3 basic principles of the blood type diet

Blood can tell a lot about a person, because it is basically a carrier of life and destiny. Did you know that there was also a diet based on blood type, which was very fashionable at one point? Some fats are still interested in it and study the list of allowed products.

It should be said right away that this technique has been criticized more than once by doctors and has no scientific basis. But the informed is armed, so let's try to find out everything about this diet.

Dietary history

Once upon a time, people believed that everyone had the same blood. Remember the fairy tale about Mowgli? "You and I have the same blood - you and me! "But soon, after trying to share their blood with the sick and injured, a theory emerged that the blood was actually different.

Many scientific studies and experiments with animals and humans were carried out, but only in 1900 three blood groups were discovered by Karl Landsteiner, and soon the fourth was discovered by his students.

Currently, the world has adopted an alphanumeric classification:

• O or I – first;
• A (II) – second;
• B (III) – third;
• AB (IV) – fourth.

The most common blood groups in the world are the first and second blood groups. Its carriers are 80% of all humans. The third is less common, 15% have it, and the fourth is considered the rarest and is represented by only 5%.

American naturopathic doctor Peter D'Adamo proposed at the end of the twentieth century that if some human diseases are directly related to genetic characteristics and often depend on blood type, then the possibility of nutrition according to blood type is also possible. He asks about preferences for certain foods from each of his patients and devises the right diet for each group. All products are divided into useful, undesirable and neutral.

D'Adamo has written several books on diet. They were a resounding success among American readers and became bestsellers. Then his concept of "4 types of blood - 4 paths to health" spread around the world, and everyone who wanted to lose weight rushed to try the new diet.

What is he?

Basic principles and rules

Nutrition according to blood group is as follows.

• In each period of human evolution, there is a certain diet, when it changes, the blood mutates and new groups appear. And, therefore, for each group there is a set of basic products.
• To keep your body in shape, you need to eat the way your ancestors did with a certain blood type. Thanks to the biochemical relationship between blood and food, "correct" food is better absorbed, digested faster, improves metabolism and strengthens the immune system.
• If you exclude the "wrong" foods from your diet, you can improve the body's performance, promote health and extend life.

An example is moving to another habitat or tourism, when the local unusual cuisine is not accepted by the body and health problems begin.

If a resident of the Far North, who has been eating fatty protein food all his life, decides to move to Europe with cuisine rich in carbohydrates, then there is a high risk of diabetes and digestive problems.

You don't have to go far for examples, look around. Some people hate milk, others prefer plant foods, and others will simply starve if they don't eat a large piece of meat. Maybe this is not without reason?

General food schedule for all groups

Let's get acquainted with Dr. D'Adamo's research, which divides food according to blood type, highlighting prohibited, permitted and neutral.

Legend:

• products that should be restricted are indicated with a "-" sign;
• allowed – "+";
• neutral – "0".

Product name		Group	blood
	me	II	III	IV
Cereals and flour products
Bagels	—	—	—	0
Rice wafers	0	+	+	+
Hot yeast product	—	—	0	0
Buckwheat	0	+	—	—
Cornflour	—	0	—	—
Semolina	—	—	0	0
Pearl barley	0	0	—	0
barley porridge	0	0	—	0
corn	—	0	—	—
Pasta	—	—	0	0
Buckwheat flour	0	+	—	—
Wheat flour (of the durum type)	—	—	0	0
Corn grits and flour	—	0	—	—
Oatmeal	—	+	+	+
rye flour	0	+	—	+
Muesli	—	—	—	0
"Crackers" Cookies	—	—	0	0
Oatmeal cookies	—	0	+	0
Millets	0	0	+	+
Rye ginger bread	0	—	0	0
Wheat	—	—	—	0
rice	0	0	+	+
rye	0	+	—	0
Grain bread	—	—	—	0
Whole bread	—	—	—	0
Spelled bread	0	0	0	0
Wheat-rye bread	0	0	0	0
Wheat Bread	—	0	+	0
Rye bread	0	0	—	+
Rye bread	0	+	—	+
Corn flakes	—	0	—	—
Grains	—	0	+	+
Wheat flakes	—	—	—	0
Barley	0	0	—	0
Juices and drinks
Apricot	0	+	0	0
Cherry plum	+	+	0	0
Pineapple	+	+	+	0
Orange	—	—	0	—
Birch	0	0	0	0
Grapes	0	0	+	+
cherry	+	+	0	+
pomegranate	0	0	—	—
grapefruit	0	+	0	0
Cabbage	—	0	+	+
Cranberry	0	0	+	+
citric	0	+	0	0
carrot	0	+	0	0
cucumber	0	0	0	0
celery	0	+	0	+
Plums	+	+	0	0
tomatoes	0	—	—	0
Apple cider	—	0	0	0
Apple	—	0	0	0
Boiled water and herbal tea
Hawthorn	0	+	0	+
Valerian	0	+	0	0
Ginseng	0	+	+	+
St. John's wort	—	+	0	0
Strawberry leaves	—	0	0	+
Linden	+	0	—	—
Burdock	—	+	0	+
Raspberries	0	0	+	0
Coltsfoot	—	0	—	—
Mint	0	0	0	0
Dandelions	+	0	0	0
Parsley	+	0	+	0
Chamomile	0	+	0	+
Licorice root	0	0	+	+
Yarrow	0	0	0	0
Thyme	0	0	0	0
Echinacea	0	+	0	+
Give rosehip	+	+	+	+
dairy
Whole milk	—	—	0	—
Yogurt	—	0	+	+
Food grade casein	—	—	0	0
Kefir	—	0	+	+
Goat's milk	—	0	+	+
Skim milk	—	—	+	0
Milk serum	—	—	0	0
Ice cream	—	—	—	—
cream	—	—	0	—
Sour cream	—	0	+	+
Cow's milk cheese	—	—	0	0
Sheep cheese	0	0	+	+
Processed cheese	—	0	0	—
Cheese curds	0	0	+	+
Homemade cottage cheese	0	0	+	+
Oils and fats
cod oil	0	0	0	0
Margarine	0	0	—	—
Peanut butter	—	—	—	0
Coconut oil	—	—	—	—
Corn oil	—	—	—	—
Flaxseed oil	+	+	0	0
Olive oil	+	+	+	+
Sunflower oil	0	0	—	—
Butter	0	—	0	—
Soybean oil	0	0	—	0
Cottonseed oil	—	—	—	—
Nuts and seeds
groundnut	—	+	—	+
walnut	+	0	0	+
pine nuts	0	0	—	0
almonds	0	0	0	0
Hazelnuts	0	0	—	—
Poppy seeds	—	0	+	+
Sunflower seed	0	0	—	—
Pumpkin seeds	+	+	—	—
Pistachio	—	—	—	0
Vegetables and mushrooms
Sweet potatoes	+	—	+	+
Sweden	0	0	+	0
Oyster mushroom	0	+	0	0
Daikon	0	0	0	0
Zucchini, zucchini	0	0	0	0
White cabbage	—	—	+	0
Broccoli	+	+	+	+
Brussels sprouts	—	0	+	0
Chinese cabbage	—	—	+	0
red cabbage	—	—	+	0
Cabbage	+	+	+	+
cauliflower	—	—	+	+
Potatoes	—	—	—	0
Kohlrabi	+	+	0	0
watercress	+	+	+	+
Green onions	0	+	0	0
Leeks	+	+	0	0
Onion bulbs	+	+	0	0
carrot	0	+	+	0
cucumber	0	0	0	+
Parsnips	+	+	0	+
Hot pepper	+	—	+	+
Sweet pepper	0	—	+	+
Rhubarb	—	—	—	—
turnip	0	0	—	—
turnip	0	0	—	—
turnip	+	+	0	0
lettuce	0	0	0	0
Lettuce leaves	0	0	0	—
bits	0	0	0	0
Beetroot	+	+	+	+
celery	0	0	0	+
Asparagus	0	0	0	0
tomatoes	0	—	—	0
Jerusalem artichoke	+	+	0	0
pumpkin	+	+	—	0
Chicory	+	+	0	0
Champignons	—	—	0	0
Spinach	+	+	0	0
Beans
Soy bean	0	+	+	+
"Navy" beans	—	—	+	+
Black bean	0	+	—	—
Green bean	0	0	0	0
Green bean	0	0	0	0
Soy milk	+	+	0	0
Soy cheese	+	+	0	0
White bean	0	0	0	0
Various nuts	+	+	—	+
Lentils	—	+	—	+
Herbs and spices
Vanilla	—	0	0	0
Carnation	0	0	0	0
Mustard	0	+	0	0
Fruit jam and jelly	0	0	0	0
tomato sauce	—	—	—	—
cilantro	0	0	0	0
Cinnamon	—	0	—	0
bay leaves	0	0	0	0
Mayonnaise	0	—	—	0
Dear	0	0	0	0
Nutmeg fruit	—	0	0	0
Paprika	0	0	0	0
Pepper curry	+	0	+	+
Black pepper	—	—	0	—
Parsley	+	0	+	+
sugar	0	0	0	0
Pickles and marinades	—	0	0	—
cumin	0	0	0	0
Dill	0	0	0	0
White vinegar	—	—	0	—
Wine vinegar	—	—	0	—
apple cider vinegar	—	—	0	—
Fennel	0	0	0	0
horseradish	0	0	+	+
chocolate	0	0	0	0
Fruits and berries
Avocado	—	0	—	—
Cherry plum	+	+	+	+
a pineapple	0	+	+	+
Orange	—	—	0	—
watermelon	0	0	0	0
banana	0	—	+	—
Barberry	0	—	—	—
Cowberry	0	+	+	+
Grapes	0	0	+	+
cherry	0	+	0	+
Blue berries	0	+	0	0
pomegranate	0	0	—	—
grapefruit	0	+	0	+
pears	0	0	0	0
watermelon	—	—	0	0
Blackberry	—	+	0	0
raisins	0	0	0	0
Fig	+	+	0	+
Kiwi fruit	0	0	0	+
Strawberry	—	0	0	0
Cranberry	0	+	+	+
Gooseberry	0	0	0	+
Lemon	0	+	0	+
Raspberries	0	0	0	0
Mandarin	—	—	0	0
Green olives	—	—	—	0
Black olives	—	—	—	0
Nectarine	0	0	0	0
Coconut	—	—	+	+
peaches	0	0	0	0
Plums	+	+	+	+
Currants	0	0	0	0
persimmon	0	0	—	—
cherry	+	+	0	+
Blue berries	0	+	0	0
Prunes	+	+	0	0
Apple	+	+	+	+
Seafood
carp	0	+	0	0
sniffed	0	0	0	0
catfish	—	—	0	0
Caviar	—	—	—	+
squid	0	—	0	—
flounder	0	—	+	—
Salmonidae	+	+	+	+
Smoked salmon	—	—	—	—
mackerel	+	+	+	+
Seaweed	+	0	—	0
sea bass	0	0	+	+
landed on the river	0	0	0	0
Sturgeons	+	0	+	+
Halibut	+	—	+	—
Crustacea	0	—	—	—
Pickled herring	—	—	+	—
fresh herring	+	+	0	0
Salted herring	—	—	0	—
White fish	+	+	+	+
River pike	+	0	+	+
Som	—	—	0	0
Zander	0	+	+	+
Cod	+	+	+	+
Tuna	0	0	0	+
Acne	0	—	—	—
mackerel	+	+	+	+
Trout	+	+	+	+
Hake	+	—	+	—
Meat products, chicken, eggs
Ham	—	—	—	—
Beef	+	—	0	—
Ground beef	+	—	0	—
calf	+	—	0	—
Bacon	—	—	—	—
goat meat	+	—	+	+
Rabbit meat	0	—	+	+
Goose	—	—	—	—
Duck	0	—	—	—
Turkey meat	+	0	0	+
Broiler chicken	0	0	—	—
Eggs	0	0	+	0
Chicken meat	0	0	—	—
Ham	—	—	—	—
Heart	+	—	—	—
heart	+	—	0	0
Hello	—	—	0	0
pork	—	—	—	—
Other drinks
White wine	0	0	0	0
Red wine	0	+	0	0
Drinking water	+	+	+	0
Vodka	—	—	—	—
Coca Cola	—	—	—	—
Cognac	—	—	—	—
Black coffee	—	+	0	+
Orange juice	—	—	—	—
Alcohol tincture	—	—	—	—
beer	0	—	0	0
Soda drinks	+	—	—	0
Green tea	0	+	+	+
Black tea	—	—	0	—

Diet according to blood type 1

The most common in the world is the first positive blood group. Most often it is found among Eastern Slavs and American Indians.

People with the first blood group are universal donors, that is, this type of blood is suitable for everyone. By the way, mosquitoes prefer the first blood group over all others.

Characteristics of eating behavior (hunters, carnivores)

Of course all ancient people living in primitive communal systems had the first blood group, and everything else happened by mutation.

Now remember the history of the Ancient World, archaeological excavations and the conclusions of scientists - 40, 000 years ago, primitive people lived by hunting and gathering. Their main diet includes meat, meat and more meat, and only roots, herbs and some edible fruits and berries that grow wild in the forest.

Therefore, the owners of the first group carry the most ancient hunter genes and their bodies at the gene level need as much protein as possible. Nutrition, unfortunately, is the poorest. If you decide on such a diet, then you will have to give up a large amount of your favorite foods.

The diet for the first blood group includes meat, fish and vegetables. It is better not to consume milk and its derivatives at all.

Allowed and prohibited products

	What you can eat	What needs to be limited	Neutral product
meat	Beef, veal, lamb, turkey, offal (liver, heart), minced meat.	Ham, ham, smoked meat, pork, lard, goose.	Rabbit, duck meat, broiler, chicken, eggs.
Fish and seafood	Halibut, sturgeon, seaweed, fresh herring, pike, cod, mackerel, trout, hake.	Salted and pickled herring, catfish, caviar, smoked salmon, catfish.	Carp, smelt, flounder, squid, perch, pike perch, tuna, eel, crustaceans.
Oil	Olives and flax seeds.	Peanuts, corn, cottonseed, soybeans.	Cod liver oil, margarine, soybean, sunflower and butter.
Nuts and seeds	Walnuts, pumpkin seeds.	Peanuts, poppy seeds, pistachios.	Almonds, hazelnuts, pine nuts, sunflower seeds.
dairy	—	Almost all dairy products.	Lamb and cottage cheese, cottage cheese.
Vegetables and fruits	Broccoli, kale, kohlrabi, watercress, leeks, onions, parsnips, hot peppers, radishes, Jerusalem artichokes, squash, chicory, spinach, cherry plums, figs, plums, cherries, prunes, apples.	White cabbage, Brussels sprouts, Chinese cabbage, red cabbage, cauliflower, potatoes, rhubarb, champignons, lentils, avocados, oranges, melons, blackberries, tangerines, olives.	Zucchini, green onions, carrots, cucumbers, sweet peppers, radishes, turnips, lettuce, lettuce, beets, celery, asparagus, tomatoes, black beans, mung beans, mung beans, white beans, pineapple, watermelon, bananas, lingonberries, grapes , cherries, blueberries, pomegranates, grapefruits, pears, raisins, kiwis, cranberries, gooseberries, limes, raspberries, nectarines, peaches, raisins, persimmons, blueberries.

Sample menu for one day

• Breakfast– grilled beef steak, fresh vegetable salad.
• Snack– apples or any other fruit allowed in season.
• dinner– grilled trout, green tea.
• Afternoon snack– a handful of walnuts.
• dinner– seafood cocktail with seaweed.

Diet according to blood type 2

A no less common group. It is actually a few hundred years younger than the first and was formed through mutation after ancient hunters decided to settle down and engage in agricultural work.

People with type O blood produce more of the hormone cortisol, which helps cope with stress. In addition, they are, unfortunately, prone to alcoholism.

Characteristics of eating behavior (farmers)

25, 000 years ago, meat-eating hunter-gatherers learned to work the land and receive its bounty. This was the beginning of the development of the agricultural way of life. People began to build settlements, cultivate fields, grow grain crops and vegetables.

There was less protein food, animals shunned humans, and it became harder to get meat.

Sometimes the second blood group is called "vegetarian". The largest number of its speakers live in Europe.

The diet of people with the second blood group should include vegetarian dishes, fish, chicken and dairy products. But it is advised to give up coffee, nuts and meat.

Allowed and prohibited products

	What you can eat	What needs to be limited	Neutral product
meat	—	Beef, veal, lamb, offal (liver, heart), minced meat, ham, bacon, ham, goose and duck meat, pork, rabbit, lard.	Eggs, broiler, chicken, turkey.
Fish and seafood	Types of salmon, carp, mackerel, fresh herring, cod, mackerel, trout.	Squid, catfish, caviar, halibut, flounder, smoked salmon, catfish, crustaceans, salted herring.	Smell, seaweed, pike, tuna, perch, sturgeon.
Oil	Olives and flax seeds.	Peanuts, coconuts, corn, cotton, butter.	Cod liver oil, margarine, soy and sunflower.
Nuts and seeds	Peanuts, pumpkin seeds.	Pistachio.	Almonds, hazelnuts, poppy seeds, sunflower seeds, pine nuts and walnuts.
dairy	—	Milk, ice cream, cream, whey, cow's milk cheese.	Yogurt, kefir, goat's milk, sour cream, sheep and cottage cheese, cottage cheese.
Vegetables and fruits	Broccoli, collards, kohlrabi, watercress, green onions, scallions, onions, carrots, parsnips, turnips, pumpkin, chicory, spinach, black beans, variegated beans, lentils, cherry plums, pineapple, lingonberries, cherries, blueberries, grapefruit, blackberry, fig, cranberry, lemon, plum, cherry, blueberry, prune, apple.	Tomatoes, white cabbage and cauliflower, champignons, olives, hot and sweet peppers, potatoes, rhubarb, tangerines, bananas, oranges.	Paprika, nutmeg, coriander, cloves, radishes, beets, cucumbers, zucchini, fennel, Brussels sprouts, turnips, lettuce, celery.

Sample menu for one day

• Breakfast– buckwheat porridge, Korean carrots, green tea.
• Snack– any fruits or vegetables allowed.
• dinner- boiled chicken breast with green bean side dish.
• Afternoon snack– carrot juice.
• dinner– fruit salad with cottage cheese.

Diet according to blood type 3

The third group is quite rare and more characteristic of Asians - they were famous in ancient times for their large herds of livestock - horses, cows, goats and sheep. Of course, they had to wander from place to place to feed the animals.

Peculiarities of eating behavior (nomads)

As soon as milk and dairy products were actively introduced into the diet, and this happened about 10, 000 years ago, the blood mutated again.

The largest number of people with the third blood group live in Asia - these are hereditary nomads.

People of this type are the luckiest - they have almost no restrictions, they are omnivores. It is necessary to exclude semi-finished products, smoked meat, and alcohol.

Allowed and prohibited products

	What you can eat	What needs to be limited	Neutral product
meat	Goat, rabbit, egg.	Ham, bacon, pork, duck, goose and chicken, chicken.	Beef and veal, turkey, lard.
Fish and seafood	Almost all types of fish.	Smoked salmon, caviar, seaweed, eel, crustaceans.	Carp, smelt, perch, herring, tuna, catfish.
Oil	Olive.	Margarine, peanuts, coconut, corn, cottonseed, soybeans, sunflower.	Butter and flaxseed, cod liver oil.
Nuts and seeds	Poppy.	Peanuts, pine nuts, hazelnuts, pumpkin and sunflower seeds.	Walnuts, almonds.
dairy	Yogurt, kefir, goat's milk, sour cream, sheep's cheese, cottage cheese.	Ice cream.	Whole milk, cheese, whey, cream.
Vegetables and fruits	Cauliflower, white and red cabbage, carrots, broccoli, hot and sweet peppers, beets, watercress, pineapple, lingonberries, bananas, grapes, apples, cranberries, plums.	Corn, lentils, beans, potatoes, rhubarb, radishes, radishes, tomatoes, pomegranates, avocados, pumpkins, barberries, olives, persimmons.	Watermelon, spinach, watermelon, grapefruit, cherry, fig, blueberry, raisin, pear, blackberry, blueberry, lime, kiwi, strawberry, gooseberry, prune, raspberry, nectarine, currant, peach, sweet cherry, dill, kohlrabi, onions, zucchini, asparagus, parsnips, radishes, beets, celery, Jerusalem artichokes.

Sample menu for one day

• Breakfast– boiled eggs, cottage cheese, herbal tea.
• Snack– seasonal fruits.
• dinner– creamy mushroom soup, rabbit stew.
• Afternoon snack– natural yogurt with banana slices.
• dinner– stewed beef with green beans.

Diet according to blood type 4

The fourth group was formed by mixing the second and third groups after people began to live in large settlements and cities.

People with type IV blood are more likely to develop senile dementia and Alzheimer's disease. But they are also universal donors of plasma, which is very valuable in the treatment of burns.

Peculiarities of eating behavior (enigma)

This blood is the youngest, its age does not exceed two thousand years. It is truly unique in its composition and resistant to autoimmune and allergic diseases.

These people have a mixed type of diet; there are few dietary restrictions. But it is advisable for them to eat as much natural organic food as possible.

Allowed and prohibited products

	What you can eat	What needs to be limited	Neutral product
meat	Goat, rabbit, turkey.	Beef and veal, ham, bacon, chicken, pork.	Eggs, liver, lard.
Fish and seafood	Salmon, caviar, mackerel, perch, sturgeon, pike, pike perch, cod, tuna, trout, mackerel.	Squid, flounder, smoked salmon, halibut, salted herring, eel, hake.	Seaweed, carp, smelt, perch, catfish, fresh herring.
Oil	Olive.	Margarine, butter, coconut, corn, cottonseed, sunflower.	Peanuts, soy, flaxseed, cod liver oil.
Nuts and seeds	Peanuts, poppy seeds, walnuts.	Pumpkin and sunflower seeds, hazelnuts.	Almonds, pistachios, pine nuts.
dairy	Yogurt, kefir, goat's milk, sheep's cheese, cottage cheese, sour cream.	Ice cream, cream, whole milk.	Whey, cheese, skim milk,
Vegetables and fruits	Cabbage, beets, potatoes, figs, celery, kiwi, cherries, pineapple.	Black olives, green pepper, corn, banana, coconut, pomegranate.	Carrot, kohlrabi, horseradish, Chinese cabbage, apple, apricot, watermelon.

Sample menu for one day

• Breakfast– whole grain bread, tofu (tofu), radish salad.
• Snack- vegetables or cottage cheese.
• dinner– grilled fish with mashed potatoes, carrot salad.
• Afternoon snack- yogurt.
• dinner– omelette, salad, whole grain bread.

Does the Rh factor affect nutrition?

From school we know that there are four blood groups in total, and taking into account the Rh factor, their number is doubled. It was first discovered after research on rhesus monkeys, which is why it got its name. The Rh factor can be positive and designated (Rh+) or negative (Rh-). It shows the presence or absence of antigens (proteins) found on the surface of red blood cells (erythrocytes).

But in fact, the division of blood into only four groups is arbitrary - if we take into account all the properties of blood, then there will be more. D'Adamo ignores this fact.

In D'Adamo's famous book there is no mention at all about the influence of the Rh factor. Since more than 80% of the world's population has a positive Rh factor, the diet is designed specifically for these people.

Contraindications to diet

Without prior consultation with your doctor, it is forbidden for people with the following diseases to follow their own diet:

• diabetes;
• chronic digestive problems;
• hematopoietic disorders;
• ARVI.

In addition, if there is a disease that is getting worse, it is also not recommended to do any diet until you feel better.

Do not experiment on yourself under any circumstances during pregnancy or breastfeeding; remember that you are responsible not only for your life, but also for the baby.

Reviews of those who lost weight

• "This is an ideal diet for those who do not have health problems. But, if you are overweight, then a priori there are various types of diseases, so the diet stops working. It is easy, of course, there is a wide selection of products, but this method is notsuits me - the doctor forbids all the products that are allowed in the table to be eaten. It turns out that the table is almost 90% against the doctor's recommendations. "
• "I don't have a medical education, but I clearly see a big drawback - the diet is completely unscientific. One of them is that people with the second group should rely on vegetarian food, and those with the third and fourth are omnivores, but theyprecisely derived from the second. In general, I will not try. "
• "In a few months I lost 10 kg! The blood type diet is very cool, easy to lose weight. I think you can stay on this diet for the rest of your life. I recommend this great diet to everyone who wants to lose weight! "
• "Blood type nutrition is nonsense. Do not torture yourself with this healthy, harmful and neutral product. Eat everything in moderation, without fanaticism. If you want something sweet, eat 1-2 candies, not a whole bar of chocolate; ifyou want bread, cut a piece and eat, but don't starve yourself. "
• "I showed the product approved for the second blood group at work - the whole team laughed, wiped away tears and ate pieces of meat (yes, yes, half of our team is "farmers"). Honestly, I have never seen a better dietstupid and totally unacceptable! "

Doctor's opinion and criticism

Nutritional blood tests are not approved by doctors. After all, each person is so individual that it is necessary to conduct complex research and have data on more than sixty specific genes responsible for endocrine and enzyme activity, and only then create a diet. And blood type in this case is too general a factor and cannot be responsible for the correctness of the menu of a particular person.

Therefore, doctors clearly believe that D'Adamo's theory has no scientific basis, has been studied a little, but does not cause any particular harm. And in some cases, it also helps to stimulate the body and activate a more accelerated metabolism.

In addition, D'Adamo included really dangerous products among the prohibited foods for all blood groups - sausages and smoked meats, store-bought sauces, ice cream, carbonated drinks, alcohol and some others.

Well, don't forget about the placebo effect - someone believes and loses weight.

The pros and cons of the diet

Advantage:

• a large list of permitted products;
• portability;
• the ability to create a varied and balanced menu;
• you can stick to it for a long time.

Weakness:

• no clear plan about how, when and in what quantity to take certain products;
• diet has no scientific basis, all conclusions are too general;
• another profitable business for nutritionists and, of course, the inventor himself.

Conclusion

As practice shows, some people can actually lose weight with this diet. But they note that the results are not permanent - the weight always returns. So you need to eat right most of your life.