Pharmaceutical food grade granular magnesium oxide


Pharmaceutical Food Grade Granular Magnesium Oxide is a high purity inorganic compound with the following properties:

White powder

Odorless and tasteless

Insoluble in water

Mainly used in pharmaceutical and food fields

Pharmaceutical applications

High doses of magnesium oxide have a laxative effect and are used to treat constipation.

Stomach Acid Inhibitor: Magnesium oxide is commonly used to treat digestive problems such as hyperacidity and heartburn. It works by neutralizing stomach acid.

Laxative: High doses of magnesium oxide have a laxative effect and are used to treat constipation.

Magnesium Supplement: Magnesium oxide is used as a supplement for magnesium, an essential mineral.

Magnesium Oxide – Pharma and Nutra
Food Nutritional Supplements

Food Applications

Acidity regulator: Magnesium oxide can be used to regulate the acidity of food, such as carbonated drinks and candies.

Anti-caking agent: It can also be used as an anti-caking agent to prevent particles in food from sticking together.

Nutritional fortifier: Magnesium oxide can be added to foods as a source of magnesium to enhance the nutritional value of the food.

Magnesium Oxide Food Grade
Food Clarifier

Production Process

Pharmaceutical food grade granular magnesium oxide is usually produced by the following process:

Precipitation: Magnesium hydroxide is reacted with carbon dioxide to form magnesium carbonate.

Calcination: Magnesium carbonate is calcined at high temperature to form magnesium oxide granules.

Grinding: Magnesium oxide particles are ground to the desired size.

Specification and Purity

Pharmaceutical food grade granular magnesium oxide must meet strict specifications and purity requirements, including:

Magnesium oxide content: 98.0% or above

Heavy metals: very low content of lead, mercury, arsenic and other heavy metals

Acid insoluble matter: very low content

Microorganisms: Compliance with Pharmacopoeia requirements


High purity and safety

Gastric acid inhibiting, laxative and magnesium supplementing effects

Multi-purpose use in food



High doses of magnesium oxide may cause diarrhea and electrolyte imbalance.

Magnesium oxide should be used with caution in individuals with kidney disease.

Pregnant and lactating women should consult a physician before using magnesium oxide.

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