Blood Type Diet Explained

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The most popular weight loss formula followed by leading dietitians, especially in India, is the blood type diet. This blood type diet is based on Peter D’Adamo, a naturopathic physician, and the writer of  Eat Right 4 Your Type, findings that ABO blood type is the most important factor in determining a healthy diet, and he recommends distinct diets for each blood type.

According to the founder there are three main diets for the 3 blood types: A, B & O. Recently Blood group AB has also been added to this list. Dietary requirements are divided and allotted under the four blood groups available. Each of the blood groups have been categorized as per our progeny or our ancestral lifestyle. Lets take each blood group briefly and understand the unique dietary intake for each individual group:

Blood group O diet: The diet recommended to this blood group is to eat a higher protein diet and restricting the consumption of grains, breads, legumes, and beans. As this was the oldest known blood group the origins are connected to our ancestors that were hunters.

Blood group A diet: The diet recommends more vegetarian food intake that contains high amount of vegetables and foods to be avoided are meat, diary & wheat. As the diet relies more on agricultural products the origins of this group are traced to our ancestors that were cultivators.

Blood group B diet : These individuals are associated with a strong immune system and a flexible digestive system. The diet asserts that people of blood type B are the only ones who can thrive on dairy products. Foods to be avoided are lentils and wheat.

Blood group AB diet: The blood type diet treats this group as an intermediate between blood types A and B, meaning it is primarily vegetarian but has reasonable amount of protein, grains and dairy as part of daily dietary intake.

The basic login given by the author for adopting this dietary pattern is that different blood groups digest lectins, food proteins, differently. If you eat foods containing lectins incompatible with your blood type, he says, you may experience inflammation, bloating, a slower metabolism, even diseases such as cancer. According to the author of this diet the best way to avoid these effects is to eat foods meant for your blood type.

This is another classic fad diet that is commonly promoted as the “most scientific” diet is as unbalanced as any other fad diet that focus on specific food groups at one time instead of working with a combination of all. Eliminating one or more food groups from the diet makes it unbalanced and nutritionally deficient. For instance, for blood type ‘A’ milk and dairy products and for blood type ‘B’ grains are not so healthy, but all we know that milk and dairy products are rich in calcium and it’s also important for healthy bones and fibers in grain protect your heart and keeps the bowel strong. In long term, this can result in a poor intake of nutrients needed for good health. Cutting out dairy products  can put you at risk of osteoporosis (brittle bone disease), or having no fruits & vegetables the main sources of vitamins, minerals & iron can put you at risk of many deficiencies like anemia & vitamin B12.

Another important point that is often overlooked while stating this theory is that till date there have been no clinical trials validating the scientific origins of this theory. Are people prescribing these diets using this so called scientific premise to eventually sell a low calorie diet plan to individuals seeking a healthier lifestyle? Following this kind of fad diet even for a short period of time can cause serious damage in the long run.

So before you get on any diet ensure it doesn’t focus on a particular food group alone. Unless you are medically tested to be allergic to a certain food group there is no reason why you should not not be eating them.  Your diet should be a mix of all nutrition given to you on a daily basis. The reason why we need to eat a balanced diet everyday is because our body cant store nutrition and therefore needs to be replenished daily. It is important to eat well but it is equally important to also exercise which not only helps in burning extra calories but also naturally cleansing our body of the toxins.

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