Douglas Laboratories is the trusted choice of thousands of healthcare professionals. For over 50 years, we have been at the forefront of the nutritional health industry, proudly researching, developing and manufacturing superior-quality, science-based dietary supplements to help people improve their health. Proudly earning the trust of thousands of healthcare professionals.

Trust Douglas Laboratories for best-in-class, science-based dietary supplements manufactured exclusively for healthcare professionals. We are proud to offer one of the largest and most innovative selections of over 600 premium-quality products, manufactured in cGMP-compliant, state-of-the-art facilities.

Trust in Douglas Laboratories for uncompromising operational practices.
• Multiple domestic and international cGMP certifications.
• NSF® International GMP Registered
• NSF Certified for Sport® approved facility
• ISO-9001:2008 Certification and ISO-17025:2005 Accreditation for in-house laboratories
• FDA Audit Co