Pharmaceutical excipients are essential components of the pharmaceutical industry. They are nonactive substances that enhance drug stability, improve solubility, control release rates, and ensure the safety and effectiveness of the drug. Consequently, they are integral to the whole use of drug manufacturing. These substances, when combined with active pharmaceutical ingredients, serve multiple important purposes. They not only help shape the drug's appearance, color, and flavor but also play a critical role in the drug's formulation, preparation, and storage.