Is Blood Type Diet, A Boon Or Curse?

Blood Group

The human body consists of around 8 to 10 pints of blood depending on the size of the person. However, the composition of the blood is not the same in every individual. This is what influences the individual’s blood type.

How many types of blood group are there? What is the link between blood group and foods? For all these queries and furthermore information on blood groups you have to read more ….

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What Are The Types Of Blood Groups?

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Blood groups are complex chemical systems found on the surface of blood cells.

O+positive: 38 percent of people contains this blood group around the world.

O-negative: 7 percent of people include this blood group around the world.

A-positive: 34 percent of people include this blood group around the world.

A-negative: 6 percent of people include this blood group around the world.

B+positive: 9 percent of people include this blood group around the world.

B-negative: 2 percent people include this blood group around the world.

AB+positive: 3 percent of people include this blood group around the world.

AB-negative: 1 percent people include this blood group around the world.

One point every individual should know is, the food we consume will show the effect on the blood group we contain. There is a link between diet and blood group.

What Is The Link Between Diet And Blood Group?

Diet is one of the essential elements in retaining weight and a healthy lifestyle. But for few people, no matter how strictly you attach to a diet, those pounds won’t come off.

It was this problem which led many numbers of physicians to consider the idea of a blood type diet, under the assumption that our bodies process food differently based on our different blood types.

Why Should You Follow A Blood Type Diet? And Types Of Diets

According to a famous study, there is a chemical reaction that happens between your blood and the food you eat. And this reaction is caused by particular proteins found in foods that have agglutinating properties, which affects your blood type.

Thus, a diet that avoids such agglutination and is harmonious with the blood type is referred to as the blood type diet.

History Of Blood Type Diet And Blood Group Facts

In 1996, research introduced the idea of blood type diet. And penned down the book, i.e. “Eat Right for Your Type,” for the same. According to this research different blood types diet is had evolved during different periods in history when people had access to only certain foods. This subscribed to changes in the digestive systems and body’s ability to tolerate different types of foods.

Food For Your Blood Type

Below Are Diet Plans And Foods To Include & Avoid For Each Blood Group


People with this o+ve and O-ve blood groups are found to have higher secretions of stomach acids (alkaline phosphatase and lipoprotein apob48). Due to this, they are more susceptible to gastric ulcers and digestive problems.

Thyroid disorders also influence them. By following a diet which is mild on spices, rich in antioxidants and with few probiotics they can prevent all types of complications attached to the same.

Foods to include: The blood type o diet foods like plenty of fruits, vegetables, milk and milk products and proteins like chicken, eggs and fish.

Foods Must Be Avoided: Excessive amount of caffeine and chocolate. Regular alcohol consumption should also be avoided.


People who belong to this group are highly susceptible to diabetes and obesity. They have lower levels of stomach acid (hydrochloric acid), which helps in digestion and metabolization of food. It has been seen that people with A+ and A- blood group have a sensitive immune system.

Foods to include: A right amount of fish, legumes, pulses, fruits and vegetables is advised.

Foods Must Be Avoided: Meat and a few dairy products in reduced amounts are suggested. Anything rich in fats and carbohydrates should be avoided.


People with B+ and B- blood group have higher than normal levels of Cortisol (the hormone released during stress), which can head to autoimmune diseases, diabetes, obesity and inflammatory diseases. Fewer carbohydrates and fat, and high consumption of protein is suggested.

Foods To Include: B positive and b negative blood group diet generally include egg whites and chicken can be included in the regular diet. Vitamin and mineral boosters such as fruits and veggies become an integral part of the diet.

Foods To Avoid: Shellfish like crabs and prawns, and beef should be avoided. Alcohol consumption is harmful.


This blood group also will have high levels of stomach acids, and hence they are susceptible to digestive issues.

The regular diet should be designed to include a few foods.

Foods To Include In Your Daily Diet: AB positive blood type diet includes tofu, low-fat dairy products and lots of fresh vegetables and fruits. Eating small and repeated meals are recommended for this blood group people.

Foods To Avoid Meats, fatty and spicy food which take a longer time to digest. Bakery products should be consumed in moderation.

Below is the diet chart for every individual blood group to follow on a regular basis.

Type O Type A Type B Type AB
Breakfast 1 cup green tea + 2 egg whites one bowl daliya upma 1 bowl oats with milk 1 cup milk + 1 cup poha
Mid-morning 1 serving paneer ½ cup sprouts 1 serving paneer 1 serving tofu
Lunch 1 cup salad + 1 bajra roti + 1 cup Vegetable + 1 cup curd or 1- 2 pcs chicken 1 cup salad + 2 multigrain roti + 1 cup vegetable + 1 cup Dal 1 cup salad + 1 nachni Roti + 1 cup vegetable + 1 cup curd 1 cup salad + 2 multigrain roti + 1 cup vegetable + 1 glass buttermilk
Snacks 1 fruit + 1 cup green tea 1 fruit + 1 cup green tea  

1 fruit + 1 cup green tea

1 fruit + 1 cup green tea
Dinner 1 cup salad + ¾  cup brown rice + 1 cup vegetable + 1 glass buttermilk 1 cup salad + 1 jowar roti + 1 cup vegetable + 1 cup curd 1 cup salad + ¾  cup brown rice  + 1 cup vegetable + 1 glass buttermilk 1 cup salad + ¾ cup steamed quinoa + 1 cup vegetable + ½ cup fish curry
Bedtime 1 cup low-fat milk with a pinch of turmeric 1 cup low-fat milk with a pinch of turmeric 1 cup low-fat milk with a pinch of turmeric 1 cup low-fat milk with a pinch of turmeric

Advantages Of Blood Type Diet

Weight Loss:  Exclusion of a few types of processed foods and high-calorie food leads to weight loss. There is more ingestion of vegetables and fruits which are high in fibre. This also leads to high satiety feeling and avoid binge eating.

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Boosts Immunity: Clean eating along with intake of few antioxidant-rich vegetables and fruits boosts immunity.

Exercises with a combination of clean eating also improve the immune system.

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Healthy Mind: Blood type diet fights against depression. It enhances the mood, keeps you alert and fresh for the more extended period.

This is again because of the intake of high amounts of water, avoiding certain foods and including fruits and vegetables.

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Fights Cholesterol: Certain blood type diet exclude intake of animal fat, meat and massive oil intake.

The antioxidant, vitamins and mineral-rich vegetables and fruits are known to reduce cholesterol in the blood.

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If you are aware of how your body reacts to particular foods, it is easier for you to follow the blood type diet. Although we have no research or evidence to back this blood diet.

These effects are due to the appropriate nutrient intake, healthy gut and reducing body’s stress. It is beneficial to some and may not be favourable to others.

Know what suits you better and select which diet to follow.

Of course, end of the day, it is an individual’s’ own decision that dictates what suits and what does not.

Check with a qualified dietitian if you feel there are some allergy issues you need to sort out among the list of functional foods.

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6 thoughts on “Is Blood Type Diet, A Boon Or Curse?

    • Mukta Agrawal says:

      HI Likhila, yes you are partially correct that Gluten should be avoided but again not all O Positive people are allergic to gluten and hence can not make it a general statement

    • Mukta Agrawal says:

      Hi Mr Reddy, Gluten and lactose are allergies which other then O type blood group can also have and hence it can not be made a general statement that all O blood types cannot consume gluten and lactose if we see even B type of have digestion problems and any blood type people who has digestion should avoid lactose and gluten

  1. Swetha says:

    For O BLOOD type dairy is to be avoided. I think u have given wrong recommendation. Can u cross check it pls let me know.

    • Mukta Agrawal says:

      Hi Sweta, Yes what I have mentioned in the article is correct, O type can consume milk and milk products and does not face any issue but yes if someone is having a digestion problem, then gluten and lactose should be 100% avoided

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