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You Are a Unique Universe.

Dr. Peter D’Adamo’s Blood Type Diet tailors nutrition to your individual biology.

O A B AB

4YourType: where personalized nutrition meets practical guidance. Powered by D’Adamo Personalized Nutrition’s science-based supplements.

Customer Favorites



PHYTO D 2000


This bestseller combines vitamin D3 (cholecalciferol), vitamin K2, drynaria root extract and epimedium herb extract to give you more from your vitamin D.


METHYL 12 PLUS


Uses an activated form of vitamin B12 to support healthy metabolic function and energy production..


DEFLECT O


Designed to block problematic food lectins that can negatively impact Blood Type O individuals.


POLYFLORA+ A


Personalized probiotic for Blood Type A to support digestive health, immunity and weight loss.


TYPEZYME B


Digestive enzymes made for your blood type. Specifically formulated to improve nutrient breakdown and absorption for Blood Type Bs.


PHYTOCAL AB


Multimineral with highly bioavailable seaweed calcium to support healthy bones and improve calcium digestion and assimilation in Blood Type AB


FUCUS PLUS


Seaweed-based supplement designed to promote optimal metabolic balance and thyroid health.


POLYVITE O


The world's only blood type specific nultivitamin.




Quality and Purity That's Worthy of Your Trust.

Traditional Wisdom, Scientific Basis.

“Nature is not merely a backdrop for science — she is its greatest teacher. The wisest science does not seek to conquer nature, but to listen to her, decode her patterns, and align with her ancient intelligence.
True innovation begins when we let nature write the hypothesis.” --Dr.Peter D'Adamo

 

 

Dr. Peter D'Adamo

Dr. Peter J. D’Adamo stands as one of the most influential and visionary figures in the field of personalized medicine and naturopathic science. A second-generation naturopathic physician, acclaimed researcher, bestselling author, distinguished professor, and innovator, his groundbreaking work has empowered millions worldwide to take control of their health by understanding their unique genetic blueprint, primarily through the lens of blood type and beyond. In 1996, Dr. D’Adamo published Eat Right 4 Your Type, a book that would forever change the landscape of health and wellness. The New York Times bestseller introduced the world to the Blood Type Diet, a revolutionary system asserting that your ABO blood type is a powerful genetic marker influencing digestion, metabolism, immune response, and even personality traits. With elegant simplicity and compelling science,The book’s impact was immediate and global. It sold over 10 million copies in hardcover alone, was translated into more than 75 languages, and earned praise from athletes, scientists, physicians, and everyday readers alike.

"I am afraid that Peter's merits are not estimated enough in the scientific world. Therefore it seems to me necessary, not only to promote his concept here in Europe, but also to tell him that I acknowledge him as one of the most creative scientists in the Western world."
--- Gerhard Uhlenbruck, PhD, MD Lectinologist, Institute of Immunobiology, University of Cologne

Meet Dr. Peter D’Adamo



Dr. Peter D'Adamo


Dr. Peter D'Adamo

Living the Lifestyle

The Blood Type Diet: It's More than Just Weight Loss
by Dr. Peter J. D'Adamo on Apr 27th, 2026
The Blood Type Diet: It's More than Just Weight Loss
Charred cod with millet, roasted carrots and salsa verde
by Blood Type Diet on Apr 18th, 2026
Charred cod with millet, roasted carrots and salsa verde
Skin Health and The Blood Type Diet
by Dr. Peter D'Adamo on Apr 15th, 2026
Skin Health and The Blood Type Diet
What to Know about Vitamin D and Your Immune System
by Blood Type Diet on Feb 13th, 2026
What to Know about Vitamin D and Your Immune System