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. Boswellia-Turmeric Complex
    Boswellia-Turmeric Complex
    Musculoskeletal and joint health
  3. Cal-6+Mg. ™
    Cal-6 + Mg™
    Calcium complex to support healthy bones and teeth
  4. Magnesium Taurate 400
    Magnesium Taurate 400
    Magnesium from Magnesium taurate amino acid chelate
  5. Methyl B12 Plus
    Methyl B12 Plus
    Methylcobalamin B12 plus folate as L-methylfolate flavored lozenges
  6. Methyl Folate
    Methyl Folate
    Folate as L-methylfolate, Metafolin® 1,000 mcg
  7. Pregnenolone (25 mg)
    Pregnenolone (25 mg)
    Hormone support
  8. Ultra Preventive® X
    Ultra Preventive® X (Tablets)
    Signature multivitamin/mineral with fruits and vegetables for daily wellness
  9. 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.
  10. Vitamin D (1
    Vitamin D 25 mcg (1,000 IU)
    1,000 IU Vitamin D-3 tablets
  11. Zinc Picolinate (Capsules)
    Zinc Picolinate (Capsules)
    Zinc picolinate 50 mg
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