Feature Details Active Ingredient Metoprolol Succinate Available Dosages 25 mg, 50 mg, 100 mg, 200 mg Formulation Extended-release tablets Common Use Hypertension, Angina Manufacturer AstraZeneca Learn More About Toprol XL Pharmacokinetics of Metoprolol Succinate Metoprolol Succinate, the active component of Toprol XL, functions as a selective β1 receptor blocker. It undergoes extensive hepatic metabolism primarily...Read More