Source dependent

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

Names you may see on a label

menachinonmenakinonimenaquinonaménaquinonemenachinoneMenachinonMenakinonvitamine K2vitamin K2

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.