Best Practices and Strategies during these trying times.
Learn more about our dedication to quality and commitment during this trying environment.


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. Krill Oil
      Krill Oil
      A source of omega-3 fatty acids, phospholipids and astaxanthin
    2. SeasonALL ™
      SeasonALL ™
      Seasonal support to environmental changes
    3. Multi-Probiotic ® Kids
      Multi-Probiotic ® Kids
      Neutral tasting multi-strain probiotic powder
    4. Immunity
      Powerful Phytonutrients and Vitamins for short-term immunity
    5. Quercetin-Bromelain Complex
      Quercetin-Bromelain Complex
      Triple source antioxidant and enzyme formula
    6. Mycoceutics ®
      Mycoceutics ®
      Organic ten mushroom formula with Beta 1,3 glucan
    7. Mg.-K Aspartate
      Mg.-K Aspartate
      Magnesium and Potassium Aspartate tablets
    8. Alpha-Lipoic Acid
      Alpha-Lipoic Acid
      100 mg Alpha-lipoic acid tablets
    9. Glutathione Plus ™
      Glutathione Plus ™
      Reduced L-glutathione with N-Acetyl-L-Cysteine
    10. Germanium (Capsule)
      Germanium (Capsule)
      Germanium bis-carboxyethyl sesquioxide capsule
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