PureDefense w/NAC

Pure Encapsulations

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PUR-P17228
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PureDefense w/NAC by Pure Encapsulations – Immune Support Supplement

PureDefense w/NAC by Pure Encapsulations is a vegetarian-capsule immune formula combining EpiCor® dried yeast fermentate complex, N-Acetyl-L-Cysteine, European elder extract, quercetin, vitamin C, vitamin D3, and zinc. The formula is intended for adults seeking nutritional support for innate and adaptive immune activity, antioxidant defenses, and healthy respiratory function.

PureDefense w/NAC provides an immune support supplement with complementary nutrients rather than a single-ingredient approach. EpiCor® supplies fermentation-derived metabolites, N-Acetyl-L-Cysteine supplies cysteine for endogenous glutathione production, and vitamins C and D3 with zinc support normal immune-cell activity.

Key PureDefense w/NAC Benefits

  • Provides upper respiratory health support through EpiCor®, N-Acetyl-L-Cysteine, elderberry, and quercetin.
  • Promotes antioxidant support with N-Acetyl-L-Cysteine and vitamin C.
  • Delivers vitamin C immune support with 250 mg of ascorbic acid per serving.
  • Provides zinc immune support with 7.5 mg of zinc citrate per serving.

How PureDefense w/NAC Works

PureDefense w/NAC works by pairing fermentation-derived compounds and flavonoids with nutrients involved in immune-cell signaling and redox balance. EpiCor® dried yeast fermentate complex supports immune surveillance, while N-Acetyl-L-Cysteine provides a cysteine source for glutathione support; vitamin C, vitamin D3, zinc, elderberry, and quercetin broaden the formula's nutritional coverage.

Key Functional Ingredients Include:

  • EpiCor® dried yeast fermentate complex: Provides fermentation-derived metabolites that support normal immune surveillance and antioxidant protection.
  • N-Acetyl-L-Cysteine: Supplies cysteine used by the body to produce glutathione and maintain antioxidant defenses.
  • Vitamin C: Supports normal cellular functions of the innate and adaptive immune systems.
  • European elder extract and quercetin: Provide botanical flavonoids that complement the formula's respiratory and antioxidant focus.

PureDefense w/NAC is vegetarian and made without wheat, soy, dairy, eggs, gluten, tree nuts, peanuts, sesame, artificial colors and sweeteners, coatings and shellacs, unnecessary binders, fillers and preservatives, magnesium stearate, trans fat, or hydrogenated oils.

PureDefense w/NAC Is Formulated For

  • Adults seeking broad nutritional support for normal immune defenses.
  • People who want a multi-ingredient NAC supplement with yeast fermentate, vitamins, minerals, and flavonoids.
  • Adults looking for antioxidant nutrition that also supports healthy respiratory function.

Supplements support your health but do not replace a balanced diet. Always check with your healthcare practitioner before starting a new supplement. Or, you may book a FREE product consultation at Holistic Health Partners. You may also want to explore our Immune Support, NAC Products, and Pure Encapsulations collections.

Recommendation: As a dietary supplement, take 2 capsules, twice daily, with meals.

Serving Size: 2 capsules
Servings Per Container: 10 or 60

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

Other Ingredients: Vegetarian capsule (cellulose, water), ascorbyl palmitate.

Does Not Contain: Wheat, soy, dairy, eggs, gluten, tree nuts, peanuts, sesame, GMOs, artificial colors and sweeteners, coatings and shellacs, unnecessary binders, fillers and preservatives, magnesium stearate, trans fat, or hydrogenated oils.

Storage: Store in a cool, dry place.

Warnings/Cautions: If you are pregnant or lactating, have any health condition or are taking any medications, particularly immunosuppressants, consult your health professional before use.

Frequently Asked Questions About PureDefense w/NAC

What are the benefits of PureDefense w/NAC?

PureDefense w/NAC benefits adults by supplying several nutrients that participate in immune readiness, mucosal defenses, and protection from oxidative stress. Its EpiCor® component is a dried Saccharomyces cerevisiae fermentate containing bioactive metabolites, while elderberry and quercetin contribute plant flavonoids. The formula also supplies ascorbic acid, cholecalciferol, and zinc citrate in defined amounts per serving. N-Acetyl-L-Cysteine provides cysteine, an amino-acid building block used for endogenous glutathione synthesis. Together, these components address different parts of normal immune physiology without positioning the product as a treatment. The vegetarian capsule and concise excipient list may also suit adults who prefer professional formulas without common allergens or unnecessary additives. Individual responses and nutritional needs vary, so the product should be considered within an overall diet and wellness plan.

Who should take PureDefense w/NAC?

PureDefense w/NAC is intended for adults age 18 and older who want a comprehensive nutrient-and-flavonoid formula for everyday immune and respiratory wellness. It may be a useful option for someone seeking EpiCor® metabolites alongside cysteine from N-Acetyl-L-Cysteine rather than choosing separate products. Adults who value measured amounts of ascorbic acid, cholecalciferol, zinc citrate, Sambucus nigra fruit extract, and quercetin may also find the ingredient profile relevant. The manufacturer does not position the product for children. People who are pregnant, lactating, managing a health condition, or using medication require individualized guidance before starting it. A healthcare professional can also assess whether the included vitamin D3 and zinc fit with other supplements, fortified foods, laboratory findings, and dietary intake, helping avoid unnecessary duplication.

Are there any side effects of taking PureDefense w/NAC?

PureDefense w/NAC may not be appropriate for every person, and tolerance can differ with medical history, medication use, and sensitivity to individual ingredients. The manufacturer gives this exact caution: If you are pregnant or lactating, have any health condition or are taking any medications, particularly immunosuppressants, consult your health professional before use. That instruction is especially important because multiple actives are present—including EpiCor®, N-Acetyl-L-Cysteine, elderberry, micronutrients, and quercetin—rather than one isolated nutrient. Anyone who develops an unexpected reaction should stop using the product and seek professional advice. The label directs users to take the capsules with meals, and the stated directions should not be exceeded without practitioner supervision. Review the full ingredient list if you have known sensitivities, even though the manufacturer identifies the product as vegetarian, gluten-free, and GMO-free.

How does PureDefense w/NAC support overall health?

PureDefense w/NAC supports overall health by supplying micronutrients, flavonoids, and fermentation metabolites involved in normal defense and antioxidant pathways. Ascorbic acid acts as an electron donor and antioxidant, while zinc contributes to enzyme activity and cellular communication. Cholecalciferol supplies vitamin D3, a nutrient associated with normal immune regulation. N-Acetyl-L-Cysteine contributes cysteine for intracellular glutathione synthesis, helping the body maintain redox balance. EpiCor® adds compounds produced during controlled Saccharomyces cerevisiae fermentation, and the botanical portion supplies Sambucus nigra fruit extract plus quercetin. This combination can complement adequate sleep, varied food intake, movement, and other habits that sustain resilience. PureDefense w/NAC does not replace those foundations, and its relevance depends on a person's diet, existing supplement regimen, and practitioner recommendations.

 

These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.