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 aim of this study was to investigate the effect of levothyroxine replacement therapy on biomarkers of oxidative stress (OS) and systemic inflammation in patients with hypothyroidism.