Natrol Immune Boost Capsules Bottle
Natrol Immune Boost Capsules Box
Natrol Immune Boost Capsules Size Comparison

Immune Boost Capsules

Daily maintenance for stronger immune health†
Natrol®’s Immune Boost Formula supports a strong immune system using the clinically tested super food EpiCor®.  EpiCor is combined with high potency immune supporting supplements Vitamin C, Vitamin D3, Selenium and Zinc.
  • Zinc
  • Vitamin D
  • Vitamin C
  • Selenium
  • See below for complete Supplement Facts
  • NO: Milk, Egg, Fish, Crustacean Shellfish, Tree Nuts, Peanuts, Wheat, Soybeans
    Natrol’s Immune Boost Formula supports a strong immune system using the clinically tested super food EpiCor® in combination with high potency immune supporting supplements Vitamin C, Vitamin D-3, Selenium and Zinc.† The stronger and healthier your immune system, the better you and your family are able to fight off daily challenges.†
  • EpiCor® is a fermented immune promoting yeast complex – a Super Food for immune health. EpiCor® has been the subject of several clinical studies that shows it promotes immune function.† EpiCor® has been clinically shown to increase the activity of Natural Killer cells and other immune cells in healthy adults. Natural Killer cells are part of the body’s natural immune defense.† EpiCor® also supports the body’s production of the antibody IgA, found in mucous membranes, which is an integral part of the body’s first line of defense.†
  • Vitamin C is the powerhouse of all vitamins and has a long history of supporting immune health.
  • Vitamin D3 has emerging science showing its role in supporting the immune system.† Many Americans are not getting the Vitamin D they need from the sun or food sources.
  • Selenium and Zinc are two minerals that play a role in immune health.† Immune Boost Formula Benefits:
  • Provides daily maintenance for stronger immune health Safe for Adults and Children ages 9 and older. Tips for Kids: Sprinkle the contents of one capsule into their favorite food. Keep your body strong throughout the year with Natrol’s Immune Boost.
  • Adults: Take 1 capsule, one time daily, with a meal. For Children 9 Years and Older: Sprinkle the contents of 1 capsule, one time daily, into their favorite food. Not recommended for children under 9 years old. WARNING: Consult your healthcare professional prior to use if you have or suspect a medical condition, are taking prescription drugs, or are pregnant or lactating.

    with clean

    No Artificial Flavors

    No Artificial Sweeteners


    No Preservatives

    No Synthetic Dyes

    Nutrition Facts

    Supplement Facts

    Serving Size 1 Capsule

    Servings Per Container 30


    Amount Per Serving


    Vitamin C (Ascorbic Acid)



    Vitamin D-3 (as Cholecalciferol)



    Zinc (from Zinc Oxide)



    Selenium (from SelenoExcell® Yeast-Bound Selenium)



    EpiCor® Super Food Yeast Complex



    *Daily Value (DV) not established.

    Other Ingredients: Gelatin, Maltodextrin, Silicon Dioxide, Magnesium Stearate, Organic Rice Powder

    Better Ingredients, Better Results

    What’s Inside and Why It Matters

    Natural ingredients
    Vitamin C
    Vitamin D
    Selenium is a mineral that plays a role in immune health.†

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