Displaying 17 results of Metformin Impurities Metformin is a widely used medication for the treatment of type 2 diabetes. However, over time and due to various factors, impurities may develop in the drug substance. These impurities can affect the safety and efficacy of the medication. Therefore, it is important to monitor and control the levels of impurities in Metformin to ensure the quality and safety of the medication. The most common impurities in Metformin are related to the synthesis process, degradation, and environmental contaminants.