Best Sellers

Douglas Labs manufactures dietary supplements scientifically formulated to help support enhanced energy levels and muscle function to help you reach your fitness goals. Choose from products that support the adrenal and thyroid glands and promote physical and mental endurance.



Learn more about Douglas Laboratories® Best Sellers and Unique Formulations

View as Grid List
per page
Set Descending Direction

Showing 24 Items

  1. Amino-Mag 200 ™
    Amino-Mag 200 ™
    Cardiometabolic, neurocognitive and musculoskeletal health
  2. Berberine Balance
    Berberine Balance
    Cardiovascular health
  3. Boswellia-Turmeric Complex
    Boswellia-Turmeric Complex
    Musculoskeletal and joint health
  4. Cal-6+Mg. ™
    Cal-6 + Mg™
    Calcium complex to support healthy bones and teeth
  5. DHEA (10 mg.)
    DHEA (10 mg.)
    Hormone support
  6. GABA
    GABA
    Support for mood and relaxation
  7. K2-D3 with Astaxanthin
    K2-D3 with Astaxanthin
    Cardiovascular and bone health
  8. Liquid B12
    Liquid B12
    Natural Cherry flavored liquid Vitamin B-12
  9. Magnesium Citrate
    Magnesium Citrate
    Magnesium citrate capsules
  10. Magnesium Glycinate
    Magnesium Glycinate
    Highly bioavailable magnesium chelate to support carbohydrate, amino acid, and fat metabolism
  11. Magnesium Taurate 400
    Magnesium Taurate 400
    Magnesium from Magnesium taurate amino acid chelate
  12. Melatonin
    Melatonin
    Support for restful sleep
  13. Methyl B12 Plus
    Methyl B12 Plus
    Methylcobalamin B12 plus folate as L-methylfolate flavored lozenges
  14. Methyl Folate
    Methyl Folate
    Folate as L-methylfolate, Metafolin® 1,000 mcg
  15. Multi-Probiotic 40 Billion
    Multi-Probiotic 40 Billion
    Gastrointestinal and immune health
  16. Niacinamide 500 mg
    Niacinamide 500 mg
    500 mg Niacinamin capsule
  17. Pregnenolone (25 mg)
    Pregnenolone (25 mg)
    Hormone support
  18. QÜELL® Fish Oil - EPA/DHA Plus D
    QÜELL® Fish Oil - EPA/DHA Plus D
    Daily wellness, cardiovascular and immune health
  19. Ultra Preventive® X
    Ultra Preventive® X (Tablets)
    Signature multivitamin/mineral with fruits and vegetables for daily wellness
  20. Vitamin C 100 count
    Vitamin C 1,000 mg
    Vitamin C, provided by Douglas Laboratories®, contains 1,000 mg of vitamin C as L-ascorbic acid per tablet.
  21. Vitamin D (1
    Vitamin D 25 mcg (1,000 IU)
    1,000 IU Vitamin D-3 tablets
  22. Vitamin K2
    Vitamin K2
    Support for healthy bone formation and blood vessels
  23. Zinc Lozenges
    Zinc Lozenges
    Support for immune function and emotional wellness
  24. Zinc Picolinate (Capsules)
    Zinc Picolinate (Capsules)
    Zinc picolinate 50 mg
View as Grid List
per page
Set Descending Direction

Showing 24 Items