People with the type O blood type should eat more lean protein, such as low-fat chicken, turkey, fish or lean cuts of beef. Eating nuts and seeds are need for high protein,fruits and berries which is high vitamins and fiber will keed the digestive system in balance and fresh vegetables. Type O blod type should avoid eating cooked vegetable such as potatoes
Blood type A people are just the opposite of Blood type O people. You should avoid foods high in fat and eat low fat foods and eat more plant based type foods in your diet.
Betroot
Healthline.com carries a list of foods appropriate for those with type A blood. Protein powder supplement is good for those with type A blood. They should eat plenty of vegetables and avoid red meat.
People with O positive blood types do not have to eat rare foods. They should focus their diet on protein rich foods and avoid grains and dairy. They should also use legumes and fruits and vegetables in moderation.
Type B blood types should avoid foods with sunflower seeds or nuts. They should eat plenty of fish. They should avoid shellfish. Dairy food's are good for those with type B blood.
Foods that diabetic people should avoid include over eating sugar. A good health well balanced diet is the key.
bananas
According to the blood diet, people with type O blood should eat lean, organic meats, fish and poultry. They should avoid foods containing grains, gluten and dairy. Diet food lists for type O blood can be found at http://www.drlam.com/blood_type_diet/blood_o.asp
People who are blood type A, should have a diet consisting of mostly vegetables and whole grains. They should avoid animal-based foods such as meat and dairy. Also, bananas, coconuts and melons are difficult to digest for people with type A blood.
I do not know what type of foods should be avoided for O blood types. I have O type blood and I don't avoid any particular foods. I enjoy all different varieties of food. I don't think I should eat more acidic food rather than alkaline based foods.
Generally speaking, you should avoid foods with a high fat and sodium and cholesterol content. Try foods like fish, grains, and beans and avoid things like dairy and cheese.
For some people, there are certain foods that act like a poison to their specific blood type. They need to watch what they eat to stay healthy. People with type o blood should eat a lot of meat and foods high in protien. In order to loose weight for instance, they should avoid foods such as wheat, corn and cabbage. Foods such as seafood, salt, and red meat actually help them loose weight.