Thyroid hormone synthesis and regulation depend on iodine (structural backbone), selenium (enzyme cofactor for activation and antioxidant protection), and tyrosine (amino-acid scaffold). A systems approach to micronutrient balance is more effective than supplementing any single nutrient in isolation. — A Nigerian balanced diet.jpg by PhoToria / CC BY-SA 4.0 via Wikimedia Commons (CC BY-SA 4.0)
Prof. Giorgi Pkhakadze, MD, MPH, PhD, is Editor-in-Chief of the Georgian Medical Journal and Chair of the Public Health Institute of Georgia (PHIG). He is Professor and Head of the Department of Social and Behavioural Sciences at David Tvildiani Medical University, and Secretary/Treasurer of the UEMS Section of Public Health. ORCID: 0000-0001-7609-4515.