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Diet by Blood Type

Updated: Mar 11

  • To the eternal question of whether food has a universal character or is it food that is food for one person for – another (almost) poison, etc. Peter D'Adams answers: Tell me your blood type, and I'll tell you if you eat or poison. He, in fact, continued his father's pioneering work on studying the importance of blood type from the point of view of the biochemistry of the whole organism and set his theory of proper nutrition on a scientific basis. It is clearly defining the biochemical specifics of each person, genetic factors and environmental factors.

  • Blood type is the key to opening up many, hidden, healing powers of the body, explains Dr. D 'Adams in his bestseller “Eat Right for Your Type” (the book is translated here as: “Blood Types and Nutrition”). He recalls the fact that blood type is one of several medically recognized differences, but that it also speaks of the evolution of the human race. Diet by blood type – basics The oldest blood group, according to this theory, is 0, which appears with the first man and the rise of the human race to the top of the food chain. With the change of way of life, from hunter-gatherer to more established agrarian way of life, between 25,000 and 15,000 BC, blood group A appears, while blood group B appears between 10,000 and 3,500 BC. Mixing and migrating races from the African ancestral home to Europe, Asia, and North and South America.

  • Group AB is found in about five percent of the total population on Earth and is the youngest blood type. There is no evidence that it existed until 10 centuries ago, when it appeared after the modern mixing of different blood groups. Respecting these differences, from the formation of blood groups to their chemical characteristics, Dr. D'Adams, according to the type of blood group, distinguishes between very good, neutral, and foods that should be avoided.

  • As proof of efficacy he offers two things: the first is that high-protein diets, which are currently very popular, succeed only in people of blood group 0 or B.

  • While they prove to be completely ineffective in blood group A. The second proof is his patients, who, adhering to of this diet, they begin to lose weight after only 14 days. So, the diet by blood groups definitely “works”. D'Adams points out that every living form, from simple viruses to humans themselves, has unique antigens that are specific to each organism.

  • Very powerful antigens in the human body are those that determine blood type. They are so sensitive that, when they function well, they represent the best security part of the immune system. Each blood group has different antigens with a special chemical structure. And the very name of the blood group is derived from the antigen of the group found on red blood cells. Thus, the core of the theory of blood groups is the discovery that blood group antigens – behave differently in biochemical reactions with certain foods (that is, some of their ingredients). Are the characteristics of certain blood groups, and which foods and lifestyle suit them best?


  • Characteristics: hunter, carnivore, strong, confident, leader type.

  • Strengths: strong digestive system, strong immune system, natural protection against infections, efficient metabolism.

  • Weaknesses: intolerance according to the new diet and new environmental conditions. Excessive activity of the immune system can attack itself.

  • Risks: coagulation disorders, inflammatory diseases, inflammation of the joints, decreased thyroid function, ulcers, allergies.

  • Dietary profile: high protein levels, meat consumption. Meat, fish, vegetables, fruits. Restricted: cereals, beans, legumes Skin for weight loss: Avoid: wheat flakes, beans, lentils, cabbage, broccoli, cauliflower, mustard helps: seaweed, sea fish, salt, liver, red meat, kale, spinach, broccoli.

  • Dietary supplements: vitamin B and K, calcium, iodine, licorice, seaweed Physical activities: intense physical activity, such as aerobics, martial arts, running


  • Characteristics: farmer, true vegetarian, thoughtful, cooperative, precise.

  • Strengths : Adapts well to changed diet and new environmental conditions. Easily metabolizes nutrients.

  • Weaknesses: sensitive digestive system; vulnerable immune system – open to infections

  • Risks: heart disease, cancer, anemia, liver and bile diseases, type I diabetes.

  • Dietary profile: vegetarian – vegetables, tofu (soy cheese), sea fish, cereals, beans, legumes, fruits Kura.

  • For weight loss: Avoid: meat, dairy products, Lima beans.

  • Wheat Helps: vegetable oils, soy dishes, vegetables, pineapple.

  • Dietary supplements: vitamin B, C and E, folic acid, hawthorn, echinacea, quartzite, variegated.

  • Physical activity: calm exercises like yoga, tai chi.


  • Characteristics: nomad, balanced, elastic, creative

  • Strengths: strong immune system, adaptability to new environment and new diet, balanced nervous system Weaknesses: susceptibility to autonomic diseases and rare viral infections Risks: type I diabetes, chronic fatigue, autoimmune diseases (lupus, multiple sclerosis…)

  • Diet profile: balanced diet, omnivorous: meat (not chicken), dairy products, cereals, beans, legumes legs, vegetables, fruits Weight loss cure: Avoid: corn, lentils, hazelnuts, sesame seeds, buckwheat, wheat helps: vegetables, eggs, venison, licorice, tea.

  • Dietary supplements: magnesium, licorice, ginkgo, lecithin Physical activity: moderate physical exercises, for example walking, cycling, tennis, swimming.


  • Characteristics: enigmatic (modern merging of A and B type), rare, charismatic, mysterious Strengths: adapts well to modern conditions.

  • Highly tolerant immune system, combines the advantages of groups A and B.

  • Weakness sensitive digestive system. An overly tolerant immune system can be open to infections. Negatively reacts to both A and B type circumstances. Risks: heart disease, cancer, anemia Dietary profile: mixed diet – meat, sea fish, dairy products, tofu (soy cheese), beans, legumes, cereals, fruits Weight loss cure: Avoid: red meat, lima beans, seeds, corn, buckwheat. Helps: tofu (soy cheese), sea fish, dairy products, vegetables, seaweed, pineapple Dietary supplements: vitamin C, hawthorn, resisted, variegated weevil. Physical exercise: calm physical exercises such as yoga, tai chi, combined with moderate activities (walking, cycling, tennis).

  • Use the contact form for questions or advice.

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