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Sajad Zalzala, MD

Sajad Zalzala, MD (Dr Z) is Board Certified in Family Medicine.  He currently serves as the Vice President of the International College of Integrative Medicine (ICIM) and has a special interest in Holistic/Functional Medicine.  He has been using Low-Dose Naltrexone (LDN) as a powerful tool in his practice for the last 5 years.  In addition to his private family practice clinic, he is licensed in all 50 US states and Ontario Canada, and provides telemedicine consultations.  He is the Founder of Root Causes Medicine Clinic ( – a virtual clinic that matches patients with Functional Medicine Practitioners.  He also offers HIPAA-compliant video consultations to help patients obtain prescriptions for LDN through his telemedicine service LDN Direct (