Roles of Excipients

Excipients have different roles in a formulation. Some of the main ones include:

Aid in the processing of the drug delivery system during its manufacture
Protect, support, or enhance stability, bioavailability, or patient acceptability,
Assist in product identification, and enhance any attribute of the overall safety
Assist in the effectiveness and/or delivery of the drug in use
Assist in maintaining the integrity of the drug product during storage