Stauber is the leading distributor of Magnesium Oxide from Japan.  This high purity magnesium is derived from seawater and is available in various grades of both powder and granular form.


Konoshima’s STARMAG Magnesium Oxide is a high purity magnesium that is extracted from seawater.  Several grades of STARMAG are available with varying levels of moisture content, bulk density, magnesium content and loss on ignition.  It is a relatively dense mineral material in powder or granular form and color is typically white to very light pink.  This ingredient is primarily used in dietary supplements for the use of mineral fortification.


Magnesium is essential for all biological functions

On average, 30% of the Magnesium we consume from food is actually absorbed, so supplementation is essential

Magnesium Oxide has the highest percentage (58%) of Mg compared to all other Magnesium salts

Mg Oxide has a neutral taste and delivers high levels of magnesium fortification

Magnesium Oxide is bright white in appearance

STAUBER supplies many different densities as powder, granular, and coated, for use in a wide array of finished product applications

Our Magnesium Oxide is GRAS approved and comes in a variety of quality levels

MgO is widely used in dietary supplements, primarily in tablets, but it can also be used a number of other applications

sea of Japan, source of magnesium oxide

Learn more about our Magnesium Oxide Partners:

konoshima smaller logo 2

Superior-quality mineral manufacturer supplying Magnesium Oxide, Magnesium Carbonate and Magnesium Hydroxide.

Tomita Smaller

Tomita is a high-quality manufacturer of Magnesium compounds and Gluconates.

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