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 10 Items

  1. Berberine Balance
    Berberine Balance
    Cardiovascular health
  2. DHEA (10 mg.)
    DHEA (10 mg.)
    Hormone support
  3. GABA
    GABA
    Support for mood and relaxation
  4. K2-D3 with Astaxanthin
    K2-D3 with Astaxanthin
    Cardiovascular and bone health
  5. Magnesium Citrate
    Magnesium Citrate
    Magnesium citrate capsules
  6. Magnesium Glycinate
    Magnesium Glycinate
    Highly bioavailable magnesium chelate to support carbohydrate, amino acid, and fat metabolism
  7. Melatonin
    Melatonin
    Support for restful sleep
  8. Multi-Probiotic 40 Billion
    Multi-Probiotic 40 Billion
    Gastrointestinal and immune health
  9. Niacinamide 500 mg
    Niacinamide 500 mg
    500 mg Niacinamin capsule
  10. Vitamin K2
    Vitamin K2
    Support for healthy bone formation and blood vessels
View as Grid List
per page
Set Descending Direction

Showing 10 Items