Potassium, DietaryPotassium DeficiencyPotassiumPotassium CompoundsHypokalemiaDietPotassium ChlorideSodiumSodium Chloride, DietaryPotassium ChannelsDietary FatsBlood PressureKidneyHypertensionMagnesiumDietary ProteinsRats, Sprague-DawleyDietary FiberDietary SupplementsDietary CarbohydratesPotassium Channel BlockersPotassium Channels, Inwardly Rectifying