17/08/2025
🧪 QC vs QA in a Food Manufacturing Industry — What’s the Difference?
In a GMP-regulated food industry, both Quality Control (QC) and Quality Assurance (QA) are essential — but they focus on different parts of the quality journey.
🔹 Quality Control (QC) = Detection
QC checks the final product and materials to detect any issues.
✅ They run tests, analyze data, and make sure everything meets specifications.
Examples:
• Testing pH, viscosity , or salt
• Inspecting incoming raw materials
• Verifying lot release data
• Investigating out-of-spec results (OOS)
🔍 QC asks: “Is this product or component meeting the required standards?”
🔹 Quality Assurance (QA) = Prevention
QA focuses on the systems and processes that ensure everything is done correctly from the start.
✅ They ensure documentation is followed, processes are validated, and teams are trained.
Examples:
• Reviewing SOPs and batch records
• Monitoring deviations and CAPAs
• Validating procedures
• Auditing GMP practices
🛡️ QA asks: “Did we follow the right process to ensure consistent quality?”
📌 In short:
QC = Tests the product 🧪
QA = Protects the process 🛡️
Both are critical for maintaining compliance, consistency, and trust in regulated environments like food industry,