Maybe I just woke up but this does article does not explain what animal products they contain when none are listed on the ingredients.

Edit: Bone char possibly used refining the sugar, enzymes harvested from undisclosed animals.

Another thing to consider:

I never bought Oreos because in my nation they are sold though Nestlé. And fuck Nestlé.

It is our just desserts for spurning Hydrox.

Well I already knew they were evil. Another reason to not have them.

Mondelez

Mondelez is famous for milk chocolates in Europe. They have the “Milka” brand. https://www.mondelezinternational.com/our-brands/milka/