The idea that a person’s blood group determines which products it should include in your diet. Weight management in this case becomes the task of having your personal diet, which is selected according to blood group. For example, according to this diet, the second group of people with blood should be vegetarian and eat lots of fruits and vegetables because they contain low amounts of fat.
This is based on the fact that their blood is thicker than the holders of other blood groups. People in the second group of blood in their diet should abstain from meat and dairy products, all animal fats.