Blood group diet

The following is a brief summary of the blood type diet as developed by Peter D’Adamo. If this interests you, please do refer to his website for more information using the link below:

Peter D’Adamo

There are several different blood groups, each one of which gives us information about our ideal diet. This relevance comes from our ancestors, whose digestive systems developed over thousands of years based on the available food sources of the time. Each blood group has its own distinctive history, which is reflected in the preferred eating habits of today.

Blood type O – hunters and predators, living primarily on meat. This type have hardy digestive tracts and respond well to intense exercise.

Blood type A – farmers who prefer close communities and agricultural produce. This type have sensitive digestive tracts and respond well to a vegetarian diet and gentle exercise.

Blood type B – originating from the Himalayan highlands, a nomadic mixture of warlike tribes from the North and farmers from the South. This type have strong digestive systems and can enjoy a varied diet. They benefit from all but the most strenuous types of exercise.

Blood Group AB – found in less than 5% of the population, this group is a hybrid of A and B, created when Attila the Hun invaded the settled areas of central Europe. This type have sensitive digestive tracts but there are no clear patterns within their preferred diet. Like blood group A, they respond well to gentle exercise.

‘Lectins’

Each blood group responds differently to the glue-like proteins called lectins which exist in different forms in all food types. Although 95% of lectins are destroyed by our immune system, a small amount filter into our bloodstream. Once there, the wrong type of lectin for our blood type will react with our blood cells and nervous tissue, causing inflammation and anxiety.

It is often impractical to exclude food groups entirely from our diet, but a change of emphasis in favour of foods that contain the right lectins for our blood group is beneficial in a number of ways. It helps us :

  • digest our food and absorb essential nutrients

  • avoid many common viruses and infections

  • lose weight as our bodies rid themselves of fats and toxins

  • avoid life threatening diseases

  • avoid rapid cell deterioration, thereby slowing the ageing process.

The table below summarises how different foods react with the four blood groups. These guidelines represent good general advice but should not override the results of a personal food sensitivity test.

Table of common foods

 = beneficial food N = neutral X = minimise / avoid .

Underlined symbols represent foods that encourage weight loss.

Food

Blood Group

Food

Blood Group

O

A

A/B

B

O

A

A/B

B

Meats Nuts/seeds
Beef

X

X

N

Pumpkin seeds

X

X

Lamb

X

Sunflower seeds

N

N

X

X

Kidney

X

N

N

Brazil

X

X

N

N

Liver

N

N

N

Cashew

X

X

N

X

Chicken

N

N

X

X

Peanuts

X

X

Turkey

N

N

N

Cereals
Bacon

X

X

X

X

Oats

N

N

Ham

X

X

X

X

Rice

N

N

Pork

X

X

X

X

Cornflakes

X

N

X

X

Seafood Wheat

X

X

N

X

Cod

Vegetables
Salmon

N

N

Broccoli

Sardine

Onions

N

N

Sole

X

X

N

Parsnips

Swordfish

N

N

N

Spinach

N

N

Haddock

N

X

X

Carrots

N

N

N

Prawns

N

X

X

X

Mushrooms

N

N

N

N

Smoked Salmon

X

X

X

Peppers

N

X

X

Dairy Tomatoes

N

X

N

X

Butter

N

X

X

N

Sweetcorn

X

N

X

X

Soya

N

N

N

Potatoes

X

X

N

N

Mozzarella

N

N

Fruits
Cheddar cheese

X

X

N

N

Apples

N

N

N

N

Creme Fraiche

X

X

N

N

Bananas

N

X

X

Cottage cheese

X

X

Grapefruit

N

N

N

Milk

X

X

N

Peaches

N

N

N

N

Yoghurt

X

N

N

Oranges

X

X

N

N

Ice cream

X

X

X

X

Strawberries

X

N

N

N

Eggs

X

N

N

Rhubarb

X

X

X

X

Melon

X

X

N

N

Prunes

N

N

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