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

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  1. Amino-Mag 200 ™
    Amino-Mag 200 ™
    Cardiometabolic, neurocognitive and musculoskeletal health
  2. Cal-6+Mg. ™
    Cal-6 + Mg™
    Calcium complex to support healthy bones and teeth
  3. GABA
    GABA
    Support for mood and relaxation
  4. K2-D3 with Astaxanthin
    K2-D3 with Astaxanthin
    Cardiovascular and bone health
  5. Liquid B12
    Liquid B12
    Natural Cherry flavored liquid Vitamin B-12
  6. Magnesium Citrate
    Magnesium Citrate
    Magnesium citrate capsules
  7. Methyl B12 Plus
    Methyl B12 Plus
    Methylcobalamin B12 plus folate as L-methylfolate flavored lozenges
  8. Methyl Folate
    Methyl Folate
    Folate as L-methylfolate, Metafolin® 1,000 mcg
  9. Niacinamide 500 mg
    Niacinamide 500 mg
    500 mg Niacinamin capsule
  10. 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.
  11. Vitamin D (1
    Vitamin D 25 mcg (1,000 IU)
    1,000 IU Vitamin D-3 tablets
  12. Zinc Picolinate (Capsules)
    Zinc Picolinate (Capsules)
    Zinc picolinate 50 mg
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