This book explores the diverse applications of lipids within the pharmaceutical field, focusing on their role as excipients in formulations and their involvement in lipid-based formulations. Encompassing both conventional and micro/nano structures, this book covers fundamental aspects to advanced topics such as dosage forms and delivery systems. This book explores the entire lifecycle of lipid-based pharmaceuticals, addressing crucial elements such as production, characterization, administration routes and regulatory considerations. By offering a complete perspective, this book serves as a valuable resource for professionals, researchers, and students engaged in pharmaceutical sciences, providing insights into the multifaceted world of lipids and their pivotal role in modern pharmaceutical development.