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Connect with a functional medicine practitioner in your area who's using the Optimal DX platform in their practice. Practitioners who've been through our FBCA Mastery Training Program and those who've gone through the certification process are also indicated with the appropriate badge.

Dr. John P. Doan

PhD,DFN

Wizard Health
St. George, Barbados

About the practitioner

Graduated in Oxford University

About the practice

At Wizard health, we specialize in integrative oncology, offering a comprehensive approach to cancer care that supports the whole personmind, body, and spirit.

Medical Specialties

Women's Health

Graduate School Education

NCNM 1998
UNCISAL

Professional Associations

AANP Member
OANP Member

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Browse our resources to learn more about Functional Blood Chemistry Analysis, blood biomarkers, the functional approach to medicine and more.

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GLP-1 Weight Loss Drugs Lead to Nutrient Deficiencies

GLP-1 medications like semaglutide and tirzepatide are helping many people lose weight quickly.

Biomarkers

What Are GLP-1 Medications?

Discover GLP-1 medications, their role in diabetes and weight loss, and potential benefits for brain health in this informative overview.

Assessment

Could Lithium Help Protect Your Brain?

Lithium is a naturally occurring element consumed through water and food, primarily in nuts, grains, and vegetables. Researchers suggest it functions as a micronutrient in...

Biomarkers

Can an Amino Acid Aid Recover from Infection?

Your immune system protects you from infections. One way it does this is by releasing pro-inflammatory substances called cytokines—small proteins that act like messengers,...

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