CheckVegan

Is Ornithine vegetarian?

Ornithine

Vegetarian Vegetarian
Vegan Vegan

Ornithine is a non-proteinogenic alpha-amino acid that plays a central role in the urea cycle. It is manufactured synthetically or via fermentation for use in cosmetic and dietary supplement formulations.

Also known as Pentanoic acid, 2,5-diamino-, (S)-
INCI name Ornithine
CAS number 616-07-9
EC number 200-731-7
CosIng ID 35745
Last reviewed 9 July 2026

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

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