Rice Krispies Treats also called ‘Rice Krispie Treats are a sweet typically made by hooking Kellogg’s Rice Krispies or crisp rice cereal together with butter or margarine & marshmallow. 
Are rice Krispies treats vegan? Can vegans eat Krispies treats? If you are looking for a quick answer, No All Flavors of Rice Krispies Treats are not vegan friendly.
However, in this post, I will explain why Kellogg’s Rice Krispies cereals are not vegan, and some alternatives you can enjoy instead!
Are rice Krispies treats vegan? Can vegans eat Rice Krispies treats?
As mentioned in the quick answer Rice Krispies are not vegan-friendly, which means that are using ingredients sourced from an animal such as Palm oil, Milk, Gelatin, Reduced iron, and vitamin D. (Not suitable for vegans!)
As known, all animal ingredients or animal byproducts are not allowed on a vegan diet,
Does Rice Krispies have animal products?
Yes, Unfrontally this snack contain animal by-products, Following are the not vegan ingredient used in this cereal.
Milk: Dairy Products Come from Crows, and a vegan diet excludes animals and their byproducts
Gelatin: Sourced From animals, It is derived from a type of seaweed.
Reduced iron: Iron is found in two forms in foods – heme and non-heme. Heme iron is found in animal products(non-vegan), whereas non-heme is found in plants(vegan). So this iron could be non-vegan if it comes from heme!
Vitamin D: Vitamin D2 suitable for vegans, but vitamin D3 is not vegan friendly since it comes from animals!
Rice Krispies treats are not vegan friendly. they contain animal ingredients such as MILK, Gelatin, Oil Palm, Reduced Iron and Vitamin D.
So, if you are on a vegan diet you can not eat this snack.