[From Wikipedia: An excipient is a substance formulated alongside the active ingredient of a medication, included for the purpose of long-term stabilization, bulking up solid formulations that contain potent active ingredients (thus often referred to as “bulking agents”, “fillers”, or “diluents”), or to confer a therapeutic enhancement on the active ingredient in the final dosage […]

via CDC Reveals List of all Vaccine Excipients, including “African Green Monkey Kidney Cells” — Born Outside the Box