ArticleNutrients2026
Iodine Content of Commercially Available Iodized Salts in Hungary Determined by Iodometric Titration: Implications for the Effectiveness of Salt Iodization.
Article in Nutrients, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
BACKGROUND/
objectivesIodine deficiency remains an important global public health concern. Although iodized salt is the primary strategy for iodine deficiency prevention, its effectiveness depends on adequate iodine concentrations in commercially available products. However, laboratory data on the iodine content of retail salt products in Hungary are currently lacking. Therefore, this study aimed to determine the iodine concentration of commercially available iodized table salts in Hungary and to assess their compliance with the WHO-recommended range of 20-40 ppm.
methodsTwenty different brands of iodized table salt were purchased from major retail outlets in Pécs, Hungary, representing the dominant food retail sector. According to product labels, ten salts were fortified with potassium iodate (KIO
resultsMeasured iodine concentrations varied substantially among products, ranging from 0 to 33.9 ppm. Overall, 65% of the analyzed salt samples contained less than 20 ppm iodine, while only 35% fell within the WHO-recommended range of 20-40 ppm. Notably, several products declared iodine concentrations below recommended levels on their labels. The wholesale micro-survey showed that ten times more iodized than non-iodized salt was ordered during the observation period.
conclusionsThese results suggest that the presence of iodized salt on the market does not necessarily guarantee adequate iodine supply and highlight the potential relevance of considering iodine status during the differential diagnosis of hypothyroidism.
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