 in May 2026, leaving the latest reading 14.1% higher than August 2025.
Kids Magnesium 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
281.3K
▼ 12.9% MoM
Monthly Revenue 2026/07
$8M
▼ 11.6% MoM
Top 10 Market Share 2026/07
68.3%
Kids Magnesium Market Share & Sales Concentration on Amazon US — July 2026
The most-sold kids magnesium listing on Amazon US in July 2026 is ASIN B0058HWV9S (Brand: Pure Encapsulations), which sold 70,000 units at $46.50 apiece — equal to 24.9% of every unit tracked in this report and 2.3× the volume of the No. 2 listing.
The Top 10 ASINs account for 192,000 units and $6,054,600 in July 2026 — 68.3% of unit volume and 75.9% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Kids Magnesium' on Amazon
July 2026
Is 68.3% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown
B0058HWV9S
Pure Encapsulations Magnesium (Glycinate), 180 Capsules | Supplement to Support Stress Relief, Sleep, Heart Health, Nerves, Muscles, and Metabolism*, with Magnesium Glycinate
70K
▼ 22.2%vs. prior month
$3.3M
latest month
12-month trend
B000BD0RT0
Doctor's Best High Absorption Magnesium Glycinate Lysinate, 240 Count | Supplement for Sleep Support, Chelated Magnesium Tablets for Women & Men, 200mg per Serving, Calm & Relaxation Support, Vegan
30K
▼ 25.0%vs. prior month
$699.3K
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
B0DDK4XJ7Z
Magnesium Glycinate Gummies for Adults & Kids 4+, Sugar Free Magnesium Bisglycinate Supplement 400/200mg with B6D3, L-Theanine for Sleep & Relaxation, Brain, Muscle, Melatonin Free Gummies,1Pack
20K
▲ 0.0%vs. prior month
$399.8K
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
B0CXM73KFT
Magnesium Glycinate Gummies for Adults & Kids 4+, Sugar Free Magnesium Bisglycinate Supplement 400/200mg with B6D3, L-Theanine for Sleep & Relaxation, Brain, Muscle, Melatonin Free Gummies,2Pack
10K
▲ 0.0%vs. prior month
$358.5K
latest month
12-month trend
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Best Kids Magnesium Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Pure Encapsulations is the best-performing kids magnesium brand in July 2026, moving 70,000 units across 1 ASIN for 36.5% of Top 10 volume. Doctor's BEST follows with 30,000 units (15.6%), ahead of NEVISS on 30,000 units (15.6%).
With 9 brands splitting the Top 10 and 67.7% 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 $23.99 to $46.50, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Pure Encapsulations
1 ASIN in Top 10
36.5%
Units
70K
Revenue
$3.3M
Avg. price
$46.50
B0058HWV9S
$46.50·★4.7·50.9K revsPure Encapsulations Magnesium (Glycinate), 180 Capsules | Supplement to Support Stress Relief, Sleep, Heart Health, Nerves, Muscles, and Metabolism*, with Magnesium Glycinate
Units sold70K
Doctor's BEST
1 ASIN in Top 10
15.6%
Units
30K
Revenue
$699.3K
Avg. price
$23.99
B000BD0RT0
$23.99·★4.6·76.3K revsDoctor's Best High Absorption Magnesium Glycinate Lysinate, 240 Count | Supplement for Sleep Support, Chelated Magnesium Tablets for Women & Men, 200mg per Serving, Calm & Relaxation Support, Vegan
Units sold30K
NEVISS
2 ASINs in Top 10
15.6%
Units
30K
Revenue
$758.3K
Avg. price
$28.35
B0DDK4XJ7Z
$20.88·★4.5·1.5K revsMagnesium Glycinate Gummies for Adults & Kids 4+, Sugar Free Magnesium Bisglycinate Supplement 400/200mg with B6D3, L-Theanine for Sleep & Relaxation, Brain, Muscle, Melatonin Free Gummies,1Pack
Units sold20KB0CXM73KFT
$35.83·★4.6·1.3K revsMagnesium Glycinate Gummies for Adults & Kids 4+, Sugar Free Magnesium Bisglycinate Supplement 400/200mg with B6D3, L-Theanine for Sleep & Relaxation, Brain, Muscle, Melatonin Free Gummies,2Pack
Units sold10K
Trending Kids Magnesium 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: B0FBGJC1BM booked 7K units at $19.99, with ▲ 16.7% MoM change. On the growth side, B0GTN1JNP1 leads positive momentum with ▲ 200.0% MoM growth on 3K units, with B0CJ647S9B close behind at ▲ 150.0% MoM on 1K 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.
B0FBGJC1BM
Kids Sleep Gummies - Magnesium Glycinate Gummies, Melatonin Free Sleep Aid | Magnesium, Calcium, D3, B6, L Theanine | Kid Melatonin Alternative for Restful Sleep (Pack of 1)
Price
$19.99
Rating
4.7
Reviews
576
Latest month sales
B0GTN1JNP1
OLLY Kids Melatonin Free Sleep, Magnesium & L-Theanine, Peach - 50 Count | Kids Support, Magnesium & L-Theanine, Melatonin Free, Gluten Free, No Synthetic Colors, No Synthetic Flavors
Price
$13.99
Rating
4.1
Reviews
95
Latest month sales
B0CJ647S9B
Nordic Naturals Kids Calm Gummies, Magnesium L-Theanine - 60 Gummies | Calming & Relaxation Support for Kids. Strawberry Watermelon Flavor. Up to 60 Servings. Natural Stress Relief Supplement.
Unlock to view ASIN details and product titles
Price
$24.61
Rating
4.4
Reviews
343
Latest month sales
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