The blood type diet is a nutritional diet advocated by Peter D’Adamo, a naturopathic physician, not a medical doctor, and outlined in his book Eat Right 4 Your Type. D’Adamo claims that ABO blood type is the most important factor in determining a healthy diet, and he recommends distinct diets for each blood type.

D’Adamo groups those thirteen races together by ABO blood group, each type within this group having unique dietary recommendations:

  • Blood group O is described by D’Adamo to be the hunter, his perception of the earliest human blood group. The diet recommends that this blood group eat a higher protein diet, presumably since O blood type is alleged by D’Adamo as the first blood type that he believes originated 30,000 years ago. However, research indicates that blood type A is actually the oldest.
  • Blood group A is called the agrarian or cultivator by D’Adamo, where he believes a more recently evolved blood type dates from the dawn of agriculture 20,000 years ago. The diet recommends that individuals of blood group A eat a diet emphasizing vegetables and free of red meat, a more vegetarian food intake.
  • Blood group B is the nomad says D’Adamo, associated with a strong immune system and a flexible digestive system. He asserts that people of blood type B are the only ones who can thrive on dairy products and D’Adamo estimates blood type B arrived 10,000 years ago. However, this contradicts the fact that people with blood type B tend to be from Asia (specifically, China or India), and not from northern Europe, whereas lactose intolerance is most common among people of Asian, South American, and African descent and least common among those descended from northern Europe or northwestern India.
  • Blood group AB is the enigma as described by D’Adamo, who believes it is the most recently evolved type arriving less than 1,000 years ago. In terms of dietary needs, his blood type diet treats this group as an intermediate between blood types A and B.

Blood type, with its digestive and immune specificity, is a window on a person’s probable susceptibility to or power over disease, according to Dr. D’Adamo.

For example, Type Os are the most likely to suffer from asthma, hay fever, and other allergies, while Type Bs have a high allergy threshold, and will react allergically only if they eat the wrong foods. Type Bs are also especially susceptible to autoimmune disorders, such as chronic fatigue, lupus, and multiple sclerosis. Type ABs tend to have the fewest problems with allergies, while heart disease, cancer, and anemia are medical risks for them.

With arthritis, Type Os, again, are the predominant sufferers because their immune systems are “environmentally intolerant,” especially to foods such as grains and potatoes which can produce inflammatory reactions in their joints. Types A and B are the most susceptible to diabetes, while types A and AB have an overall higher rate of cancer and poorer survival odds than the other types.

There are four blood type groups: O, A, B, and AB.

The majority of people are Blood Type O. Next comes Blood Type A, then Blood Type B; and, Blood Type AB is very rare and has only been around for about 1000 years. Less than 5% of the world’s population has Blood Type AB.

Have you ever noticed that some people can eat a variety of foods with no problems, while others suffer from gas, bloating, indigestion and heartburn?

The reason for this is that people with different blood types cannot eat or digest the same foods equally. The following is a brief overview of the peculiarities of each blood type group:

Nutrition & Exercise Tips for Type O Individuals

 

Blood type O is the oldest blood type in the world.

  • Hardiest digestive systems
  • Meat-eaters, need animal protein for good health
  • Cannot digest wheat products containing gluten very well
  • Digestive systems contain a lot of stomach acid
  • Low thyroid and sluggish metabolisms
  • Feel good after vigorous workouts

People with Blood Type O have the hardiest digestive systems. They are the meat-eaters. Persons with Blood Type O need animal protein for good health, as well as vegetables and fruits. However, carbohydrates should be kept to a minimum, since the Blood Type O person cannot digest carbohydrates very well, especially wheat products containing gluten.

Type O Individual will do well on a high animal protein, low carbohydrate diet; and, dairy products should be kept to a minimum.

Persons with Blood Type O produce a lot of hydrochloric acid in their stomachs, and it is this great abundance of stomach acid that allows them to digest animal protein favorably. And, because their digestive systems already contain a lot of stomach acid, they should avoid drinking coffee, since coffee will cause them to produce even more stomach acid, and this tends to make them prone to peptic ulcers, especially if they are constantly under a great deal of stress. They should drink more green tea, instead of coffee.

Persons with Blood Type O tend to have low thyroid and sluggish metabolisms; therefore, they should supplement their diets with sea kelp and seafood to obtain natural iodine to stimulate their thyroids.

The best exercises for these persons are the vigorous workouts like jogging, power walking, aerobics, weight training, etc. The harder they exercise, the better they will feel. Get the heart rate going, and sweat up a storm to burn calories, alleviate stress and eliminate depression!

 

Foods that encourage weight gain Foods that encourage weight loss
  • Wheat gluten
  • Corn
  • Kidney beans
  • Navy beans
  • Lentils
  • Cabbage
  • Brussels sprout
  • Cauliflower
  • Mustard greens
  • Sugar
  • White flour
  • Sea kelp (iodine)
  • Seafood: bluefish, cod, hake, halibut, herring, mackerel, pike, rainbow trout, red snapper, salmon, sardines, shad, snapper, sole, striped bass, sturgeon, swordfish, tilefish, white perch, whitefish, yellow perch, yellowtail.
  • Red Meat: beef, buffalo, heart, lamb, liver, mutton, veal, venison; Vegetables: kale, spinach, broccoli.

Other foods to avoid:

Meat bacon, goose, ham pork.
Seafood barracuda, catfish, caviar, conch, herring (pickled), lox (smoked salmon), octopus.
Cheeses & Dairy American cheese, blue cheese, brie, buttermilk, Camembert, casein, cheddar cheese, colby cheese, cottage cheese, cream cheese, edam, emmental cheese, goat milk, gouda, gruyere, Jarlsberg cheese, kefir, Monterey Jack cheese, Muenster cheese, parmesan, provolone, Neufchatel, ricotta, skim or 2% milk, string cheese, Swiss cheese, whey, whole milk, yogurt, all varieties and ice cream.
Oils corn, cottonseed, peanut, safflower.
Nuts & Seeds brazil nuts, cashew, litchi, peanuts, peanut butter, pistachios, poppy seeds.
Beans & Legumes copper, kidney, navy, tamarind, lentils (domestic, green & red).
Cereals cornflakes, cornmeal, cream of wheat, familia, farina, grape nuts, seven-grain, shredded wheat, wheat bran, wheat germ.
Grains & Pastas bulgur wheat flour, couscous flour, durum wheat flour, gluten flour, graham flour, soba noodles, semolina pasta, spinach pasta, sprouted wheat flour, white flour, whole wheat flour.
Vegetables avocado, cabbage (Chinese, red, white), cauliflower, white & yellow corn, eggplant, domestic & Shiitake mushrooms, mustard greens, olives (black, Greek, Spanish), potatoes (red & white), alfalfa sprouts, brussel sprouts.
Fruits blackberries, coconuts, melon (cantaloupe & honeydew), oranges, plantains, rhubarb, strawberries, tangerines.
Juices apple, apple cider, cabbage, orange.
Spices capers, cinnamon, cornstarch, corn syrup, nutmeg, black & white pepper, vanilla, vinegar (apple cider, balsamic, red & white wine).
Condiments ketchup, mayonnaise, pickles (kosher, dill, sweet & sweet pickle relish).
Herbal Teas alfalfa, aloe, burdock, coltsfoot, corn silk, echinacea, gentian, goldenseal, red clover, rhubarb, Saint-John’s Wort, senna, shepherd’s purse, strawberry leaf, yellow dock.
Beverages coffee (regular & decaf), distilled liquor, all sodas, black teas.

 

Exercise Tips for Type O Individuals

More than any other blood type, O’s rely on physical exercise to maintain physical health and emotional balance.

  • O Individuals Responds well under pressure to vigorous exercise.
  • O Individuals Needs efficient metabolism to stay slim and energetic.
  • O Individuals Needs constant and intensive training program.

O individuals are athletes. They have more physical strength, and needs exercise to release stress, worries, fears and anxieties. Doing so helps them better assimilate information more quickly later on. For an O individual, vigorous exercises such as hiking, bicycling, swimming and jogging are best—and a morning routine suits them well. If they will exercises first thing in the morning, they goes through the day calmer, more peaceful, and better at problem solving.

Lifestyle Tips for Type O Individual

  1. Set up simple plans for your goals and tasks to avoid impulsivity.
  2. Make lifestyle changes gradually, rather than trying to handle everything at once.
  3. Avoid making big decisions or spending money when stressed.
  4. Do something physical when you feel anxious.
  5. Engage in thirty to forty five minutes of aerobic exercise at least four times per week.
  6. When you crave a pleasure releasing-substance (alcohol, tobacco, sugar), do something physical.

Nutrition & Exercise Tips for Type A Individuals

People with Blood Type A were the original farmers and grain gatherers.

  • Fragile digestive systems
  • Cannot tolerate animal protein
  • Classic “vegetarian”
  • Do not absorb Vitamin B12 properly
  • Prone to pernicious anemia
  • Usually lactose intolerant
  • Feel good after calming, centering exercises

They have fragile digestive systems. These people cannot tolerate animal protein well, and should be the proverbial, classic “vegetarian” of the human species.

They also are usually lactose intolerant, as well. Persons with Blood Type A should avoid animal protein and dairy products, and would do well with whole grains, legumes, fruits and vegetables.

Tofu and Hawaiian Spirulina should become the Blood Type A person’s best friends.

Tofu and Hawaiian Spirulina contains high-quality vegetable protein. Persons with Blood Type A do not produce enough hydrochloric acid in their stomachs, and that is why they have a difficult time digesting animal protein well.

This also gives them a predisposition toward getting stomach cancer, and should never eat smoked or cured meats due to the sodium nitrites in them. Animal protein and dairy products tend to rot and ferment in their digestive tracts, and the toxic bacteria backs up into their tissues and muscles, thereby causing digestive distress.

A lack of sufficient hydrochloric acid in their stomachs is another reason that persons with Blood Type A do not absorb Vitamin B12 properly from the foods they eat. Vitamin B12 is normally found in red meat, although B12 is also found in superior vegetable protein foods such as Hawaiian Spirulina, soy products and sea kelp.

 

Supplementing Blood Type A diet with Vitamin B12 and iron is critical.

This inability to absorb Vitamin B12 sufficiently from food tends to make the person with Blood Type A prone to pernicious anemia. Therefore, supplementing the diet with Vitamin B12 is critical.

Also recommended is supplementation with digestive enzymes such as betaine, bromelain and papain. Bromelain is derived from pineapple, and assists with the digestion of animal protein. Betaine will help to increase the amount of hydrochloric acid in their stomachs.

The best exercise for these persons is not the heavy, vigorous workouts, but more calming, centering exercises like Tai Chi, Hatha Yoga and golfing. These soothing types of exercises will relieve the Blood Type A person’s stress in a more beneficial way.

 

Foods that encourage weight gain Foods that encourage weight loss
  • Meat
  • Dairy food
  • Kidney beans
  • Lima beans
  • Wheat (in excess)
  • Sugar
  • White flour
  • Vegetable oils, such as olive and flaxseed
  • Soy foods
  • Spirulina
  • Vegetables
  • Pineapple

 

Other foods to avoid:

Meat & Poultry bacon, beef, ground beef, buffalo, duck, goose, ham, hart, lamb, liver, mutton, partridge, pheasant, pork, rabbit, veal, venison, quail.
Seafood anchovy, barracuda, beluga, bluefish, bluegill bass, catfish, caviar, clam, conch, crab, crayfish, eel, flounder, frog, gray sole, haddock, hake, halibut, herring (fresh & pickled), lobster, lox (smoked salmon), mussels, octopus, oysters, scallop, shad, shrimp, sole, squid (calamari), striped bass, tilefish, turtle.
Cheeses & Dairy American, blue cheese, brie, butter, buttermilk, Camembert, casein, cheddar, colby cheese, cottage, cream cheese, edam, emmental cheese, gouda, gruyere, ice cream, Jarlsberg, Monterey Jack cheese, Muenster cheese, Parmesan, provolone, Neufchatel, sherbet, skim or 2% milk, Swiss, whey, whole milk.
Oils corn, cottonseed oil, peanut, safflower, sesame.
Nuts & Seeds brazil, cashews, pistachios.
Beans & Legumes copper, garbanzo, kidney, lima, navy, red beans, tamarind beans.
Cereals cream of wheat, familia, farina, granola, grape nuts, wheat germ, seven grain, shredded wheat, wheat bran.
Breads & Muffins English muffins, high-protein bread, matzos wheat, multi-grain bread, pumpernickel, wheat bran muffins, whole wheat bread.
Grains & Pastas white & whole wheat flour, semolina & spinach pasta.
Vegetables cabbage (Chinese, red, white), eggplant, lima beans, mushroom (domestic), olives (black, Greek, Spanish), peppers (green, jalapeño, red, yellow), potatoes (sweet, red, white), tomatoes, yams.
Fruits bananas, coconuts, mangoes, melon (cantaloupe & honeydew), oranges, papayas, plantains, rhubarb, tangerines.
Juices orange, papaya, tomato.
Spices capers, plain gelatin, pepper (black, cayenne, peppercorns, red pepper flakes, white), vinegar (apple cider, balsamic, red wine, white), wintergreen.
Condiments ketchup, mayonnaise, pickles, pickle relish, Worcestershire sauce.
Herbal Teas catnip, cayenne, corn silk, red clover, rhubarb, yellow dock.
Beverages beer, distilled liquor, seltzer water, all sodas, black teas.

Nutrition & Exercise Tips for Type B Individuals

Can digest all types of foods with ease

  • Tolerant digestive systems
  • Cannot digest wheat products containing gluten very well
  • Can handle dairy products

Persons with Blood Type B have tolerant digestive systems, and can tolerate most foods equally well, with some exceptions.

They are the lucky ones who can digest all types of foods with ease. However, the foods they should avoid are corn, buckwheat, lentils, peanuts, and sesame seeds, as these foods will tend to make them gain weight.

 

Just like the Type Os, Type Bs tend to have a problem with gluten in wheat products and wheat germ, which can cause a drop in their blood sugar levels, causing symptoms of hypoglycemia (low blood sugar). Blood Type Bs who want to lose weight should definitely avoid wheat products.

Type Bs can handle dairy products okay, compared to the other blood types. However, easy does it; if you consume too many high-calorie dairy products, you will gain weight! If you get hypoglycemia after eating a meal, sipping licorice tea would be beneficial for you. It is not advisable to take licorice supplements, however, unless under the supervision of a doctor.

Foods that encourage weight gain Foods that encourage weight loss
  • Chicken
  • Corn
  • Wheat
  • Buckwheat
  • Lentils
  • Peanuts
  • Sesame seeds
  • Green vegetables
  • Red meat such as lamb, mutton and rabbit; liver; turkey; pheasant
  • Eggs/low-fat dairy products, including eggs from chicken
  • Seafood, especially deep ocean fish such as cod and salmon, also flounder, halibut and sole
  • Licorice tea (Licorice tea is great to sip after a meal, as this will prevent hypoglycemia)
  • Soy foods
  • Olive and flaxseed oil
  • Oatmeal
  • Oat bran
  • Millet
  • Rice bran
  • Spelt
  • Puffed rice

Other foods to avoid:

Corn; lentils; black-eyed peas; garbanzo beans; peanuts; sesame seeds; buckwheat; wheat; and chicken (chicken is bad for the Type B’s); shellfish; tomatoes; tofu; artichokes; avocados; olives: black, green, Greek, Spanish; pumpkin; radishes; mung bean sprouts; radish sprouts; tempeh; oils: canola, corn, cottonseed, peanut, safflower, sesame and sunflower;

coconuts; persimmons; pomegranates; prickly pears; rhubarb; starfruit; allspice; almond extract; barley malt; cinnamon; cornstarch; corn syrup; plain gelatin; black and white pepper; tapioca; ketchup; hard distilled liquor; seltzer water; all sodas; amaranth; barley; cornflakes; cornmeal; cream of wheat; kamut; kasha; rye; seven-grain; shredded wheat; wheat bran; wheat germ.

Nutrition & Exercise Tips for Type AB Individuals

Less than 5% of the world’s population has Blood Type AB

Very rare, and the gentle offspring of Type A and Type B blood. This blood type has only been around for about 1000 years. Less than 5% of the world’s population has Blood Type AB. You combine the best and the worst of Blood Types A and B. Most foods that are bad for the Type A and Type B persons, are also bad for the Type AB person, with the exception of tomatoes.

The Blood Type AB person can tolerate tomato lectins well. Like Type A, you do not produce enough hydrochloric stomach acid to digest animal protein well, such as red meat and poultry, yet you do need some animal protein. Therefore, portion size is important, and with less frequency.

Be sure to take bromelain, a digestive enzyme derived from pineapple, to assist with the digestion of your animal protein meals. The best meats for you are lamb, mutton, rabbit and turkey. Also, avoid smoked and cured meats.

 

Foods that encourage weight gain Foods that encourage weight loss
  • Red meat
  • Kidney beans
  • Lima beans
  • Seeds
  • Corn
  • Buckwheat
  • Wheat
  • Tofu
  • Seafood
  • Dairy
  • Green vegetables
  • Spirulina
  • Sea kelp
  • Pineapple

 

Other foods to avoid:

Meat & Poultry bacon, beef, ground beef, buffalo, chicken, cornish hen, duck, goose, ham, heart, partridge, pork, veal, venison, quail.
Seafood anchovies, barracuda, beluga, bluegill bass, clams, conch, crab, crayfish, eel, flounder, frog, haddock, halibut, herring (pickled), lobster, lox (smoked salmon), octopus, oysters, sea bass, shrimp, sole, striped bass, turtle, yellowtail.
Cheeses & Dairy American, blue cheese, brie, butter, buttermilk, Camembert, ice cream, Parmesan, provolone, sherbet, whole milk. Oils: corn, cottonseed oil, safflower, sesame, sunflower.
Oils corn, cottonseed oil, peanut, safflower, sesame.
Nuts & Seeds filbert; poppy seeds; pumpkin seeds; sesame butter (tahini); sesame seeds; sunflower butter; sunflower seeds.
Beans & Legumes azuki, black, vicia faba, garbanzo, kidney, lima; black-eyed peas.
Cereals cornflakes; cornmeal; kamut; kasha; corn muffins.
Breads & Muffins
Grains & Pastas buckwheat kasha; barley flour; artichoke pasta; soba (buckwheat) noodles.
Vegetables artichoke (domestic & Jerusalem); avocado; white & yellow corn; lima beans; black olives; peppers: green, jalapeño, red, yellow; radishes; sprouts: mung bean & radish.
Fruits bananas; coconuts; guava; mangoes; oranges and orange juice; persimmons; pomegranates; prickly pears; rhubarb; starfruit.

 

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