Nutritional iodine intake in patients with anorexia nervosa
Authors' conclusion
The findings suggest that patients with anorexia nervosa are at risk of ID, and lower BMI predicts lower UIC. Although these data need to be corroborated in a larger cohort, clinicians caring for patients with anorexia should consider recommending an iodine-containing multivitamin.
Study context
- Population
- Patients with anorexia nervosa aged ≥14 years, recruited May–August 2022, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland; median age 18 (IQR 14–62) years, median body mass index (BMI) 17.72 (14.86–23.54) kg/m²
- Participants
- 39 patients
- Outcome
- Urinary iodine concentration (UIC) and associated factors
Methodological detailsmonocentric, exploratory, urinary iodine concentration (UIC) determined by ion-chromatography mass spectrometry in random spot urine samples
- Monocentric
- Exploratory
- UIC determined by ion-chromatography mass spectrometry in random spot urine samples
Main finding
As reported in the abstract
UIC
- Median UIC
- 67.7 μg/L
- UIC <100 μg/L
- 22/39
- Positive correlation between BMI and UIC
- P = 0.047
Observational data: associations, not effects.
Original publication
Nutritional iodine intake in patients with anorexia nervosa. Eur Thyroid J. Published 4 September 2025. doi:10.
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