Lacto-ovo-vegetarian diet: Eliminates meat, fish and poultry but allows eggs and dairy products. Lacto-vegetarian diet: Eliminates meat, fish, poultry and eggs but allows dairy products. Ovo-vegetarian diet: Eliminates meat, fish, poultry and dairy products but allows eggs. Pescetarian diet: Eliminates meat and poultry but allows fish and sometimes eggs and dairy products. Vegan diet: Eliminates meat, fish, poultry, eggs and dairy products, as well as other animal-derived products, such as honey. Flexitarian diet: A mostly vegetarian diet that incorporates occasional meat, fish or poultry.
