INS 528
salts and related compoundsMagnesium Hydroxide
Halal
Is INS 528 (Magnesium Hydroxide) halal?
Generally accepted as halal. Typically derived from plant or synthetic sources with no prohibited ingredients.
What to do
Safe to buy. This additive is permissible under Islamic dietary law.
Where is INS 528 used?
INS (International Numbering System) codes are maintained by the Codex Alimentarius Commission and used on food labels in many countries outside the EU. You will commonly see INS 528 on packaging from:
In the EU and UK, the same additive appears as E528. The ingredient, halal status, and sourcing considerations are identical — only the labelling system differs.
EU / UK equivalent: E528
INS 528 and E528 refer to the same food additive — Magnesium Hydroxide. If you are checking a product purchased in the UK or Europe, look for E528 on the label instead.
See full E528 halal guide →About INS 528
Miscellaneous - alkalis
Sources / Derived From
- mineral (seawater or brucite ore)
Foods that commonly contain INS 528
Frequently Asked Questions
Is INS 528 (Magnesium Hydroxide) halal?
INS 528 (Magnesium Hydroxide) is classified as Halal. Generally accepted as halal. Typically derived from plant or synthetic sources with no prohibited ingredients.
What is INS 528 used for?
INS 528 is used as a acidity regulator and color retention agent in food products.
What is the difference between INS 528 and E528?
INS 528 and E528 are the same additive — Magnesium Hydroxide. INS numbers are used on food labels in Australia, New Zealand, Malaysia, Singapore, Indonesia, India, and GCC countries. The E-number system (E528) is used in EU and UK markets. The halal status is identical regardless of which label system is used.
What foods contain INS 528?
INS 528 (Magnesium Hydroxide) is commonly found in: some processed foods.
What is INS 528 made from?
INS 528 can be derived from: mineral (seawater or brucite ore).
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