INS 421
thickeners, gelling agents, phosphates, humectants, emulsifiersMannitol
Halal
Is INS 421 (Mannitol) 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 421 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 421 on packaging from:
In the EU and UK, the same additive appears as E421. The ingredient, halal status, and sourcing considerations are identical — only the labelling system differs.
EU / UK equivalent: E421
INS 421 and E421 refer to the same food additive — Mannitol. If you are checking a product purchased in the UK or Europe, look for E421 on the label instead.
See full E421 halal guide →About INS 421
Sugar alcohols
Sources / Derived From
- glucose reduction (from seaweed or corn - plant)
Foods that commonly contain INS 421
Frequently Asked Questions
Is INS 421 (Mannitol) halal?
INS 421 (Mannitol) is classified as Halal. Generally accepted as halal. Typically derived from plant or synthetic sources with no prohibited ingredients.
What is INS 421 used for?
INS 421 is used as a sweetener, anti-caking agent and humectant in food products.
What is the difference between INS 421 and E421?
INS 421 and E421 are the same additive — Mannitol. INS numbers are used on food labels in Australia, New Zealand, Malaysia, Singapore, Indonesia, India, and GCC countries. The E-number system (E421) is used in EU and UK markets. The halal status is identical regardless of which label system is used.
What foods contain INS 421?
INS 421 (Mannitol) is commonly found in: sugar-free sweets, chewing gum, pharmaceuticals.
What is INS 421 made from?
INS 421 can be derived from: glucose reduction (from seaweed or corn - plant).
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