Wombat, According to Dr. Pete DAdamo ND in his book eat right 4 your type. He states tomatoes are a rare food in that are called a panhemaglutinan. Meaning its lectins agglutinate in every blood type. However, type O doesnt produce antibodies to tomatoes, and can eat them, as can type AB. He states they are very bad for type A and type B blood types. Hopinso, your Koooooooooooooooooooooooool:) Jm