The Blood Type Diet by Peter D’Adamo is based on the premise that blood type is the most important factor in choosing a healthy diet. Based on this diet, you should eat foods that are non-toxic and beneficial according to your blood type. There are 4 diets recommended for each blood type.

Blood Type B is the nomad with strong immune system according to Peter D’Adamo. This blood type suggests a diet high in dairy, fruits and vegetables, and meat.