CreatineCreatine KinaseDietary SupplementsCreatine Kinase, MM FormCreatine Kinase, Mitochondrial FormPhosphocreatineFood, FortifiedCreatine Kinase, MB FormDouble-Blind MethodAmidinotransferasesGuanidinoacetate N-MethyltransferaseAnimal FeedVitaminsIsoenzymesVitamin EVitamin ADietZincFolic AcidRandom AllocationClinical Enzyme TestsMuscle, SkeletalAnimal Nutritional Physiological PhenomenaAntioxidantsMicronutrientsMagnetic Resonance SpectroscopyPlacebosbeta CaroteneFish OilsVitamin B ComplexSeleniumAscorbic AcidPregnancyAdministration, Oralalpha-TocopherolCholecalciferolCholineDocosahexaenoic AcidsFatty Acids, Omega-3Body WeightDigestionMusclesAnemia, Iron-DeficiencyTime FactorsIronDietary ProteinsVitamin A DeficiencyTrace ElementsVitamin DNutritional StatusEnergy MetabolismMyocardiumMaternal Nutritional Physiological PhenomenaRumenWeight GainL-Lactate DehydrogenaseIron, DietaryAdenosine TriphosphatePrenatal Nutritional Physiological PhenomenaCalcium, DietarySwineCattleBiological MarkersOxidative StressDose-Response Relationship, DrugRhabdomyolysisVitamin D DeficiencyAspartic AcidArginine KinaseEicosapentaenoic AcidEatingNutritional RequirementsCross-Over StudiesNitrogenAdenosine DiphosphatePoaceaeArginineAdenylate KinaseLactationHomocysteineTreatment OutcomeMolassesLiverTocopherolsRats, WistarLipid PeroxidationMuscular DiseasesFerrous CompoundsGlutamineGrowthZinc SulfateInfant, NewbornBrainPhosphorusInfant Nutritional Physiological PhenomenaVitamin B 12PropionatesCarotenoidsRats, Sprague-DawleyHemoglobins