Type O blood is a very old blood type in anthropology, with strong digestive organs and immune system to excessive food. Therefore, animal proteins such as meat and fish are indispensable in recipes, and they also have strong digestion ability for vegetables. Beef, mutton, fresh cheese, tofu, onion, radish, sweet potato, apple, grapefruit, grape, pear, watermelon, peach, cod, herring and mackerel are fish with high fat content, which is most recommended.

Eat less cereal and bread at ordinary times, because people with type O blood have a poor appetite for cereal. Lectins in these foods will hinder the metabolism of type O blood and make you fat unconsciously.

Type o blood and weight loss. Foods that can lose weight are: marine shellfish, cabbage and spinach. People with type O blood can control their weight through lean meat, animal liver, seafood and green leafy vegetables. It is futile to lose weight by cereals, beans, cabbage, potatoes, etc.

Seafood is rich in protein .. You can eat more, which should be scientific for losing weight, because the blood composition of people with type O blood is different from that of people with other blood types.