A variety of other nutrients, if lacking, can impede healthy thyroid function. At the top of this list are quercetin, vitamin D, iron, and zinc. Ensure you are not lacking in these, as anyone of them can be responsible for the symptoms of a sluggish thyroid.

Quercetin is a bioflavonoid common in the plant kingdom, a potent polyphenol antioxidant and immune system modulator. It has a stabilizing affect on the immune system, helping various types of immune cells maintain their composure under stress. It has a modulating effect on immune system signals, helping to calm down inappropriate excess. This helps the tissues and cells in your ...