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Is E627 halal or haram?

Disodium guanylate · Flavour enhancer

SuspectLast reviewed: April 2026

E627 (Disodium guanylate) is generally classified as suspect (mashbooh). Often derived from fish or yeast; can come from meat by-products. Frequently paired with E631. Verify source.

What is E627?

E627, listed on labels as Disodium guanylate, is a flavour enhancer that boosts the savoury (umami) taste. You'll most often find it in packaged and processed foods.

Is E627 halal? The verdict

E627 is mashbooh (doubtful). Often derived from fish or yeast; can come from meat by-products. Frequently paired with E631. Verify source. Manufacturers aren't required to print the source on the label, so unless the pack states a plant/vegetable source or carries a recognised halal certification (HMC, JAKIM, MUI, IFANCA), the safest choice is to avoid it.

How to check E627 on a label

Scan the ingredient list for E627 and its other names. If it's present and the source isn't stated, treat the product as doubtful. A barcode or photo scan with Halal Food AI flags E627 automatically and tells you whether the product declares a halal source.

Other names & label terms to scan for

  • Disodium guanylate
  • Disodium 5-guanylate
  • Flavour enhancer 627
  • INS 627
  • E627

Bottom line

E627 is doubtful (mashbooh) — avoid unless the source is stated as halal or the product is halal-certified.

Stop guessing in the aisle

Halal Food AI flags E627 and every other suspect or not-halal additive automatically — just scan the barcode or snap the ingredient list. Plain-language verdicts, 25+ languages.