Is buttermilk vegan? Sources and aliases

Not vegan

buttermilk is classified as animal-derived by the local ingredient taxonomy.

Names you may see on a label

kärnmjölkkarnemelkpodmáslíbabeurremaślanka우락유Buttermilchlatticellosuero de mantequillakjernemelkkirnupiimäсколотинипахтаkærnemælkleitelhokirnumaitoreine Buttermilchleche mazadabutter milksweet cream buttermilkbas-beurrelait battulait fermentémaślanki

How to verify it

If this ingredient appears in the recipe rather than a precautionary trace statement, the product is not vegan.