First, the basics: levothyroxine is an oral medication that's taken once daily. It comes in 12 different tablet doses ranging ...

The amount of levothyroxine in a tablet can differ between manufacturers. For example, a 100 mcg tablet may contain between 95 mcg and 105 mcg of hormone. Different brands and generics may also ...

The following is a summary of “A feasibility double-blind trial of levothyroxine vs. levothyroxine-liothyronine in ...