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. 202273-90X | Methyl B12 Plus
      Methyl B12 Plus
      Methylcobalamin B12 plus folate as L-methylfolate flavored lozenges
    2. 202686-60X | Methyl Folate 5 mg
      Methyl Folate 5 mg
      Folate as L-methylfolate 5,000 mcg capsule
    3. 77358-60X | Milk Thistle Max-V
      Milk Thistle Max-V
      Traditional support for a healthy liver
    4. 57648P-60X | Multi-Probiotic ® Kids
      Multi-Probiotic ® Kids
      Support for digestive, immune, and skin health
    5. 98531-60X | Opti-DHA ™ Enteric-Coated
      Opti-DHA ™ Enteric-Coated
      Essential fatty acid support
    6. 99276-60X | Opti-EPA ™ Enteric-Coated
      Opti-EPA ™ Enteric-Coated
      Essential fatty acid support
    7. 7089 | Opti-EPA™ 500 (Cholesterol Free)
      Opti-EPA™ 500 (Cholesterol Free)
      Essential fatty acid support
    8. 57402-240X | Organic Greens & Reds
      Organic Greens & Reds
      Daily wellness and healthy aging
    9. 81096-63X | Phyto Shield ™
      Phyto Shield ™
      Traditional support for healthy immune function
    10. 201811-60X | Prenatal
      Maternal health and wellness
    11. 200981 | QÜELL® Fish Oil - EPA/DHA Plus D
      QÜELL® Fish Oil - EPA/DHA Plus D
      Daily wellness, cardiovascular and immune health
    12. 202260-60X | QÜELL® Fish Oil EFA Plus
      QÜELL® Fish Oil EFA Plus
      Skin health, eye moisture, and joint support
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