Source dependent

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

Names you may see on a label

MadèreMadeiravinVinho da Madeira마데이라 포도주МадераMaderaMadeira winevin de Madèremadeira-viini

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.