Dr. Izabella Wentz, PharmD, FASCP, is a pharmacist who focuses on spreading awareness about lifestyle interventions and the root causes of autoimmune thyroid disease. She is the author of the #1 New York Times best-selling book, "Hashimoto's Protocol: A 90-Day Plan for Reversing Thyroid Symptoms and Getting Your Life Back."

She also authored the best-selling patient guide, "Hashimoto’s Thyroiditis Lifestyle Interventions for Finding and Treating the Root Cause."