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. QÜELL® Fish Oil Ultra SPM
      QÜELL® Fish Oil Ultra SPM
      Specialized Pro-Resolving Mediators for Immune Homeostasis and Cardiovascular Health
    2. Quercetin-Bromelain Complex
      Quercetin-Bromelain Complex
      Antioxidant and immune support
    3. Resveratrol
      Cardiovascular, neurological, metabolic and mitochondrial health
    4. S.O.D. (Superoxide Dismutase)
      S.O.D. (Superoxide Dismutase)
      Antioxidant enzyme support
    5. SeasonALL ™
      Environmental immune support
    6. Silymarin/Milk Thistle Extract
      Silymarin/Milk Thistle Capsules
      Traditional support for a healthy liver
    7. Timed Release Iron
      Timed Release Iron
      Healthy iron status
    8. Ultra Anti-Oxidant
      Ultra Anti-Oxidant
      Comprehensive antioxidant support
    9. Ultra G.L.A. (Borage Oil)
      Ultra G.L.A. (Borage Oil)
      Essential fatty acid support
    10. Ultra Liver Support‡
      Ultra Liver Support
      Healthy liver function and detoxification
    11. Ultra Preventive Gummy
      Ultra Preventive Gummy
      A gummy multivitamin/mineral for daily wellness in children and adults
    12. Ultra Preventive ® 2 Daily
      Ultra Preventive® 2 Daily
      Comprehensive multivtamin/mineral with phytonutrients for daily wellness
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