Dietary SupplementsCholine KinaseCholine O-AcetyltransferaseCholine DeficiencyBetaineHemicholinium 3Cytidine Diphosphate CholineVitaminsCholine DehydrogenaseFood, FortifiedPhosphatidylcholinesMineralsDietPhosphorylcholineFolic AcidAnimal FeedPhosphatidylethanolamine N-MethyltransferaseGlycerylphosphorylcholineLipotropic AgentsEthanolamineNutritional RequirementsDeanolPlant PreparationsMicronutrientsDietary ProteinsRandom AllocationCreatineVitamin B ComplexPregnancyMethionineAcetylcholinePhospholipidsNutritional StatusMolassesSarcosineTrace ElementsVitamin ERumenAscorbic AcidNutrition PolicyDigestionCattleAnimal Nutritional Physiological PhenomenaPoaceaeEthanolaminesMagnetic Resonance SpectroscopyVitamin ACalcium, DietaryPhosphatidylethanolaminesInositolPlant ExtractsPhytotherapyEatingDouble-Blind MethodCholine-Phosphate CytidylyltransferaseAntioxidantsSoybeansHerb-Drug InteractionsZincFish OilsWeight GainCholinergic FibersBody Weightbeta CaroteneAcetylcholinesteraseLiverVesicular Acetylcholine Transport ProteinsBetaine-Aldehyde DehydrogenaseMaternal Nutritional Physiological PhenomenaDietary FiberHomocysteineDiacylglycerol CholinephosphotransferaseBiological AvailabilityVitamin DDose-Response Relationship, DrugTime FactorsVitamin B 12Ephedra sinicaNootropic AgentsPrenatal Nutritional Physiological PhenomenaKineticsUnited StatesEnergy IntakeCulture MediaNeural Tube DefectsMilkBromusComplementary TherapiesIronAspartic AcidThiocholineDoping in SportsHerbal MedicineSodiumNitrogenLactationMembrane Transport ProteinsCholinergic AgentsQuestionnairesAdministration, Oral