Iodine is essential for human health, and particularly for infant and young child development, because of its key role as a structural element of thyroid hormones. Salt iodization is the most cost-effective strategy to prevent iodine deficiency, and its coverage has increased substantially in recent decades.1 However, in countries with inadequate or unstable coverage of universal salt iodization, other supplementary iodine interventions should
be considered for young children and pregnant women while efforts are made to improve the coverage of the salt iodization program.2 These alternative intervention strategies can include iodine-fortified complementary foods or point-of-use fortificants, such as micronutrient powders (MNP) and small-quantity lipidbased nutrient supplements (SQ-LNS).
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