The D’Adamo Institute is a full service, naturopathic clinic based on the pioneering research of Dr. James L. D’Adamo, creator of the Blood Type Diet®

Join the over 70,000 patients from across the globe who have experienced The D’Adamo Institute’s revolutionarily approach to wellness.

Experience optimal health. Join Dr. James L. D’Adamo’s Blood Type Diet® revolution today!

For over half a century we’ve excelled in providing individualized medicinal treatments.

Since 1957, The D’Adamo Institute has used a proprietary approach to health and wellness with generations of patients.

Restore and reset your body’s natural balance with expertly curated products and specialized treatments.

Welcome to the D’Adamo Institute

With efficacy, quality and over a half a century of all-natural treatments at the core of its menu, the D’Adamo Institute offers clients a customized selection of highly effective services, based exclusively on the research by the founder of the Blood Type Diet®.

We customize every therapy to ensure guests receive the best treatment to meet their personal health goals. The D’Adamo Institute’s serene treatment rooms envelope guests in ultimate comfort.

Blood Type Diet® Program

Experience Our Most Comprehensive Health Evaluation

Additional Services Offered

Psychotherapy

Enhance Your Overall State of Well-being

Oriental Medicine

East meets West

Thera-Detox

Choose Selective Detox Treatments

21 Day Cleanse

A Healthier You in 21 days

Orthotics

Custom Orthotics Make All the Difference Supporting Health for the Whole Body

Testing

Knowledge is Power

Massage

Melt Away Muscular & Mental Tension Today

Psychotherapy

Enhance Your Overall State of Well-being

Oriental Medicine

East meets West

Thera-Detox

Choose Selective Detox Treatments

21 Day Cleanse

A Healthier You in 21 days

Orthotics

Custom Orthotics Make All the Difference Supporting Health for the Whole Body

Testing

Knowledge is Power

Massage

Melt Away Muscular & Mental Tension Today

A year from now you'll have wished you started today.

You’re Not Alone. We Are Here to Help!

The institute is located at: 44 Bridge St, Portsmouth, NH 03801
Phone: (603) 430-7600