Magnesium Oxide

Roughly 60% elemental magnesium by weight, this is the most compact common form — efficient in capsules. Less soluble than chelated forms, it remains a standard way to round out daily magnesium intake.

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Specimen · Minerals

Magnesium Oxide

Ingredient Facts

Minerals

Serving range100 mg – 400 mg
Typical dose250 mg
Available inCapsules · Powder
DietaryVegan · Vegetarian · Gluten free · Caffeine free · Stimulant free
AllergensNone declared

Every amount declared.

Part of the reviewed catalog — every ingredient is checked for identity, regulatory status, quality documentation, and manufacturability before it can appear in the builder. Our ingredient standards

In practiceTypically blended at 250 mg per serving · available in capsules and powder · adds about $0.04 per serving in the builder (estimate).

Same substance, different forms

Other forms of Magnesium

Magnesium Aspartate

typ. 150 mg

Magnesium chelated to aspartic acid, an essential mineral form valued for its solubility and commonly included in muscle-, nerve-, and relaxation-support formulas.

Magnesium Carbonate

typ. 200 mg

A carbonate salt of magnesium — a concentrated, low-solubility source of the essential mineral that reacts with acids to effervesce, making it a common base for effervescent and mineral blends.

Magnesium Citrate

typ. 1.50 g

A soluble, citrus-derived form of magnesium that mixes well in water.

Magnesium Gluconate

typ. 500 mg

Magnesium bound to gluconic acid, an organic salt that dissolves readily in water.

Magnesium Glycinate

typ. 1.40 g

A gentle, well-tolerated chelated form of magnesium.

Magnesium L-Threonate

typ. 2 g

A form of magnesium chelated to L-threonate, a metabolite of vitamin C.

Magnesium Malate

typ. 1 g

Magnesium paired with malic acid, the tart organic acid found in apples.

Magnesium Orotate

typ. 1.50 g

The magnesium salt of orotic acid, a compound involved in nucleotide metabolism.

On your label

Supplement Facts

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Magnesium Oxide250 mg

Every amount declared.

Sourcing & testing

Backed by a certificate of analysis
Tested for identity, purity, and potency
Every amount declared on your label

Our ingredient standards

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More in Minerals

Manganese Gluconate Zinc Citrate Zinc Gluconate Zinc Glycinate All minerals

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Magnesium Oxide

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