Blood Type Diet Explained and Simplified

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This kind of diet became popular with the release of Peter D’Adamo’s book Eat Right 4 Your Type.

The book continues to be a bestseller and D’Adamo claims that the diet will not only bring about weight loss BUT can assist with allergy and infection resistance and will promote overall good health.

Dr. D’Adamo started out as promoting the eating of the right foods as a way to improve health and wellbeing. However, in the last several years  he has developed a whole line of nutritional supplements consisting of pills, shakes, bars, skin products, and even chocolates developed nutritionally for each of the four blood types.

This diet has many followers and detractors. Some question the science behind the diet and find it overly complex to follow and understand.

Blood Type Diet Simplified

In a nutshell, this diet revolves around eating foods that D’Adamo believes work chemically with a dieter’s particular blood type. He believes that by eating foods your “body was designed to eat” it can heal itself and become healthy.

Blood Type O

For the majority of people, the prescribed diet is low-carbohydrate, high in proteins (such as meat and fish), and low in dairy products. Type O should also engage in lots of exercise.

Foods for Type O?
Choose:  Lean beef, chicken, fish, turkey, vegetables, and fruit.Limit: dairy, grains, legumes, and beans.

Some specific foods to avoid: avocado, brazil nuts, oranges, cauliflower, mustard greens, cabbage, brussels sprouts, pork, goose, poppy seeds, eggplant, corn, melons, coconut, coffee, beer, black tea, ketchup, vinegar, milk, yogurt.

Blood Type A

These people should eat eat plenty of fish and vegetables, with a low dairy intake. Light exercise only.

Foods for Type A?Choose:fish, vegetables, beans, whole grains, most fruits.

Limit: chicken, turkey, and dairy.

Some specific foods to avoid: beef, pork, shellfish, aged cheeses, cashews, pistachios, kidney and lima beans, wheat bran, potatoes, olives, yams, cabbage, mushrooms, tomatoes, melons, bananas, oranges, mayo, beer, black tea.

Blood Type B

People with type B should eat plenty of certain meats, dairy, some fish, and plenty of fruit and vegetables.

Foods for Type B?Choose:lamb, venison, rabbit, fish, most dairy, rice, oatmeal, green leafy vegetables, most fruits.

Limit: beef, turkey

Some specific foods to avoid: chicken, other poultry, pork, shellfish, American cheese, blue cheese, sesame, lentils, chic peas, black beans, wheat, corn, tomatoes, avocado, pumpkin, olives, coconut, pomegranates, pepper, ketchup, distilled liquor

Blood Type AB

This plan combines some aspects of both the A and B diets and has the most acceptable food choices for dieters.

Foods for Type AB?Choose:Lamb, mutton, turkey, fish, eggs, yogurt, non-fat milk, soft cheeses, most nuts and beans, most grains, most fruits and vegetables.

Limit: No grey area with type AB

Some specific foods to avoid: beef, pork, poultry, venison, shellfish, aged cheeses, sesame, kidney, black, and lima beans, sunflower seeds,  buckwheat, corn, avocado, bell peppers, black olives, tropical fruits, oranges, pepper, black tea, distilled liquor.

Is This Diet For Real?

The author claims that much of the recommendations are based on scientific evidence – but perhaps it is too early to make this claim.

The following are some reasons to be cynical of his blood type theory:

  • Metabolism and/or sugar/insulin sensitivity are probably key factors in deciding diet – not blood type.
  • Two people can have very different metabolisms and have the same blood type. One could be sensitive to carbohydrates or sugar, whilst the other needs a high carbohydrate diet.
  • Weight loss and other health improvements may occur on this diet – not so much because of blood type combinations, but because of a healthier diet! The author encourages people to cut down on processed and refined foods. Good advice for anyone regardless of blood type.
  • The book also includes low-calorie diets that will probably bring about weight loss in anyone (once again, regardless of blood type).
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