Diet, VegetarianProtestantismDietBuddhismTooth AbrasionHinduismNutsMeatPlants, Genetically ModifiedVitamin B 12 DeficiencyNutritional Physiological PhenomenaVitamin B 12Dietary ProteinsPlant LeavesPlant ProteinsNutritional StatusBiological AvailabilityTrace ElementsPlant RootsGenes, PlantLife StylePlant Extracts