Session: MON 437-470-Non-neoplastic Thyroid Disorders
Poster Board MON-457
Objective: To assess the iodine content in meals and snacks from 3 U.S. weight loss programs.
Methods: A one week program of all meals (breakfast, lunch, and dinner) and snacks with no special dietary restrictions from each of 3 U.S. weight loss companies was obtained for the measurement of iodine content. All items were stored at 4 degrees C, blended, and measured for iodine concentrations in triplicate (samples were retested a fourth time if a >25% difference was found in any of the measurements) using a Technicon Autoanalyzer spectrophotometer. Projected weekly iodine intakes (µg/g) were calculated based on individually-labeled serving sizes; the average total daily intake (µg) is reported.
Results: 53 total items were analyzed [29 different items (7 breakfasts, 7 lunches, 7 dinners, 6 snacks, 2 desserts) from program #1; 21 different items (7 breakfasts, 7 lunches, 7 dinners) from program #2; and 3 different items (1 breakfast, 1 lunch, 1 dinner; each to be intended to be eaten daily for one week) from program #3]. The average iodine content of meals and snacks from the weight loss programs were 34.2 (program #1), 12.2 (program #2), and 70.1 (program #3) µg/day. These daily intakes of iodine assume that individuals do not supplement their diets and consume all the food provided by the programs.
Conclusion: These results indicate that the dietary iodine intake from 3 major U.S. weight loss programs is far less than the recommendations by the Institute of Medicine for iodine intake (150 µg/day in adults). Individuals following such weight loss programs are at risk for iodine deficiency and should be advised to take a daily multivitamin containing potassium iodide to avoid the potential adverse effects of iodine deficiency.
Nothing to Disclose: MK, ENP, LEB, XH, AML
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