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Maybe your diet is just not your type

"Eat right for your type", Naturopathic physician, Peter D’Adamo, published this book in 1996. The book's details how people can become healthier, increase longevity, and reach their ideal weight by eating according to their blood type ( A+, A-, B+, B-, O+, O-, AB+, AB-).

Naturopathic medicine blends modern scientific thinking with traditional and natural forms of medicine. Natural modalities—such as nutrition, lifestyle counseling and botanical medicine are used to optimize lifestyles and treat illness.

Naturopathic doctors work according to a set of basic principles that activate the natural healing power of the body and address causes for underlying disease. It does not focus on alleviating symptoms.

The theory behind the blood type diet is based on the notion that your blood type can determine the foods you should consume in order to achieve your optimal health. D'Adamo also believes that within the stage of digestion of various foods there are differences in the digestive tract secretions associated with each blood type. He also goes on to suggest that if you design a meal plan that is specifically for your blood type, you are able to digest with greater efficiency and avoid the negative effects of certain ingredients, lose weight, and enhance one's overall health.

So what are the types of foods should be eaten or restricted for each blood type?

  • Those with type O blood

    • D'Adamo calls Type O's "the hunter".

    • Type Osh individuals should choose high-protein foods, eat lots of meat, vegetables, fish, and fruit.

    • Type O individuals should restrict grains, dairy, corn, beans, and legumes if they want to lose weight and focus more on: seafood, red meat, broccoli, spinach, and olive oil.

      • For the full list please see

  • Type O individuals do best with intense physical exercise.

  • Those with type A blood:

    • D'Adamo calls Type A's "the cultivator.".

    • Type A individuals should choose vegetables, fruit, tofu, seafood, and whole grains while restricting meat. Type A blood may be better suited to natural, vegetarian diets.

    • Type A individuals wishing to lose weight should eat: seafood, vegetables, pineapple, olive oil, and soy.

      • For the full list please see

  • ​​​Type A individuals should avoid exercising that puts a lot of strain the body. Recommended activities include yoga, Pilates, and any meditative elements.

  • Those with type B blood:

    • D'Adamo calls Type B "the nomad".

    • Type B individuals should stick to a diverse diet including meat, fruit, dairy, seafood, and grains.

    • Type B individuals wishing to lose weight should choose green vegetables, eggs, liver, and licorice tea but avoid chicken, corn, peanuts, and wheat

    • D'Adamo suggests that people with Type B blood have a robust immune system and a tolerant digestive system, and are more adaptable than other blood types.

    • He recommends moderate physical exercise and balance exercises, along with a "well-rounded" diet.

  • Those with type AB blood:

    • D'Adamo calls Type AB's "the enigma".

    • ​Type AB individuals should choose to eat dairy, tofu, lamb, fish, grains, fruit, and vegetables.

    • Typre AB individual wishing for weight loss should avoid chicken, corn, buckwheat, and kidney beans.

    • Starving/intermittent fasting are things that are not tolerated for this blood type.

    • Type AB individual supposedly do best with a combination of the exercises and diets for types A and B (again meat should be limited on this diet). ​Sited:




*"Eat right for your type", Naturopathic physician, Peter D’Adamo

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