It's true. Standard jell-o is made from bone marrow. You can get similar kinds of deserts from non-animal sources, though, such as Japanese Kanten or Konnyaku (which has the added benefit that it doesn't need need to be kept in a fridge)

Thanks for the explanation! I will research more about Kanten and Konnyaku.

Este artigo parece explicar bem: Tipos de gelatina: usos y formatos

Muito bom, #Trocatintas!!! =D