Underactive thyroid is greatly underdiagnosed and undertreated. It can be the cause of a vast majority of symptoms such as fatigue, lack of energy, brain fog, dry skin, hair loss, constipation, depression, weight gain, and a large number of additional symptoms. In this podcast, we are going to talk about the symptoms of an underactive thyroid, nutrients necessary for healthy thyroid function, lab testing for thyroid disorders, causes of an underactive thyroid, and treatment.