Source dependent

Glycerol monostearate is recognized, but its vegan status has not been verified in the local ingredient taxonomy.

Names you may see on a label

monostéarate de glycérolglyserolimonostearaattimonoestearato de glicerinaGlycerinmonostearatmonostearato di glicerinamonostearynian gliceroluglycerolmonostearatglycerolmonostearaatMonostearynian glicerynyglyseroli monostearaatti

How to verify it

Look for a vegan certification or a manufacturer statement identifying the original source. The ingredient name alone does not settle it.