CheckVegan

Is Methylmethionine vegetarian?

Methylmethionine

Vegetarian Vegetarian
Vegan Vegan

S-Methylmethionine is a naturally occurring sulfonium derivative of methionine, biosynthesized from L-methionine and S-adenosylmethionine, particularly abundant in plants; used as a cosmetic ingredient.

Also known as Sulfonium, [(3S)-3-amino-3-carboxypropyl]dimethyl-, inner salt
INCI name Methylmethionine
CAS number 4727-40-6
CosIng ID 86585
Last reviewed 9 July 2026

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

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