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. 201398-60X | QÜELL® Fish Oil Junior
      QÜELL® Fish Oil Junior
      Children's health and development
    2. 200980-60X | QÜELL® Fish Oil Ultra DHA
      QÜELL® Fish Oil Ultra DHA
      Cognitive and maternal health
    3. 200979-60X | QÜELL® Fish Oil Ultra EPA
      QÜELL® Fish Oil Ultra EPA
      Cardiovascular and joint health
    4. 202691-60X | QÜELL® Fish Oil Ultra SPM
      QÜELL® Fish Oil Ultra SPM
      Specialized Pro-Resolving Mediators for Immune Homeostasis and Cardiovascular Health
    5. QBC | Quercetin-Bromelain Complex
      Quercetin-Bromelain Complex
      Antioxidant and immune support
    6. 200244-30X | Resveratrol
      Cardiovascular, neurological, metabolic and mitochondrial health
    7. 202212-100X | S.O.D. (Superoxide Dismutase)
      S.O.D. (Superoxide Dismutase)
      Antioxidant enzyme support
    8. 202126-60X | SeasonALL™
      Environmental immune support
    9. 7380-90X | Silymarin/Milk Thistle Capsules
      Silymarin/Milk Thistle Capsules
      Traditional support for a healthy liver
    10. 7962-90X | Timed Release Iron
      Timed Release Iron
      Healthy iron status
    11. 7470-90X | Ultra Anti-Oxidant
      Ultra Anti-Oxidant
      Comprehensive antioxidant support
    12. 7046 | Ultra G.L.A. (Borage Oil)
      Ultra G.L.A. (Borage Oil)
      Essential fatty acid support
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