Last reviewed May 2026 · 1 min read

Is Sodium Phosphates (E339) vegan?

Also known as: Monosodium phosphate (MSP), Disodium phosphate (DSP), Trisodium phosphate (TSP), Sodium acid pyrophosphate (SAPP)

E-number: E339

Vegan

Suitable for a vegan diet.

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In short

Yes — Sodium phosphates are produced synthetically from phosphoric acid, which is derived from mineral phosphate rock, and sodium compounds.

01 · The basics

What is Sodium Phosphates (E339)?

A group of mineral salts used as leavening agents, emulsifiers, sequestrants, and pH regulators in a wide range of processed foods.

02 · The source

Where it comes from

Sodium phosphates are produced synthetically from phosphoric acid, which is derived from mineral phosphate rock, and sodium compounds. No animal products are involved in their manufacture.

Frequently asked

FAQ

Why is sodium phosphate used in vegan cheese?

In vegan cheese analogs, sodium phosphates act as emulsifying salts, helping to keep the fats and proteins blended smoothly. This prevents oil separation and contributes to the desired meltability and texture.

Are sodium phosphates healthy?

Sodium phosphates are generally recognized as safe (GRAS) by the FDA when consumed in the small amounts found in food. However, excessive intake of phosphates, primarily from a diet high in processed foods, is a concern for kidney health in some individuals.

Commonly found in

Processed cheesePlant-based meatsCanned soupsBaked goodsSoda
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