Foods To Avoid If You Have Hypothyroidism (Infographic) . Not sure if all of this applies to people without a thyroid taking synthroid but I do know the soy part does! The soy blocks the body's ability to absorb the thyroid medication (aka very bad)
Thyroid hormones are a driving factor behind metabolic rate and weight management. As you would expect, many health problems emerge if our thyroid stops working properly. Studies show that at the very least 3.7% of American adults have an underactive thyroid. This article provides an unbiased summary of what to eat for an underactive thyroid, splitting fact from fiction. See it here http://www.dietvsdisease.org/the-best-diet-for-an-underactive-thyroid/
Thyroid Healing Program Infographic - link is to some kind of affiiate program, but this has some good basic info such as helpful tests for thyroid function and effects of hypothyroidism like depression and infertility.