Potassium, DietaryPotassium DeficiencyPotassiumPotassium CompoundsSodiumDietHypokalemiaDietary FatsPotassium ChlorideSodium Chloride, DietaryDietary ProteinsDietary FiberDietary SupplementsPotassium ChannelsBlood PressureDietary CarbohydratesHypertensionKidneySodium, DietaryMagnesiumRats, Sprague-DawleyCalcium, DietaryDietary Fats, UnsaturatedCholesterol, DietarySodium ChannelsEnergy IntakePotassium Channel BlockersPotassium Channels, Inwardly RectifyingFood Habits