Natural Field Co., Ltd. is one of the leading manufacturers and suppliers of magnesium oxide pure powder in China. With abundant experience, we warmly welcome you to wholesale bulk discount magnesium oxide pure powder from our factory. Quality products and reasonable price are available.
Magnesium Oxide Pure Powder (Heavy Grade) is a high-purity magnesium oxide product, ideal for use in nutraceutical formulations, dietary supplements, and fortified food products.With 99.56% assay and low impurities, it is widely used in formulations designed to address magnesium deficiencies, bone health, and muscle function. making it suitable for both consumer supplements and industrial applications requiring high-purity magnesium.
Unlike lighter magnesium oxide grades, this powder has low reactivity and high stability, making it ideal for long-term storage and use in industrial applications.

Technical Specifications Comparison Table (Multiple Variants)
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Item |
Specification |
Result |
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|
Assay (MgO) |
96.0%–100.5% |
99.56% |
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|
Appearance |
White powder |
Conforms |
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|
Loss on Ignition |
≤8.0% |
1.59% |
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|
Bulk Density |
≥0.25 g/ml |
0.71 g/ml |
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|
Acid Insoluble Substances |
≤0.10% |
0.01% |
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|
Heavy Metals |
≤10 ppm |
Conforms |
|||
|
Microbiology |
≤1000 cfu/g |
Conforms |
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|
Download COA |
To view detailed results and experimental data, you can click here to contact us for the full report. Download the Full | ||||
Key Features & Benefits
High Assay Purity
Tested at 99.56% (on anhydrous basis), ensuring superior purity, making it ideal for use in high-quality magnesium supplements.
Controlled Bulk Density
The bulk density of 0.71 g/ml ensures precise handling and optimal blending in supplement formulations.
Low Impurity Profile
With acid-insoluble substances as low as 0.01% and minimal heavy metal content, it guarantees cleaner formulations for health products.
Functional Applications

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Nutritional Supplements
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Magnesium oxide is widely used in the dietary supplement market, especially for magnesium formulations.
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Capsules and tablets containing magnesium oxide for daily supplementation.
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Powdered magnesium drink formulations for easier absorption.
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Functional Foods
Available Forms

Magnesium Oxide Pure Powder (Heavy Grade) is available in various packaging sizes and specifications to meet your production needs:
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Magnesium Oxide Pure Powder (Heavy Grade)
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Custom particle size options
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Bulk packaging (25kg, 1000kg)
Why Choose Natural Field
Certified Manufacturing
Our products are manufactured in facilities that are ISO and HACCP certified, ensuring the highest standards.
Scalable Supply
We provide flexible and reliable bulk supply to meet your large-volume needs.
Global Reach
With a strong global network, we ensure consistent product availability and timely deliveries to customers worldwide.

FAQ
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