Active roles — the importance of excipients in oral solid dosage formulations

March 18, 2026

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This article highlights the evolving role of excipients in oral solid dosage (OSD) formulations beyond their traditional function as inert fillers. Modern excipients contribute actively to improving drug stability, bioavailability, manufacturability, and patient experience. The piece discusses innovative excipient technologies that aid in taste masking, controlled release, and enhanced tablet robustness. It also emphasizes how formulation scientists can leverage excipient functionalities to overcome complex challenges in drug development, particularly for poorly soluble drugs and complex dosage forms.