Biomedical Basics

Excipients in drug formulation

  • Created by Henry Stewart Talks
Published on October 29, 2026   4 min

A selection of talks on Pharmaceutical Sciences

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Overview addresses excipients in drug formulation, highlighting how these inactive ingredients influence product quality, usability and therapeutic performance. We will discuss the various types of excipients, their specific functions, such as binders, fillers, disintegrants, and preservatives, and their contributions to the stability and effectiveness of medicines. Additionally, we will examine the necessity of careful excipient selection for safety, regulatory compliance, and patient acceptance. Finally, we'll consider how ongoing technological advancements continue to shape and improve excipient science. In discussions about medicines, attention typically centers on the active pharmaceutical ingredient, the part that produces the therapeutic effect. However, tablets, capsules, syrups, and injections almost always include other substances known as excipients or inactive ingredients. Excipients are essential components that impact product quality, usability and performance, influencing manufacturing, storage, and how drugs are released and absorbed. Excipients or inactive ingredients are substances other than the active drug included in pharmaceutical formulations. While not responsible for the therapeutic action, they are essential throughout a medicine's life cycle. They ensure stability and protection of the drug, influence absorption, ease manufacturing, and enhance safety, appearance, and palatability. Tablets, for example, may require preservatives,

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