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Foundation

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. Flax Seed Oil (Softgels)
      Flax Seed Oil (Softgels)
      Essential fatty acid support
    2. Liposomal Glutathione
      Liposomal Glutathione
      Reduced glutathione with a liposomal phospholipid
    3. QÜELL® Fish Oil Clinical Strength EPA
      QÜELL® Fish Oil Clinical Strength EPA
      Supercritical CO2 Triglyceride
      900 mg of Omega-3 EPA per softgel
    4. QÜELL® Fish Oil EFA Plus
      QÜELL® Fish Oil EFA Plus
      Essential Fatty Acid formula EPA/DHA/GLA Plus
    5. Balance Plus
      Balance Plus
      Omega 3, 6, 9 from fish, primrose, and olive oil
    6. Krill Oil
      Krill Oil
      A source of omega-3 fatty acids, phospholipids and astaxanthin
    7. QÜELL® Fish Oil Junior
      QÜELL® Fish Oil Junior
      Small softgels with Omega-3 DHA
    8. QÜELL® Fish Oil - EPA/DHA Plus D
      QÜELL® Fish Oil - EPA/DHA Plus D
      Supercritical CO2 Triglyceride
    9. QÜELL® Fish Oil - Ultra DHA
      QÜELL® Fish Oil - Ultra DHA
      Supercritical CO2 Triglyceride
    10. QÜELL® Fish Oil - Ultra EPA
      QÜELL® Fish Oil - Ultra EPA
      Supercritical CO2 Triglyceride
    11. Opti-EPA ™ Enteric-Coated
      Opti-EPA ™ Enteric-Coated
      A higher ratio of EPA to DHA from fish
    12. Opti-DHA ™ Enteric-Coated
      Opti-DHA ™ Enteric-Coated
      A higher ratio of DHA to EPA from fish
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