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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. Ultra Preventive ® EZ Swallow
      Ultra Preventive ® EZ Swallow
      An easy to swallow tablet version of Ultra Preventive® X signature formula with Metafolin®
    2. Ultra Preventive 50+
      Ultra Preventive 50+
      A unique multivitamin/mineral specially formulated for cognition, vision, and healthy aging‡
    3. Methyl B12 Plus
      Methyl B12 Plus
      Methylcobalamin B12 plus folate as L-methylfolate flavored lozenges
    4. Quercetin-Bromelain Complex
      Quercetin-Bromelain Complex
      Triple source antioxidant and enzyme formula
    5. Mg.-K Aspartate
      Mg.-K Aspartate
      Magnesium and Potassium Aspartate tablets
    6. Alpha-Lipoic Acid
      Alpha-Lipoic Acid
      100 mg Alpha-lipoic acid tablets
    7. FlavonAll ®
      FlavonAll ®
      A broad-spectrum plant-based flavonoid complex
    8. Ultra Preventive ® III with Copper (tablets)
      Ultra Preventive ® III with Copper (tablets)
      Douglas Laboratories' signature series of multivitamin/mineral formulas with Metafolin® methylfolate. Includes Copper.
    9. Ultra Preventive ® III with Copper & Iron
      Ultra Preventive ® III with Copper & Iron
      Douglas Laboratories' signature series of multivitamin/mineral formulas with Metafolin® methylfolate. Includes Copper and Iron.
    10. Basic Preventive ® 5
      Basic Preventive ® 5
      This multivitamin/mineral formula contains no iron
    11. Basic Preventive ® 4
      Basic Preventive ® 4
      This multivitamin/mineral formula contains no iron , no copper
    12. Basic Preventive ® 2
      Basic Preventive ® 2
      This multivitamin/mineral formula is iron and copper free and is in a base of freeze-dried bovine glandulars
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