Type O's thrive on intense physical exercise and animal protein. Unlike the other blood types, Type O's muscle tissue should be slightly on the acid side. Type O's can efficiently digest and metabolize meat, because they tend to have high stomach-acid content. The success of the Type O Diet depends on the use of lean, chemical-free meats, poultry, and fish. Type O's don't find dairy products and grains quite as user friendly as do most of the other blood types.
Blood Type Diet - Type O Step Aerobics good for -Type O
The Eat Right Diet by Dr. DÁdamo. Century Books Ltd. 1998
The initial weight loss on the Type O Diet is by restricting consumption of grains, breads, legumes, and beans. The leading factor in weight gain for Type O's is the gluten found in wheat germ and whole wheat products, which interferes with insulin efficiency and slow down metabolic rate. Another factor that contribute to weight gain is certain beans and legumes (lentils and kidney beans) contain lectins that deposit in the muscle tissues making them less "charged" for physical activity. The third factor in Type O weight gain is that Type O's have a tendency to have low levels of thyroid hormone or unstable thyroid functions, which also cause metabolic problems. Therefore it is good to avoid food that inhibits thyroid hormone (cabbage, brussels sprouts, cauliflower, mustard green) but increase hormone production (kelp, seafood, iodized salt).
Several classes of vegetables can cause big problems for Type O's, such as the Brassica family (cabbage, cauliflower, etc.) can inhibit the thyroid function. Eat more vegetables that are high in Vitamin K, which helps the clotting factor which is weak in Type O's. The nightshade vegetables can cause lectin deposit in the tissue surrounding the joints.
Because of the high acidity stomach, Type O's should eat fruits of alkaline nature such as berries and plums..
Type O's should severely restrict the use of dairy products. Their system is not designed for the proper metabolism. If you are a Type O of African ancestry, you should eliminate dairy foods and eggs altogether.
I disagree with this author, when it comes to Soy. From research that I have done regarding Soy based foods like soy beans or Tofu, I feel the wise approach is to avoided all of them regardless of your blood type.
Want additional information? see
"Soy -The Dark Side"
Under heading For Your Information
| Characteristics of
Type O |
Best on High Protein Diet | |||
| Thrive on intense physical exercise and animal proteins | ||||
| Do not do well with dairy and grain products | ||||
| Hardy digestive tract | ||||
| The leading factor in weight gain for Type Os is the gluten found in wheat germ and whole wheat products. | ||||
| Type O have a tendency to have low levels of thyroid hormone and unstable thyroid functions, which cause metabolic problems and weight gain. | ||||
| Type O have high stomach-acid content, can digest meat easily. | ||||
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Comments | Most Beneficial | Food allowed | Food not allowed |
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The more stressful your job or demanding your exercise program, the higher the grade of protein you should eat | Beef, Lam, Mutton, Veal, Venison |
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| Protein | Type Os can efficiently digest and metabolize meats |
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Any meat except for those listed not allowed | Bacon, Ham, Goose, Pork |
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Cold-water fish are excellent for Type Os. Many seafoods are also excellent sources of iodine, which regulates the thyroid function. | Cod, herring, Mackerel | Any fish or seafood except for those listed not allowed | Barracuda, Pickled herring, Catfish, Smoked salmon, Caviar, Octopus, Conch |
| Dairy | Type Os need to severely restrict the use of dairy products and eggs |
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Butter, Farmer, Feta, Mozzarella, Goat cheese | All other dairy products and yogurts |
| Fat | Type Os respond well to oils | Olive Oil, Flaxseed oil | Canola oil, Sesame Oil | Corn oil, Peanut oil, Cottonseed oil, Safflower oil |
| Nuts | These foods should in no way take the place of high-protein meats, and they are high in fat especially if you are overweight. | Pumpkin seeds, Walnuts | All kinds except those listed not allowed | Brazil, Cashew, Peanut, Pistachios, Poppy Seeds |
| Beans | Type Os don't utilize beans particularly well. They tend to make muscle tissue slightly less acidic and inhibit the metabolism of other nutrients. | Aduke beans, Azuki beans, Pinto beans, Black-eyed peas | All kinds except those listed not allowed | Beans - copper, kidney, navy, tamarine. Lentils - domestic, green, red. |
| Grains | Type Os do not tolerate whole wheat products at all. | Essene Bread, Ezekiel Bread | Amaranth, Barley, Buckwheat, Rice, Kamut, Kasha, Millet, Spelt | Corn, Gluten, Graham, Wheat (Bulgur, Durum, Sprouted, white and whole, Germ and Bran) farina, Oat, Seven-grains, or any products such as flour, bread and noodles made with these grain products |
| Vegetables | These vegetables inhibit the thyroid function for Type Os |
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Brassica family: Cabbage, Brussels sprouts, cauliflower, mustard greens |
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These vegetables help blood clot, Type Os lack several clotting fractors and need vitamin K to assist in the process | Kale, collard greens, romaine lettuce, broccoli, spinach |
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These vegetables irritate the digestive tract and the high mold count can aggravate Type O hypersensitivity problems. |
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Alfalfa sprouts, shiitake mushrooms, fermented olives | |
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These vegetables can cause arthritic conditions in Type Os |
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Nightshades: eggplant, potatoes |
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This vegetable affect the production of insulin, often lead to obesity and diabetes for the Type Os. |
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Corn |
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This fruit agglutinate all blood types but Type Os. |
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Tomatoes |
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Artichoke, Chicory, Dandelion, Garlic, Horseradish, Kale, Leek, Okra, Onions, Parsley, Parsnips, Red Peppers, Sweet potatoes, Pumpkin, seaweed, turnips | All kinds except those listed not allowed | avocado |
| Fruits | Dark red, blue and purple fruits tend to cause an alkaline reaction the digestive tract, and therefore balance the high acidity of the Type Os digestive tract to reduce ulcers and irritations of the stomach lining. | Plums, prunes, figs |
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These fruits contain high mold counts which can aggravate Type Os hypersensitivity problems (allergies) |
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Melons, cantaloupe, honeydew | |
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These fruits are high in acid content which may irritate the acidic stomach of Type Os |
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Grapefruit, most berries | Oranges, tangerines and strawberries, blackberries, Rhubarb |
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Fruits are not only an important source of fiber, minerals and vitamins, but they can be an excellent alternative to bread and pasta for Type Os |
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All kinds except those listed not allowed | |
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Type Os are extremely sensitive to this fruit. |
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coconut and coconut-containing products |
| Spices | Rich source of Iodine to regulate the thyroid gland | Kelp-based seasonings, iodized salt |
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Soothing to the digestive tracts of Type Os | Parsley, curry, cayenne pepper |
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Irritants to the Type O stomach |
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White and black pepper, vinegar, capers, cinnamon, Cornstarch, Corn syrup, Nutmeg, Vanilla |
| Condiments |
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Ketchup, pickles, mayonnaise, relish |
| Beverages |
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Seltzer water, Club soda and tea |
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Coffee, Distilled liquor, Black Tea |
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The information on MY PATIENTS WEBSITE with Dr. Tindall, D.C., C.C.S.T. are provided for the purposes of education only and is not intended as a substitute for advice from your physician or other health care professional. Any products recommend or claims made about specific products on or through this site have not been evaluated by the United States Food and Drug Administration and are not intended to diagnose, treat, cure or prevent disease. . You should not use the information on this site for diagnosis or treatment of any health problem or for prescription of any medication or other treatment. You should consult with a healthcare professional before starting any diet, exercise or supplementation program, before taking any medication, or if you have or suspect you might have a health problem.