Is over 4 cups of raw spinach bad for Thyroid?

IsMollyReallyHungry

Please read below link and advise if you know or can shed some light on below thread. I guess I just want to make sure before I start cutting back on raw spinach that this is accurate information. Thanks.

http://www.myfitnesspal.com/topics/show/203697-question-on-spinach-being-bad-for-thyroid-t-or-f