Our body creates most of our vitamin D from direct sunlight on our skin. Short daily periods of sun exposure without sunscreen during the summer months (April to October) are enough for most people to make enough vitamin D. Evidence suggests that the most effective time of day for vitamin D production is between 11am and 3pm. In most patients, fortunately, thyroid hormone treatment reverses the signs and symptoms of hypothyroidism.  Undertreatment of hypothyroidism leads to disease progression, with gradual worsening of symptoms and further metabolic derangements. Continue with the medications...