Which cereal innovation was specifically created to promote digestive health as part of the early 20th century wellness movement?

Breakfast cereals revolutionized morning routines across America, but the innovation behind these familiar products often has fascinating origins. This poll explores a pivotal moment in cereal product development that changed how we eat breakfast. Test your knowledge of food product innovation history and see if you can identify which breakthrough truly transformed the cereal industry!

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Corn Flakes (created by accident when W.K. Kellogg left cooked wheat sitting out too long)
Grape-Nuts (developed by C.W. Post as a dense, grain-based food believed to contain 'grape sugar')
Cheerios (originally called 'Cheerioats' and designed primarily for children's nutrition)
Rice Krispies (invented to reduce food waste by repurposing broken rice grains)