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  • Title: Efficacy of daily and weekly multiple micronutrient food-like tablets for the correction of iodine deficiency in Indonesian males aged 6-12 mo.
    Author: Wijaya-Erhardt M, Untoro J, Karyadi E, Wibowo L, Gross R.
    Journal: Am J Clin Nutr; 2007 Jan; 85(1):137-43. PubMed ID: 17209189.
    Abstract:
    BACKGROUND: Infants are highly vulnerable to iodine deficiency, and little data exist on the effect of multiple micronutrient supplementation on their iodine status. OBJECTIVE: We aimed to compare the efficacy of daily and weekly multiple micronutrient food-like tablets (foodLETs) on increasing iodine status among infants. DESIGN: In a double-blind, placebo-controlled trial, 133 Indonesian males aged 6-12 mo were randomly assigned to 1 of 4 groups: a daily multiple-micronutrient foodLET providing the Recommended Nutrient Intake (RNI)(DMM), a weekly multiple-micronutrient foodLET providing twice the RNI (WMM), a daily 10-mg Fe foodLET (DI), or placebo. Urinary iodine (UI) concentrations were measured at baseline and at 23 wk. RESULTS: At baseline, the average UI concentration (1.37 micromol/L) was within the normal range, and 30.8% of subjects had iodine deficiency (UI < 0.79 micromol/L). At 23 wk, the DMM group had the highest increment in UI; however, after adjustment for initial UI, the changes in UI were not significantly different between the 4 groups (P = 0.39). Initial UI correlated inversely with the changes in UI (P < 0.001). The DMM group had the greatest reduction and increment in the proportion of iodine-deficient infants and in infants with iodine excess, respectively; however, no significant difference was found in these proportions (P = 0.13 and P = 0.42) between the 4 groups. CONCLUSION: Daily consumption of a multiple-micronutrient foodLET providing the RNI during infancy may be one strategy to improve iodine status.
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