Rice Krispies are a popular breakfast cereal made from crisped rice that are puffed and flattened into a thin, crispy shape. The original Rice Krispies recipe, developed by Kellogg’s in the 1920s, contained only three ingredients: rice, sugar, and salt. These ingredients are plant-based and do not contain any pork or other animal products.

However, some variations of Rice Krispies may contain pork or other animal-derived ingredients. For example, some Rice Krispies products are made with marshmallows, which typically contain gelatin as a binding agent. Gelatin is derived from animal collagen and can be made from pork, beef, or fish bones, skin, or hooves. Therefore, Rice Krispies treats made with marshmallows may contain pork or other animal-derived ingredients.
Additionally, some Rice Krispies products may contain ingredients that are not suitable for vegetarians or vegans, such as vitamin D3. Vitamin D3 is typically sourced from lanolin, a wax produced by sheep, and is often used to fortify cereals and other foods. However, some companies have started using plant-based sources of vitamin D3 in their products to cater to vegetarian and vegan consumers.
In general, it is important to read the ingredient list and allergen information on food packaging to determine whether a product contains pork or other animal-derived ingredients. Companies are required to list all ingredients and allergens on their packaging, and many also provide information about the sourcing of their ingredients.
If you are unsure about whether Rice Krispies or any other food product contains pork or other animal-derived ingredients, it is always best to contact the manufacturer directly for clarification. Manufacturers can provide detailed information about the sourcing and production of their ingredients and can help consumers make informed choices about what they eat.