Here are some of the recommendations according to the
ÒEat Right for Your Blood TypeÓ
Those with type O blood should choose high-protein foods and eat lots of meat, vegetables, fish, and fruit but limit grains, beans, and legumes. To lose weight, seafood, kelp, red meat, broccoli, spinach, and olive oil are best; wheat, corn, and dairy are to be avoided.
Type O Diet: Foods encourage weight gain:
Sweet Corn
Kidney Beans
Brussel Sprout
Cauliflower
Type O Diet: Foods encourage weight loss
Sea Food
Iodized Salt
Liver
red Meat
Spinach
Broccoli