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. 99275-60X | AHCC® Plus
      AHCC® Plus
      Immune health
    2. 77304-60X | Astragalus Max-V
      Astragalus Max-V
      Traditional support for immune health
    3. 7670-60X | Ayur-Ashwagandha
      Traditional support for general wellness and stress management
    4. 202676-60X | B-Complex
      Support for energy metabolism and neurological health
    5. 83901-90X | Beta 1,3 Glucan
      Beta 1,3 Glucan
      Immune and cardiovascular health
    6. 80097-100X | Cat's Claw
      Cat's Claw
      Traditional support for immune, joint and cardiovascular health
    7. 80249-90X | Chlorella Plus
      Chlorella Plus
      Support for detoxification and immune health
    8. CRA | Cran-Max ™
      Cran-Max ™
      Support for urinary tract health
    9. 201810-120X | Cysto Renew®
      Cysto Renew®
      Bladder support
    10. 80317-60X | De-Mer-Tox ™
      De-Mer-Tox ™
      Support for healthy detoxification
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