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Peter D'Adamo is a naturopathic physician who is also an author, researcher-educator, Ivesian, 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.

In 1990 Dr. D'Adamo was awarded Physician of the Year by The American Association of Naturopathic Physicians. He is Adjunct Clinical Professor for both the Southwest College of Naturopathic Medicine, Tempe AZ, and the National College of Naturopathic Medicine, Portland OR.

Dr. D'Adamo is the chief science advisor and head formulator at D'Adamo Personalized Nutrition.

In 2001 Dr. D'Adamo founded the Institute for Human Individuality (IfHI). In 2003 he instigated the first IfHI biannual conference and certification, at which he was the keynote speaker. These conferences, which have attracted the best and brightest minds in nutritional genomics, continued through 2005, 2007, 2009 and 2011.

Dr. D'Adamo is currently developing several new bioinformatics tools. His best known projects and most popular projects are DataPunk, a semantic accumulator and network designer for naturopathic knowledge; QuodLibet, a molecular pathway analytic tool that uses graph theory and social networking algorithms; and SWAMI, a program that devises complex one-of-a-kind health protocols for individuals. He is currently writing a program called HUNCH, which allows clinicians to apply semiotic principles to charting case histories.

Dr. D'Adamo teaches Generative Medicine I-II and Introduction to Biochemical Individuality at the University of Bridgeport College of Naturopathic Medicine and supervises a specialized clinic shift in personalized medicine. He is the Director of the new University of Bridgeport Center of Excellence in Generative Medicine

In 1996 Dr. D'Adamo wrote the NY Times Bestseller Eat Right For Your Type. December 2016 saw the release of the Revised and Updated version. It continues to be published in hard cover only.

Renowned naturopath Dr. Peter J. D'Adamo inherited from his father, the notion that people of different blood types do better on certain diets. Years of validating and synthesizing the science behind the idea culminated in the 1996 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 nation's most serious health problems, including diabetes, cancer and heart disease.

The products are produced in GMP (Good Manufacturing Practices) facilities that have been certified with an “A” compliance rating through the Natural Products Association.

The capsules (which enclose our supplement formulations) are all kosher-certified, vegetarian (cellulose) capsules. Gelatin is never used.

The products do not contain artificial fillers or animal stearates

Many of the DPN products use certified organic ingredients.

The products have been developed and tested in clinical settings.

The DPN Unibars and Uniblend Protein Powders are gluten free.

The Genoma Skin Care line is not tested on animals.

The first step on the journey to improved health is finding out your blood type. If you don’t know your type, try the Home Blood-Typing Test Kit.

Beneficial foods do not contain the harmful lectins (proteins that can agglutinate blood) present in Avoids nor do they raise bowel toxicity. Beneficials contain an enzyme known to react positively with the antigen of the blood type. They are metabolized well by the digestive tract and can protect against some ABO-specific diseases.Neutral foods simply act as foods. While the

Neutral foods may not have the special health benefits of the Beneficials, they're certainly good for the body and contain many nutrients needed.

Avoid foods are the opposite of Beneficials. Whereas Beneficial foods act as medicine, Avoid foods can be toxic, possessing harmful lectins or other properties that can react adversely with the specific blood type. These foods are incompatible in terms of healthy digestion relative to the acid/alkaline balance of the digestive tract.

Lectins are proteins, chiefly of plant origin, that bind to certain specific sugars and cause agglutination of particular cells. Different bodies react differently to lectins based on blood type. You can also watch a video about Lectins HERE

This indicates that the food has not yet been evaluated. There are some foods where there just is not sufficient data to make a determination for some or all the blood types.

Rh factor (what distinguishes A+ blood from A- blood, for example) is not important for The Blood Type Diet.

The processing of certain foods can change their chemical composition, thus changing their Blood Type Diet classification. Concentration, fiber, phytonutrients among other things may change.