INS 633
flavor enhancersCalcium Inosinate
Mushbooh (Questionable)
Is INS 633 (Calcium Inosinate) halal?
Source-dependent. May be derived from halal (plant/synthetic) or haram (animal) sources. Verify with the manufacturer or look for halal certification.
What to do
Don't assume. Ask the brand for halal certification or source information.
Where is INS 633 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 633 on packaging from:
In the EU and UK, the same additive appears as E633. The ingredient, halal status, and sourcing considerations are identical — only the labelling system differs.
EU / UK equivalent: E633
INS 633 and E633 refer to the same food additive — Calcium Inosinate. If you are checking a product purchased in the UK or Europe, look for E633 on the label instead.
See full E633 halal guide →About INS 633
A flavor enhancer. Calcium inosinate is a nucleotide commercially obtained from torula yeast cells. Torula yeast is grown on alcohol in USA to obtain nucleotide which mostly used in infant baby formula. In Europe if torula yeast grown on sugar cane and sodium inosinate is obtained from it then it is Halal otherwise it is not Halal.
⚠️ Verification Required
The halal status of INS 633 depends on its source. Always check for halal certification on the product packaging or contact the manufacturer directly.
Sources / Derived From
- same as E631
Foods that commonly contain INS 633
Frequently Asked Questions
Is INS 633 (Calcium Inosinate) halal?
INS 633 (Calcium Inosinate) is classified as Mushbooh (Questionable). Source-dependent. May be derived from halal (plant/synthetic) or haram (animal) sources. Verify with the manufacturer or look for halal certification.
What is INS 633 used for?
INS 633 is used as a flavour enhancer in food products.
What is the difference between INS 633 and E633?
INS 633 and E633 are the same additive — Calcium Inosinate. INS numbers are used on food labels in Australia, New Zealand, Malaysia, Singapore, Indonesia, India, and GCC countries. The E-number system (E633) is used in EU and UK markets. The halal status is identical regardless of which label system is used.
What foods contain INS 633?
INS 633 (Calcium Inosinate) is commonly found in: seasoning mixes, processed foods.
What is INS 633 made from?
INS 633 can be derived from: same as E631.
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