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. G.F.S.-2000 ® (Capsules)
      G.F.S.-2000 ® (Capsules)
      Phytonutrient-rich greens for daily wellness
    2. Ultra Liver Support‡
      Ultra Liver Support‡
      Contains several lipotropic nutrients and herbal ingredients for liver and gastrointestinal tract support
    3. MitoTone® Plus
      MitoTone® Plus
      MitoTone® Plus is a unique dietary supplement designed to provide a broad spectrum of beneficial mitochondrial energy production support nutrients.
    4. Methyl Folate 5 mg
      Methyl Folate 5 mg
      Folate as L-methylfolate 5 mg capsule
    5. QÜELL® Fish Oil Clinical Strength DHA
      QÜELL® Fish Oil Clinical Strength DHA
      Supercritical CO2 Triglyceride
      900 mg of Omega-3 DHA per softgel
    6. S.O.D. (Superoxide Dismutase)
      S.O.D. (Superoxide Dismutase)
      Superoxide dismutase from liver extract
    7. SeasonALL ™
      SeasonALL ™
      Seasonal support to environmental changes
    8. Immunity
      Powerful Phytonutrients and Vitamins for short-term immunity
    9. Mycoceutics ®
      Mycoceutics ®
      Organic ten mushroom formula with Beta 1,3 glucan
    10. Glutathione Plus ™
      Glutathione Plus ™
      Reduced L-glutathione with N-Acetyl-L-Cysteine
    11. Germanium (Capsule)
      Germanium (Capsule)
      Germanium bis-carboxyethyl sesquioxide capsule
    12. Cran-Max ™
      Cran-Max ™
      Cranberry whole fruit concentrate for bladder health
    13. Basic Preventive ® 5 (Vegetarian Capsules)
      Basic Preventive ® 5 (Vegetarian Capsules)
      This multivitamin/mineral formula contains no iron in vegetarian capsule form
    14. Prenatal
      Prenatal capsules with Metafolin® methylfolate and lutein
    15. Cysto Renew ®
      Cysto Renew ®
      Supports a calm and healthy functioning bladder
    16. Ultra Preventive ® III with Copper (Capsules)
      Ultra Preventive ® III with Copper (Capsules)
      Douglas Laboratories' signature series of multivitamin/mineral formulas in capsule form with Copper
    17. Ultra Preventive ® III (capsules)
      Ultra Preventive ® III (capsules)
      Douglas Laboratories' signature series of multivitamin/mineral formulas in capsule form
    18. Resveratrol
      A pure and potent form of Trans-Resveratrol
    19. A.H.C.C. ® Plus
      AHCC® Plus
      A special mushroom extract with Arabinogalactin
    20. ColostOferrin ™
      Colostrum plus Lactoferrin and other immune-support nutrients
    21. Beta 1,3 Glucan
      Beta 1,3 Glucan
      Beta glucan for immune and cardiovascular support
    22. Lipoic Acid
      Lipoic Acid
      100 mg Alpha-lipoic acid capsules
    23. Ultra-Lipoic Forte ® (60 count)
      Ultra-Lipoic Forte ® (60 count)
      High dose Alpha lipoic acid capsules
    24. Querciplex (100 count)
      Querciplex (100 count)
      Quercetin plus Bromelain capsules
    25. Phyto Shield ™
      Phyto Shield ™
      Phytonutrient blend with Echinacea for immune support
    26. GSH 250 ™
      GSH 250 ™
      Master Glutathione Formula with NAC, Lipoic acid plus
    27. De-Mer-Tox ™
      De-Mer-Tox ™
      Supports heavy metal detoxification and amalgam filling removal
    28. Chlorella Plus
      Chlorella Plus
      Freeze-dried chlorella and spirulina
    29. Cat's Claw
      Cat's Claw
      Cat's claw 500 mg
    30. Uva Ursi Max-V
      Uva Ursi Max-V
      Bearberry for Urinary tract and Diuretic Health
    31. Milk Thistle Max-V
      Milk Thistle Max-V
      Milk Thistle Extract 250 mg standardized to 80% silymarin
    32. Astragalus Max-V
      Astragalus Max-V
      Astragalus standardized extract 500 mg
    33. Ultra Anti-Oxidant
      Ultra Anti-Oxidant
      A potent blend of various antioxidant sources
    34. Silymarin/Milk Thistle Extract
      Silymarin/Milk Thistle Extract
      Milk Thistle 150 mg standardized to 80% Silymarin
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