Is Oat milk (carton) vegan?
Usually
Why
Oats, water, oil, and fortification are plant-based.
What to check on the pack
Vitamin D2 is plant-derived; D3 may be lanolin derived if listed.
Typical animal parts that can appear
Text and symbols carry the meaning. Color alone does not.
FishRare
Open Food Facts, as of March 1, 2026