Douglas Laboratories

For over 50 years, Douglas Laboratories has been dedicated to formulating high-quality nutritional supplements, adhering to rigorous standards often overlooked by others. They utilize Good Manufacturing Practices (GMP), ISO-certified labs, and a Vendor Certification Program (VCP) to ensure top-quality products you can trust.

At OVitaminPro, we proudly offer a wide range of Douglas Laboratories supplements, including the top-rated Ultra-Preventive X multivitamin, to support your healthy and active lifestyle.