Flavour Enhancers — Complete E-Number Guide

Flavour Enhancers are food additives (E600–E699) that intensify existing flavours. Found in crisps, instant noodles, soups, sauces and processed snacks. Every additive below links to its full safety, vegan and halal breakdown.

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E-NumberNameSafetyVeganHalal
E620 Glutamic Acid Safe Yes Halal
E621 Monosodium Glutamate Safe Yes Halal
E622 Monopotassium Glutamate Safe Yes Halal
E623 Calcium Diglutamate Safe Yes Halal
E624 Monoammonium Glutamate Safe Yes Halal
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E625 Magnesium Diglutamate Safe Yes Halal
E626 Guanylic Acid Safe Uncertain Mashbooh
E627 Disodium Guanylate Safe Uncertain Mashbooh
E628 Dipotassium Guanylate Safe Uncertain Mashbooh
E629 Calcium Guanylate Safe Uncertain Mashbooh
E630 Inosinic Acid Safe Uncertain Mashbooh
E631 Disodium Inosinate Safe Uncertain Haram
E632 Dipotassium Inosinate Safe Uncertain Haram
E633 Calcium Inosinate Safe Uncertain Mashbooh
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E634 Calcium 5-Ribonucleotides Safe Uncertain Mashbooh
E635 Disodium 5-Ribonucleotides Safe Uncertain Haram
E640 Glycine and its Sodium Salt Safe Uncertain Mashbooh
E641 L-Leucine Safe Uncertain Mashbooh
E650 Zinc Acetate Safe Yes Halal
E1505 Triethyl Citrate Safe Yes Halal

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Products for flavour enhancers

Alternatives and resources related to flavour enhancers

Best match

MSG-Free Seasoning
Natural umami seasonings — yeast flakes, seaweed and herbs.

MSG-Free Seasoning on Amazon →

Natural Flavour Blends
Stock, seasoning blends and umami without synthetic enhancers.

Natural Flavour Blends →

Food Intolerance Test
Find out which additives are affecting you with a home test kit.

Intolerance test kits →

Data: Open Food Facts (ODbL) · EFSA

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