Most marshmallows you find in major grocery chains are not vegan since they contain gelatin, an animal protein. However, there are several popular brands of marshmallows on the market that don't use gelatin and are completely vegan.

What brands of marshmallows are vegan?

Are all marshmallows vegan?

So, are marshmallows vegan? Unfortunately, they're not. “Marshmallows are not vegan because they contain gelatin, an animal protein derived from the ligaments, tendons, and skin of animals, such as cows and pigs,” explains registered dietician Grace Pascale.