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Health Sciences Authority

Good Manufacturing Practice and Good Distribution Practice Standards

Establish a quality system that ensures your products are properly handled, stored and distributed to assure quality and integrity throughout the supply chain.

Last updated 17 March 2026

Good Manufacturing Practice Standard

Good Manufacturing Practice (GMP) is a vital component of Quality Assurance to help ensure that CTGTP are consistently produced with the quality standards appropriate for their intended use.

All manufacturers (including those conducting secondary packaging) of CTGTP which is not minimally manipulated and intended for clinical use, are required to comply with the HSA Guidelines on Good Manufacturing Practice (GMP) for CTGTP [PDF, 792 KB].

Good Distribution Practice Standard

Good Distribution Practice (GDP) is a vital component of Quality Assurance. It requires the company to establish a quality system which ensures that products are stored and handled under appropriate conditions as required by the product registration or product specification.

Compliance to our Guidance Notes on Good Distribution Practice [PDF, 280 KB] is mandatory for all local importers and wholesalers of CTGTP which is not minimally manipulated and intended for clinical use in Singapore.