Last reviewed May 2026 · 1 min read

Is E631 (Disodium inosinate) vegan?

Also known as: Disodium 5'-inosinate, Sodium inosinate, INS 631

E-number: E631

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Source can be plant or animal.

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In short

It depends — It is often extracted from meat or fish (like sardines), though plant-based tapioca versions exist.

01 · The basics

What is E631 (Disodium inosinate)?

A flavor enhancer commonly found in instant noodles and potato chips.

02 · The source

Where it comes from

It is often extracted from meat or fish (like sardines), though plant-based tapioca versions exist.

03 · Alternatives

Best vegan alternatives

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Frequently asked

FAQ

Is E631 vegan?

E631 (Disodium inosinate) can be derived from animal sources like meat or fish, or from plant-based sources like tapioca. Always check the label or contact the manufacturer to confirm its origin.

What is E631 made from?

E631 can be produced from animal products (e.g., pork, fish) or through fermentation of plant-based substrates like tapioca starch.

What is disodium inosinate?

Disodium inosinate is a flavor enhancer commonly used in a variety of processed foods to boost umami taste.

Commonly found in

Instant noodlesPotato chipsSnacksProcessed foodsSoupsSauces
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