Per the 2009 American Thyroid Association (ATA) Guidelines, a low-iodine diet for 7???10 days before and for 1-2 days after I-131 administration is suggested to maximize uptake of RAI into thyroid cells, although sufficient evidence is lacking.The following foods should be avoided for two weeks before I-131 scanning and treatment: iodized salt or sea salt, milk or other dairy products, eggs, seafo