Displaying 16 results of Tocopherol Impurities Tocopherol impurities are contaminants that can be found in tocopherol, a form of vitamin E that is commonly used in dietary supplements and personal care products. These impurities can include byproducts of the manufacturing process or other substances that are not meant to be present in the final product. Tocopherol impurities can potentially cause adverse health effects and therefore, it is important for manufacturers to regularly test their products for impurities and adhere to strict quality control standards to ensure safety for consumers.