Displaying 20 results of Metoprolol Impurities Metoprolol is a commonly used beta blocker medication that is used to treat heart conditions. It is important to ensure that the medication is pure and free from impurities that could potentially cause harm. Metoprolol impurities are unwanted substances that may be present in the medication, either due to the manufacturing process or as a result of degradation over time. These impurities can have adverse effects on the body and can compromise the effectiveness of the medication. Therefore, it is essential to monitor and control the levels of impurities in metoprolol to ensure its safety and efficacy.