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Is Potassium Nitrate vegetarian?

Potassium Nitrate

Vegetarian Vegetarian
Vegan Vegan

Potassium Nitrate is an inorganic potassium salt used as a curing agent and preservative in meat products. It also occurs naturally as saltpetre (niter) and has applications in cosmetics as a desensitising agent for sensitive teeth.

Also known as KNO3, Niter, Nitre, Saltpetre
INCI name Potassium Nitrate
E number E252
INS number 252
CAS number 7757-79-1
EC number 231-818-8
CosIng ID 37002
Last reviewed 22 April 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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