Eggs also count as a special source of fat-soluble vitamins. Most store-bought eggs, however, come from chickens that are solely grain fed, even organic ones. Eggs from grain-fed chickens do not possess enough vitamins and nutrients to merit consideration as a food capable of preventing tooth decay. It is precisely due to the lack of fat-soluble vitamins and activators in the vegan diet that makes it difficult for vegans over time to remain immune to cavities and the effects of physical degeneration.
