Good Manufacturing Practice (GMP) is a system for ensuring that products are consistently produced and controlled according to quality standards. It is designed to minimize the risks involved in any pharmaceutical production that cannot be eliminated through testing the final product. GMP covers all aspects of production; from the starting materials, premises and equipment to the training and personal hygiene of staff.

Detailed, written procedures are essential for each process that could affect the quality of the finished product. WHO (World Health Organization) has established detailed guidelines for good manufacturing practice..