Beta vulgarisNitratesNitritesDietary SupplementsMuscle ContractionMuscle, SkeletalBeveragesMuscle Fibers, SkeletalIsometric ContractionMusclesTroponin CDietTroponinMuscle ProteinsMyosinsMuscle FatigueTropomyosinCalciumRabbitsNitrate ReductaseElectric StimulationMuscle, SmoothSalivaCross-Over StudiesStomachRegional Blood FlowNitric OxideDietary FatsMuscle, Smooth, VascularMuscle DevelopmentDietary ProteinsMuscle Fibers, Fast-TwitchBlood PressureMuscle Fibers, Slow-TwitchMitochondria, MuscleAnimal FeedFood, FortifiedTime FactorsDietary FiberMuscle RelaxationDouble-Blind MethodBody WeightMyocardial ContractionUterine ContractionRats, Sprague-DawleyVitaminsRats, WistarDose-Response Relationship, DrugMuscle DenervationElectromyographyRandom AllocationVitamin EMyofibrilsSatellite Cells, Skeletal MuscleDietary CarbohydratesMuscular AtrophyCalcium, DietaryAnimal Nutritional Physiological PhenomenaHindlimbVitamin AZincMuscular DiseasesFolic AcidAntioxidantsInsulinPregnancyExerciseGlycogenSwineRNA, MessengerEnergy Metabolism