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Supports overall immune defense and provides support for upper respiratory health* Natural killer cells are part of the body's innate, or first-line, immune response. They respond more quickly than the adaptive immune system comprised of B cells and T cells. Once activated, natural killer cell activity peaks in as quickly as several hours, providing rapid support and wide-range immune defense. EpiCor® is a fermentate of Saccharomyces cerevisiae containing various bioactive metabolites. These nutrient metabolites are produced in a specialized fermentation process and support immune cell production. 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. A separate open label, in-house trial indicated a strong potential for EpiCor® supplementation to enhance secretory IgA levels after 30 days. These various actions demonstrate the ability of EpiCor® to address both innate and adaptive immune responses. NAC (n-acetyl-l-cysteine) promotes endogenous glutathione production for antioxidant protection and provides lung defense mechanisms for healthy respiratory function. In a randomized double-blind trial involving mostly older individuals, NAC showed support for respiratory health. 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.* • Helps support immune health* • Maintains upper respiratory health* • Made with hypoallergenic ingredients
Non-GMO

Take 2 capsules, twice daily, with meals.


Serving Size: two vegetarian capsules

Amount Per Serving
Vitamin C ... 250mg
(as ascorbic acid)
Vitamin D ... 25 mcg (1,000 IU)
(as cholecalciferol) (D3)
Zinc ... 7.5mg
(as zinc citrate)
N-acetyl-l-cysteine ...450mg
(free-form)
EpiCor® dried yeast fermentate complex ... 250mg
(from Saccharomyces cerevisiae)
European elder extract ... 200mg
(elderberry) (sambucus nigra) (fruit)
Quercetin ... 25mg

Other Ingredients: ascorbyl palmitate, vegetarian capsule (cellulose, water)

Epicor® is a registered trademark of Embria Health Sciences, L.L.C.

Warning: If you are pregnant or lactating, have any health condition or are taking any medications, particularly immunosuppressants, consult your health professional before use. Keep out of the reach of children.

Enhanced testing

How was this product tested?

At Emerson Ecologics, every brand meets our elevated quality standards. But we don’t stop there. As an added layer of assurance, select products from popular or problematic categories are subjected to enhanced testing by independent third-party labs to confirm potency and purity claims, giving you more trust in the products you recommend. Brands cannot pay for inclusion in Enhanced Testing or to receive an “Enhanced Testing” badge, ensuring that decisions remain clinically-focused and unbiased.

Learn more about the testing methods

PureDefense w/Nac

Pure Encapsulations

Emerson Item Code

PDN1

Vendor Item Code

PDN1

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