Source dependent

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

Names you may see on a label

cholécalciférolcholekalciferolvitamin D3cholekalcyferol비타민 D3kolekalsiferoliColecalciferolocolecalciferolХолекальциферолWitamina D3vitamine D3kolekalciferolVitamine D3Vitamín D3Витамин д3Вітамін D3Vitamina D3Vitamin D3vitamina D3kolekalsiferolD3-vitamiini

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.