Processing levels can vary significantly between brands and specific products within each category. Always check the ingredient list of the specific product you are considering. Use our product search to look up exact processing scores. These comparisons evaluate processing level and ingredient composition only. They do not account for taste, price, convenience, cultural significance, or individual dietary needs.
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Frequently asked questions
Which Kellogg's cereal is less processed?
Kellogg's Corn Flakes scores lower in our analysis. 4.0 against 5.0, a 1.0 point gap. Both are Level 2. Both are short lists: Kellogg's Rice Krispies is rice, sugar, salt and malt flavor, and Kellogg's Corn Flakes is milled corn, sugar, malt flavor and salt, each with added vitamins and minerals. Plain oats are a simpler breakfast still.
Do Rice Krispies and Corn Flakes contain preservatives?
Neither label lists one. Kellogg's Rice Krispies and Kellogg's Corn Flakes each list a grain, sugar, salt and malt flavor, plus added vitamins and minerals.