Last reviewed May 2026 · 1 min read

Is Calcium Ribonucleotides vegan?

Also known as: E634

E-number: E634

Check the Label

Source can be plant or animal.

In short

It depends — Because it contains inosinate, there is a strong possibility it is sourced from fish or meat.

01 · The basics

What is Calcium Ribonucleotides?

A mixture of calcium guanylate and calcium inosinate used to amplify savory flavors.

02 · The source

Because it contains inosinate, there is a strong possibility it is sourced from fish or meat.

Frequently asked

Is E634 vegan?

It is a 'Check Label' item, heavily leaning towards non-vegan unless certified otherwise.

Commonly found in

Dietary processed mealsFlavor packets

A yellowish exudate from the castor sacs of mature beavers.

A flavor enhancer that provides umami taste, common in savory snacks and Asian dishes.

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

Keep exploring

A sweet, syrupy liquid used as a humectant in foods and cosmetics.

A dough conditioner used in commercial bread baking.

A common mineral used as a white food coloring, an anti-caking agent, and a calcium supplement.

What's next