World Thyroid Day

2026 Theme

"Thyroid and Nutrition"

Campaign Description

World Thyroid Day, observed annually on 25 May, is a global health awareness campaign dedicated to increasing understanding of thyroid disorders, encouraging early recognition of symptoms, promoting timely diagnosis and treatment, and advocating for better thyroid care worldwide. Established in 2008 by the Thyroid Federation International and supported by international thyroid organizations, the day also forms part of International Thyroid Awareness Week.

Theme Focus

The 2026 theme, "Thyroid and Nutrition," highlights the essential connection between nutrition and thyroid health. It emphasizes the importance of adequate intake of key nutrients—including iodine, selenium, iron, and zinc—for healthy thyroid function, while promoting evidence-based dietary guidance to support the prevention, diagnosis, and management of thyroid disorders and improve overall well-being.

Key Priorities

Thyroid health education
Early diagnosis
Access to treatment
Routine medical evaluation
Public awareness
Patient support

Key Concepts

Thyroid hormones
Endocrine system
Goitre
Hypothyroidism
Hyperthyroidism
Thyroid nodules
Thyroid function
Lifelong management

Resources & Related Content

Thyroid Federation International (TFI) – World Thyroid Day & International Thyroid Awareness Week – Official campaign information, annual themes, webinars, and awareness materials.

European Thyroid Association (ETA) — World Thyroid Day — Public health statements, educational resources, and professional guidance.

American Thyroid Association (ATA) – Trusted patient information on thyroid disorders, diagnosis, treatment, pregnancy, nutrition, and thyroid cancer.

British Thyroid Foundation – Patient guides, webinars, downloadable leaflets, and support resources.

NIH Office of Dietary Supplements – Iodine Fact Sheet for Consumers – Evidence-based information on iodine requirements, dietary sources, and supplementation.