PureDefense with NAC


PureDefense with NAC provides enhanced support for upper respiratory health.

  • Helps support immune health.
  • Maintains upper respiratory health.
  • Made with hypoallergenic ingredients.



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PureDefense with NAC contains EpiCor® that is a fermentate of Saccharomyces cerevisiae containing various bioactive metabolites.

Quercetin and elderberry provide flavonoids that offer additional support for immune and respiratory function while vitamin C, vitamin D and zinc play important roles in immune cell activation.

  1. Natural killer cells are part of the body’s innate, or first-line, immune response.
  2. They respond more quickly than the adaptive immune system comprised of B cells and T cells.
  3. Once activated, natural killer cell activity peaks in as quickly as several hours, providing rapid support and wide-range immune defense.
  4. These nutrient metabolites are produced in a specialized fermentation process and support immune cell production.
  5. In one cellular study, EpiCor® promoted natural killer cell activation, as well as that of B cells and T cells. In two randomized, double-blind, placebo-controlled trials, EpiCor® provided statistically significant support for upper respiratory tract health and overall immune health.
  6. NAC (N-Acetyl-L-Cysteine) promotes endogenous glutathione production for antioxidant protection and provides lung defense mechanisms for healthy respiratory function.

PureDefense w/NAC


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