NPA GMP Certification ProgramNPA has always taken a leadership role in promoting quality standards and has developed proactive certification programs for that purpose. NPA was the first organization to offer a third-party GMP certification program for the manufacturing of dietary supplements and dietary ingredients. NPA established its GMP standards for dietary supplements in 1999 and updated the standard in 2000. At the time of publication, these GMP standards represented the industry’s best practices and served as the basis of the NPA GMP Certification Program.
Source: NPA GMP Certification Program