Unithroid (levothyroxine) is a prescription drug used to treat certain thyroid gland conditions. The drug comes as an oral tablet. It’s usually taken once per day. The active ingredient in Unithroid ...

Levothyroxine is a lab-made form of thyroid hormone that helps your body access the amount of the hormone it needs. Hypothyroidism has many possible symptoms, including weight gain. Once you're taking ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A widely prescribed thyroid medication called levothyroxine may cause ...