Trust. In nutritional Health.

Trust Douglas Laboratories, The Choice Of Thousands Of Healthcare Practitioners For Over 50 Years.

True Commitment

Trust Douglas Laboratories for a partnership founded on a heritage of excellence. For more than 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.

True Strength

Trust Douglas Laboratories for best–in–class, science-based dietary supplements manufactured exclusively to healthcare professionals. We are proud to offer one of the largest and most innovative selections of over 600 premium-quality product and a comprehensive range of galenic forms, manufactured in GMP–compliant, state–of–the–art facilities.

True Counsel

Trust Douglas Laboratories for personalized, one-on-one consultation on the latest, most reliable science, for strategies on using nutritional health to complement your practice and for coaching to better advise your patients on the right supplements for them.


Trust in Douglas Laboratories for uncompromising operational practices at our state-of- the-art manufacturing facilities that even surpass GMP standards and manufacturing regulations.


  • cGMPs for nutritional supplements in accordance with USP
  • NSF International has registered Douglas Laboratories as a GMP manufacturing facility
  • ISO 9001:2008 certification and ISO/IEC 17025:2005 accreditation of in-house laboratories
  • VCP (Vendor Certification Program) to ensure raw material quality
  • Approved facility to produce Certified Organic products
  • Approved facility to produce NSF Certified for Sport® products 
  • Member of Council For Responsible Nutrition