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Immune

Our immune system plays a vital role in maintaining our health. Normal aging, environmental stressors, and other factors affect the immune response capacity and may impact other metabolic functions and processes. One way to support our immunologic health is through proper nutrition. Douglas Laboratories® offers a wide selection of scientifically-formulated products to support a strong and healthy immune system.

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  1. Ascorbplex 1000™
    Ascorbplex 1000™
    Vitamin C as L-ascorbic acid buffered with mineral ascorbates
  2. Potassium (99 mg.) Chelated
    Potassium (99 mg.) Chelated
    Potassium chelate capsule
  3. Opti-Zinc 30
    Opti-Zinc 30
    Zinc monomethionine 30 mg
  4. K2-D3 with Astaxanthin
    K2-D3 with Astaxanthin
    High potency Vitamin K2 with Vitamin D-3 and Astaxanthin for bone and heart health
  5. Ester-C ® Plus
    Ester-C ® Plus
    Ester C is currently on backorder. We are committed to providing you with high quality ingredients and want to ensure the best of the best reach your hands. At this time we do not have a timeline for availability, however we sincerely appreciate your patience as we resolve this. Please contact Customer Service for our suggested replacement.

    Ester-C® calcium ascorbate plus bioflavonoids
  6. Vitamin C Crystals
    Vitamin C Crystals
    High potency Vitamin C powder
  7. Zinc Lozenges
    Zinc Lozenges
    Zinc citrate 10 mg lozenge
  8. Zinc Picolinate (Tablets)
    Zinc Picolinate (Tablets)
    Zinc Picolinate 20 mg
  9. Seleno-Methionine
    Seleno-Methionine
    Selenium capsules as amino acid chelate
  10. C-1000
    C-1000
    1,000 mg Pure Vitamin C capsule
  11. C-Max ®
    C-Max ®
    High dose Vitamin C Time release tablets
  12. Vitamin D (5,000 I.U.)
    Vitamin D (5,000 I.U.)
    5,000 IU Vitamin D-3 tablets
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