Last reviewed May 2026 · 1 min read
Is Monopotassium Phosphate vegan?
Also known as: MKP, E340i
E-number: E340i
Vegan
Suitable for a vegan diet.
In short
Yes — Produced synthetically from mineral sources.
01 · The basics
What is Monopotassium Phosphate?
A soluble salt used as a fertilizer, food additive, and buffering agent.
02 · The source
Where it comes from
Produced synthetically from mineral sources. It involves no animals.
Frequently asked
FAQ
Is E340i vegan?
Yes, it is a mineral-based synthetic salt.
Commonly found in
Energy drinksCoffee creamersFertilizers
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