Douglas Laboratories formulates products with the understanding that every patient is different and that each healthcare professional brings his or her own philosophy and clinical experience into play when working with a patient. We provide a wide selection of vitamin, mineral and amino acid products to meet the unique biochemical and metabolic needs of each patient. Our selection of individual and multi-nutrient products gives the practitioner the ultimate ability to customize supplementation based on lab results, clinical presentation and other parameters to provide personalized nutrition for each patient.

Ultra Preventive®

14 unique formulas available in tablets or capsules.

  • Ultra Preventive® Product Selection Guide
  • Ultra Preventive® Multivitamins Patient Guide

  • View the Guide to Foundational Support for Healthy Aging

    QÜELL Fish Oil®

    A suite of ultra-pure, supercritical CO2 extracted, omega-3 fish oils in fish gelatin softgels.

  • QÜELL Fish Oil® Product Selection Guide
  • The QÜELL Fish Oil® Difference Patient Guide
  • Dr. Jacob Teitelbaum+

    Dr. Teitelbaum is a board-certified internist and has been a nationally recognized expert in the fields of fatigue and sleep management for the past 30 years.

    Learn how to apply Dr. Teitelbaum's Tune-Up Program in your practice today.

    +Dr. Teitelbaum is a retained consultant for Douglas Laboratories.

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    1. 202232-90X | Balance Plus
      Balance Plus
      Daily wellness
    2. 7980-100X | DEPA
      Essential fatty acid support
    3. 202518-100X | Flax Seed Oil (Softgels)
      Flax Seed Oil (Softgels)
      Essential fatty acid support
    4. 202523-30X | Hemp Max with VESIsorb®
      Hemp Max with VESIsorb®
      Broad-spectrum hemp extract with enhanced bioavailability
    5. 202182-60X | Krill Oil
      Krill Oil
      Support for cognitive, heart and joint health and overall well-being
    6. 202466-45X | Liposomal Glutathione
      Liposomal Glutathione
      Supports antioxidant defenses and detoxification
    7. 98531-60X | Opti-DHA ™ Enteric-Coated
      Opti-DHA ™ Enteric-Coated
      Essential fatty acid support
    8. 99276-60X | Opti-EPA ™ Enteric-Coated
      Opti-EPA ™ Enteric-Coated
      Essential fatty acid support
    9. 7089 | Opti-EPA™ 500 (Cholesterol Free)
      Opti-EPA™ 500 (Cholesterol Free)
      Essential fatty acid support
    10. 200981 | QÜELL® Fish Oil - EPA/DHA Plus D
      QÜELL® Fish Oil - EPA/DHA Plus D
      Daily wellness, cardiovascular and immune health
    11. 202260-60X | QÜELL® Fish Oil EFA Plus
      QÜELL® Fish Oil EFA Plus
      Skin health, eye moisture, and joint support
    12. 201398-60X | QÜELL® Fish Oil Junior
      QÜELL® Fish Oil Junior
      Children's health and development
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