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® 50+
      Ultra Preventive® 50+
      A unique multivitamin/mineral specially formulated for cognition, vision, and healthy aging
    2. Ultra Preventive® EZ Swallow
      Ultra Preventive® EZ Swallow
      Signature multivitamin/mineral with fruits and vegetables for daily wellness
    3. Ultra Preventive ® Teen
      Ultra Preventive® Teen
      Multivitamin/mineral for daily wellness
    4. Ultra Protein Green
      Ultra Protein Green™
      Daily nutrition and antioxidant support
    5. Ultra Protein Plus Chocolate 900 g
      Ultra Protein Plus Chocolate
      Nutritional support for daily wellness
    6. Ultra Protein Plus Vanilla 900 g
      Ultra Protein Plus Vanilla
      Nutritional support for daily wellness
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