Source dependent

The source or production method of milk flavouring can vary, so it is not always vegan.

Names you may see on a label

ароматизатор молокоaroma di latteMilcharomamelkaromaaroma de lechearôme de laitароматизатор топленое молоко

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.