Throughout our more than 50 years in existence, Douglas Laboratories has elevated the science, expertise and art of manufacturing nutritional supplements to achieve unparalleled quality. Our modern climate-controlled facilities include over 150,000 square feet of world-class manufacturing, three in-house laboratories and packaging and distribution capabilities.

Douglas Laboratories continually reinvests substantial resources to improve and upgrade our manufacturing equipment, laboratories, processes, and staff education and training. Our dedicated staff of manufacturing and nutritional experts are committed to unprecedented quality through every step of our manufacturing and quality control procedures.

Douglas Laboratories' rigorous manufacturing practices and procedures are designed to monitor and verify quality throughout every step of the production process.

• Douglas Laboratories' manufacturing facilities have received registration from NSF International.

• cGMPs (current Good Manufacturing Practices) for dietary supplements in accordance with USP/AOAC.

• ISO 9001 Certification and ISO 17025 Accreditation of our onsite analytical laboratories

NutriSearch* Gold Medal of Achievement Winner for four products including:

• Ultra Preventive® X
• Ultra Preventive® IX
• Ultra Preventive® IX with vitamin K
• Longevity Support Pack

* NutriSearch™ is the publisher of the independent NutriSearch™ Comparative Guide to Nutritional Supplements

• Veri-Match - electronic label match to formula system to ensure content accuracy.

• SOPs (written Standard Operating Procedures) in accordance with cGMPs.

• SQP (Supplier Qualification Program) ensuring supplier compliance.

Douglas Laboratories is proud to announce that our in-house laboratory certification and accreditation meet both the ISO 9001 and ISO 17025 standards. These standards mean that we are compliant with one of the highest and most recognized standards of quality in the world. When comparing supplement suppliers, ask them for verification of their laboratories' ISO certification.

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