Synthroid finds use as a hormone-regulating agent for managing low levels of triiodothyronine/thyroxine. It also has a pronounced therapeutic effect on goiters of certain types. Synthroid often accompanies surgeries and other medical means of treating thyroid cancer. The drug compensates for the insufficient production of thyroid hormones by standing in their place as a synthetic substitution. Compensations of this kind help the patient’s body to restitute the normal rate of metabolism. Synthroid also helps to fight obesity due to its ability to remove the initial thyroid gland-related causes as such.