TL; DR: A Quick Summary of Quality Assurance and Quality Control Before Product Release Quality assurance and quality control before product release are two complementary functions within pharmaceutical manufacturing. Quality Control (QC) provides laboratory evidence that a product meets approved specifications, while Quality Assurance (QA) verifies that every step of manufacturing, testing, documentation, and investigation complies with Good Manufacturing Practices (GMP). A pharmaceutical batch is released only when both functions confirm that it is safe, effective, and manufactured according to regulatory requirements. Every pharmaceutical product represents months, or even years, of research, development, manufacturing, and testing. Before a single batch.. READ MORE »