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A 100 g pack with a 1.6 g comparison serve gives 62.5 calculation serves. This can be fractional; it is a cost calculation, not a promise of 62 full scoops plus a half.
FORMAT / POWDER / CHECKED 22 OCTOBER 2026
Powders measured by weight.
Powder labels use grams for the comparison serve and pack, while elemental magnesium is shown in milligrams. The calculation keeps these units separate.
BEFORE YOU COMPARE
Approximation carries through
Several single-ingredient powder sellers describe elemental magnesium as “about” or “roughly”. Their cost per 100 mg is correspondingly approximate.
Read other ingredients
Some powders have added vitamins, sweeteners or botanicals. A simple elemental price comparison does not capture those differences.
10 products shown
AUD · shipping excluded · no member discounts| Product / pack | Form | Label entry | Elemental Mg | Cost / 100 mg | Source |
|---|---|---|---|---|---|
| SUPER LYTEMagnesium Malate Powder100 g powder · $27.95Compared per 2.5 g powderLOWEST COST IN THIS VIEWRead the breakdown ↗ | malatepowder | 2,500 mgcompound weight | ≈375 mgbrand estimate | ≈$0.19elemental magnesium | LYTES ↗Checked 22 Oct 2026 |
| SUPER LYTEMagnesium Glycinate Powder100 g powder · $24.95Compared per 1.6 g powderLOWEST COST IN THIS VIEWRead the breakdown ↗ | glycinatepowder | 1,600 mgcompound weight | ≈208 mgbrand estimate | ≈$0.19elemental magnesium | LYTES ↗Checked 22 Oct 2026 |
| BlackmoresRecovery Magnesium Powder200 g powder · $39.99Compared per 5 g powderLOWEST COST IN THIS VIEWRead the breakdown ↗ | blendcitrate, glycinate | 320 mgalready elemental | 320 mgstated on label | $0.31elemental magnesium | Blackmores ↗Checked 22 Oct 2026 |
| Nutra-LifeMagnesium Glycinate High Strength Citrus180 g powder · $33.99Compared per 6 g powderLOWEST COST IN THIS VIEWRead the breakdown ↗ | glycinatepowder | 350 mgalready elemental | 350 mgstated on label | $0.32elemental magnesium | Chemist Warehouse ↗Checked 22 Oct 2026 |
| SUPER LYTEMagnesium Taurate Powder100 g powder · $33.95Compared per 1.5 g powderLOWEST COST IN THIS VIEWRead the breakdown ↗ | tauratepowder | 1,500 mgcompound weight | ≈133 mgbrand estimate | ≈$0.38elemental magnesium | LYTES ↗Checked 22 Oct 2026 |
| SUPER LYTEMagnesium Gluconate Powder100 g powder · $20.95Compared per 1.3 g powderLOWEST COST IN THIS VIEWRead the breakdown ↗ | gluconatepowder | 1,300 mgcompound weight | ≈70 mgbrand estimate | ≈$0.39elemental magnesium | LYTES ↗Checked 22 Oct 2026 |
| SwisseUltiboost High Strength Magnesium Powder180 g powder · $35.49Compared per 7.5 g powderLOWEST COST IN THIS VIEWRead the breakdown ↗ | blendcitrate, glycinate | 300 mgalready elemental | 300 mgstated on label | $0.49elemental magnesium | Swisse ↗Checked 22 Oct 2026 |
| BlackmoresSleep Sound Magnesium187.5 g powder · $44.99Compared per 7.5 g powderLOWEST COST IN THIS VIEWRead the breakdown ↗ | blendcitrate, glycinate | 320 mgalready elemental | 320 mgstated on label | $0.56elemental magnesium | Blackmores ↗Checked 22 Oct 2026 |
| ATP ScienceMagX4 Berry100 g powder · $39.95Compared per 2.5 g powderLOWEST COST IN THIS VIEWRead the breakdown ↗ | blendorotate, glycinate, threonate, citrate | 150 mgalready elemental | 150 mgstated on label | $0.67elemental magnesium | Nutrition Capital ↗Checked 22 Oct 2026 |
| Switch NutritionMag3 Magnesium L-Threonate60 g powder · $49.95Compared per 2 g powderLOWEST COST IN THIS VIEWRead the breakdown ↗ | threonatepowder | 2,000 mgcompound weight | 144 mgstated on label | $1.16elemental magnesium | Switch Nutrition ↗Checked 22 Oct 2026 |
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Blue marks the lowest unrounded cost in this view, not a health recommendation. Bars use a 500 mg display scale, not an intake target. “≈” carries the brand’s approximate elemental amount into the calculated cost. Prices may change.
Powder pack sizes and serving weights come from the linked selected variants.
Checked Best Magnesium source records