Are Vegetarian or Meat-Containing Diets Better for Health?, .Your friend is a meat eater who would like to try the lifestyle of a vegan..Provide any 3 suggestions as to how your friend can achieve this goal. Provide a lunch that meets the definition of a vegan. State one food that is a good source of iron and one food that is a good source of B12 as part of your meal. Use the MyPlate guideline to help make the food choices with the recommendation to make "half your plate fruits and vegetables."