Why Do You Recommend The Blood Type Diet?

We’re now weighing in with 20+ years of Heilkunst clinical evidence for Dr. Peter D’Adamo’s Blood Type Diet, published in 1996. Peter D’Adamo is a naturopathic physician who is also an author, researcher-educator, amateur horologist, budding software developer, and air-cooled enthusiast. He is considered a world expert in glycobiology, principally the ABO (ABH) blood groups and the secretor (FUT2) polymorphisms. He is currently a Distinguished Professor of Clinical Sciences at the University of Bridgeport Connecticut.

Although his fellow researcher and father wanted Peter to become an M.D. like him, Dr. Peter J. D’Adamo became a naturopath instead. What he did inherit from his dad was the notion that people of different blood types do better on certain diets. Decades of synthesizing and validating the science behind the idea culminated in the award-winning book, Eat Right 4 Your Type. The bestseller was followed by a series of books on the connections between blood type and many of our most serious health problems, including diabetes, cancer, and heart disease.

When Jeff and I were studying at the Hahnemann College for Heilkunst and Homeopathy, we were a bit mystified by this typological approach. Like everything, I had to go off on my own and see if this theory held any water. In my investigation, I engaged a live blood analyst (and fellow student) to find out the health of my blood. She assured me that after several years of testing folks under her microscope, the blood type diet indeed held much clinical water.

Lectins Are A Proposed Link Between Diet and Blood Type

One of the central theories of the blood type diet has to do with proteins called ‘lectins’. Lectins are a diverse family of proteins that can bind sugar molecules. These substances are considered to be ‘antinutrients’, and may have negative effects on the lining of the gut. According to Dr. D’ Adamo, there are many lectins in the diet that specifically target different ABO and AB blood types.

Live blood analysis indicated that eating the wrong types of lectins causes an increase in agglutination (clumping together) of red blood cells. Over time, these created islets of organization (accumulation of undigested matter) unchecked by the immune system (white blood cells). In folks not following their blood type diet, they were more prone to 5-10 lbs of undigested matter in their gut, off-gassing up into the brain. This was concerning at the very least.

After putting our patients on their respective blood type diet, the red blood cells consistently became more motile and agglutination corrected. As well, accumulated masses of yeast, parasites, errant bacteria, and undigested matter were eliminated.

I also see a hydrotherapist regularly; twice a year over the last 25 years. Think of your colon and large intestine like a casserole dish with a lot of mac and cheese baked onto the sides. At the risk of offering too much information, there is a little window in the hydrotherapist’s release tube that indicates the mucus, parasites, and constipated stool withheld, until the colon irrigation cleans the dish so to speak. Over the years, I’ve been able to tell when I’ve not been wholly respecting my blood type diet, which would be the same for you, without going into any further ‘dirty’ details.

So What’s A Blood Type Diet?

As mentioned above, the blood type diet book, Eat Right 4 Your Type, was incredibly successful. It was a New York Times bestseller, sold millions of copies, and is still wildly popular today. In this book, D’ Adamo revealed that the optimal diet for any one individual depends on the person’s ABO or AB blood type. The premise is that each blood type represents genetic traits of our ancestors, including which diet they evolved to thrive on.

This is a rough sketch of how each blood type is supposed to eat:

  • Type A: Called the agrarian, or cultivator. This blood type mostly comes from Asia; China, Japan, and India. People who are type A should eat a diet rich in plants, whole grains (like rice), chicken, fish, and should be completely free of red meat. This closely resembles a vegetarian diet. I often say, “A types should eat from the aisles of a well-stocked health food store.”
  • Type B: Called the nomad. These folks are mostly European in origin. They eat lots of vegetables as well as lamb, turkey, liver, goat, and rabbit. Chicken and pork are to be avoided. Bs do well with safe sources of raw milk and cheeses. Bs should also avoid sesame seeds, wheat, corn, most beans, lentils, and tomatoes. I often say to these patients that they do well with a plowman’s lunch at a restaurant in France, with pâtés of wild game and cheeses.
  • Type O: Called the hunter-gatherer. They were the first blood type on the planet. Their diet is also called the ‘caveman diet.’ It is a high-protein diet based largely on meat, fish, poultry, some fruits, and vegetables. O blood types will tell you that they’ve done very well on the Atkins, Paleo, or Keto diets. Any time you limit coffee, grains, and dairy for an O and provide them with lots of cardio exercise, you’ll see an O thrive.
  • Type AB: Called the enigma. They are a bit of an ‘enigma’ as they represent only 4% of the population. They’re the most recent blood type on the planet and are a fusion of the Asian/European blood types. Foods most ideal for an AB include seafood, tofu, dairy, beans, and grains. They should avoid kidney beans, corn, beef, and chicken.

All the 4 typologies should derive foods from whole sources. Shopping solely in the outer aisles of your grocery store is recommended no matter your blood type. This means you’d be focussed on meats, fish, vegetables, and dairy. Better still, get to know your farmer at your local market and step more into the realm of farm fresh, to maximize the amount of vibration still resonating in your foods.

So What Are The Results?

For me, I lost weight, felt more energy, slept better, and eliminated symptoms that I was suffering with, such as chronic psoriasis, UTIs, yeast infections, migraines, fibromyalgia, and fatigue. Yes, I was being treated at the same time with a whole slate of homeopathic remedies as per Heilkunst Medicine protocols. However, we’ve seen the same results in thousands of patients that we’ve served over the last 20+ years.

In Conclusion: 

While there’s a ton of controversy out there with regards to which is the right diet for you, I can tell you with certainty that Dr. D’ Adamo’s research is valid and backed up by over 60 years of clinical research by both him and his father. We can offer another 20+ of our own in the clinic, as well as through live blood analysis. We’ve been helping folks find their nutritional center for decades now.

Please note: Patients will often need other diets, nutrients, and protocols to correct obesity and or endocrine imbalance before respecting their blood type in an improved state of health. 


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