Hot cereals that are low in potassium include Farina, Cream of Wheat and Cream of Rice. A cold cereal with low levels of potassium is Kellogg's Rice Krispies.
Kellogg's Crispix, Apple Jacks and Froot Loops are cold cereals that are low in potassium. Other cold cereal options for people on low-potassium diets include Quaker's Fruity Brontosaurus Blasts and puffed millet cereals sold by various manufacturers.
Some low-potassium options for hot cereal include Quaker's Creamy Wheat and Malt-O-Meal in original, chocolate, or maple and brown sugar flavors.
Corn-based cereals tend to be low in potassium. For that reason, corn flakes, Malt-O-Meal Corn Bursts, and grits made from white or yellow corn are good hot cereal options for people on low-potassium diets. Quaker Old Fashioned Grits and Quaker Instant Grits come in such flavors as butter, Cheddar cheese and country bacon.
Low-potassium diets are often prescribed to patients with kidney disease or kidney function problems. Having high levels of potassium for renal patients is associated with serious heart problems, such as an irregular heartbeat or heart failure. Oatmeal and bran cereals contain high levels of potassium and should be avoided by people on a low-potassium diet, as should cereals containing dried bananas.