E632 Potassium inosinate

E632Flavor enhancersOrigin: Plant or animal

Get a personal answer

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Every diet

VeganDepends

Often from fermentation, but meat or fish sources are also common. Read for a vegan claim.

Gluten-freeYes

HalalDepends

Depends on whether it came from fermentation, fish or meat.

KosherDepends

Depends on the source.

KetoYes

Low-FODMAPYes

The short answer

Potassium inosinate (E632) is a meaty-tasting flavor booster that works best with glutamate. Its source can be fermentation or animal tissue, so vegans and people following halal or kosher rules should check the label.

85/100

Generally safe

Fine for most people at normal amounts.

E-numberE632

Comes fromPlant or animal

What it doesFlavor enhancers

Glycemic index—

Daily limitNot set

Also calledDipotassium inosinate, Potassium 5'-inosinate

Rules by country

🇺🇸 US FDAApproved

🇪🇺 European UnionApproved

🇨🇦 Health CanadaApproved

CaliforniaNo extra rules

Cleared for use in the US, EU and Canada. It is almost always used with a glutamate in a savory blend, where it creates a strong, meaty synergy.

Daily limit: Experts haven’t set a number because normal food amounts are far below any level of concern.

What is it?

Inosinate is a nucleotide that amplifies the savory effect of glutamate many times over. A little potassium inosinate in a stock or seasoning makes the flavor feel fuller and meatier with less total salt.

Where it comes from: Made from inosinic acid, which comes from fermentation or from the flesh and fish it is extracted from. The source depends on the supplier.

Why it’s in food

Strengthens meaty flavor in stock powders
Works alongside glutamate in seasonings
Boosts savory taste in reduced-salt foods
Adds richness to snack seasonings

Often found in

Stock cubesSavory snack seasoningsInstant noodle flavor packsReady mealsGravy mixes

Also listed as: Dipotassium inosinate, Potassium 5'-inosinate, E632

Health & gut impact

GoutUnder study

It is a purine. People with gout may want to limit it.

EFSA Journal 2010;8(1):1431

Vegan savory seasoning without animal-derived boosters

Plant-based picks

Umami

Nutritional yeast flakes

A savory base that carries glutamate naturally, with no animal ingredients.

Shop nutritional yeast Opens your country’s Amazon store

Seasoning

Vegan umami seasoning

Built from plants and yeast for a meaty finish.

Shop vegan umami seasoning Opens your country’s Amazon store

Pantry

Dried shiitake mushrooms

Mushrooms are rich in natural glutamates for stocks.

Shop dried shiitake Opens your country’s Amazon store

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What can I use instead?

Yeast extract

Ratio: 1 tsp per 1 tsp

Best for: Vegan savory seasonings

More flavor enhancers:

Disodium Guanylate E627Disodium guanylate (E627) is a savory booster used with MSG. It's usually made from yeast, but can come from fish, so check for a vegan label.Generally safe Disodium Inosinate E631Disodium inosinate (E631) boosts savory flavor, usually alongside MSG. It's often made by fermentation but can come from meat or fish, so it's only reliably vegan when labeled.Generally safe Disodium ribonucleotides (I+G) E635Disodium ribonucleotides (E635) are a 50/50 mix of two flavor boosters that make MSG taste much stronger. They're safe for most people, but their source isn't always vegan or halal.Generally safe Glutamic acid E620Glutamic acid (E620) is the amino acid behind the savory taste of MSG. Made by fermentation, it is safe in food and is common in protein, though it is rarely sold on its own.Generally safe

Common questions

Is potassium inosinate vegan?

Not always. The source can be fish or meat. Only a vegan label confirms a plant or fermentation source.

Why is E632 used with glutamate?

Together they taste several times more savory than either one alone, so less total flavoring is needed.

Is Potassium inosinate safe?

Generally safe (85/100). Cleared for use in the US, EU and Canada. It is almost always used with a glutamate in a savory blend, where it creates a strong, meaty synergy.

Is Potassium inosinate vegan?

Depends. Often from fermentation, but meat or fish sources are also common. Read for a vegan claim.

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Scientific sources & regulatory citations

EFSA OpenFoodTox: E632
EFSA Journal 2010;8(1):1431

INS 632