Pioglitazone Impurities are the unwanted substances that may be present in Pioglitazone, a medication used to treat type II diabetes. These impurities can be harmful to human health and can reduce the efficacy of the medication. It is important to ensure that Pioglitazone is free from these impurities and meets the necessary quality standards for safe use. Analytical methods are used to detect and quantify these impurities, and strict regulatory guidelines are in place to ensure their control.