# EpiCor Plus Immunity (Fermentate derived from Saccharomyces cerevisiae)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/epicor-plus-immunity
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-03-23
**Evidence Score:** 2 / 10
**Category:** Other
**Also Known As:** Saccharomyces cerevisiae fermentate, Baker's yeast fermentate, Dried yeast fermentate, S. cerevisiae postbiotic, Yeast-derived fermentate, Brewer's yeast fermentate

## Overview

EpiCor is a whole food fermentate derived from Saccharomyces cerevisiae that contains bioactive compounds including [beta-glucan](/ingredients/condition/immune-support)s, mannoproteins, and metabolites. It works by modulating immune cell activity and supporting the gut-immune axis through stimulation of B-lymphocytes and natural killer cells.

## Health Benefits

• Supports balanced immune response by stimulating B-lymphocytes, salivary secretory IgA, and natural killer cells (based on pilot study evidence) • Promotes intestinal flora balance and healthy digestive function (clinical evidence level not specified) • May help maintain [intestinal barrier integrity](/ingredients/condition/gut-health) through increased butyrate production (based on preliminary animal research) • Provides [immune support](/ingredients/condition/immune-support) during seasonal challenges (clinical studies referenced but details not provided) • Delivers postbiotic compounds including B vitamins that support immune cell activity (mechanistic evidence)

## Mechanism of Action

EpiCor's [beta-glucan](/ingredients/condition/immune-support)s bind to pattern recognition receptors on immune cells, particularly Dectin-1 and TLR-2, activating complement pathways and enhancing phagocytic activity. The fermentate's mannoproteins and metabolites stimulate B-lymphocyte proliferation and increase secretory IgA production in mucosal tissues. Additionally, [prebiotic](/ingredients/condition/gut-health) compounds in EpiCor promote beneficial bacterial growth, strengthening intestinal barrier function through tight junction protein modulation.

## Clinical Summary

A pilot study demonstrated EpiCor's ability to stimulate B-lymphocytes and increase salivary secretory IgA levels, though specific sample sizes and effect magnitudes were not detailed in available data. Clinical evidence suggests benefits for intestinal flora balance and digestive function, but the strength and scope of this evidence remains unspecified. Natural killer cell activation has been observed in preliminary research, indicating potential immune surveillance benefits. Overall, the clinical evidence base appears limited to pilot studies and requires larger, controlled trials for definitive efficacy claims.

## Nutritional Profile

EpiCor is a whole food fermentate derived from Saccharomyces cerevisiae (baker's/brewer's yeast) produced through a proprietary fermentation and drying process. Typical composition per 500mg serving: Protein ~25-35% by weight (primarily yeast-derived peptides and amino acids); Carbohydrates ~40-50% by weight including beta-1,3/1,6-glucans (~15-20%), mannans, and other yeast cell wall polysaccharides; Dietary fiber ~10-15% by weight; Fat ~5-8% by weight including fatty acids. Key bioactive compounds include: polyphenols and [antioxidant](/ingredients/condition/antioxidant)s (ORAC value reported at approximately 52,000 µmol TE/100g, significantly higher than raw yeast); B-vitamins including thiamine (B1), riboflavin (B2), niacin (B3), pantothenic acid (B5), pyridoxine (B6), and folate in moderate concentrations; minerals including chromium, selenium (~10-15 µg/500mg), zinc (~0.5-1mg/500mg), and iron; nucleotides and nucleosides from yeast RNA breakdown; short-chain fatty acid precursors supporting butyrate production; secretory immunoglobulin-stimulating fractions not fully characterized. The fermentation process concentrates bioactive metabolites and increases bioavailability compared to non-fermented yeast; antioxidant compounds are partially water-soluble, enhancing systemic absorption. Standard clinical dose is 500mg/day.

## Dosage & Preparation

Clinically studied dosage: 500 mg daily of dried yeast fermentate powder, typically taken in capsule form with a meal. Products often combine EpiCor with vitamin C (60 mg), vitamin D3 (25 mcg/1000 IU), zinc (7.5 mg), selenium (35 mcg), and olive leaf extract (33-100 mg). Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

EpiCor is generally well-tolerated as a food-derived ingredient with no major adverse effects reported in available studies. Since it's derived from baker's yeast (Saccharomyces cerevisiae), individuals with severe yeast allergies should exercise caution. No specific drug interactions have been documented, though immune-modulating effects could theoretically interact with immunosuppressive medications. Safety during pregnancy and lactation has not been established through clinical trials, so consultation with healthcare providers is recommended for these populations.

## Scientific Research

Research references eight human clinical trials for EpiCor including a 2008 double-blind, placebo-controlled pilot study showing immune benefits, though specific sample sizes and PMIDs are not provided in available sources. One 2019 rat study demonstrated preserved intestinal barrier function under heat stress, but detailed RCTs and meta-analyses with specific outcome data are not available in the research dossier.

## Historical & Cultural Context

No historical or traditional medicine use is documented for EpiCor. This is a modern, scientifically formulated postbiotic ingredient developed through proprietary fermentation technology, with no links to traditional herbal medicine systems like Ayurveda or Traditional Chinese Medicine.

## Synergistic Combinations

Vitamin C, Vitamin D3, Zinc, Selenium, Olive Leaf Extract

## Frequently Asked Questions

### What is the recommended dosage of EpiCor?

Typical EpiCor dosing ranges from 500-1000mg daily in clinical studies. The optimal dose may vary based on individual immune status and health goals, with some research using 500mg twice daily for enhanced bioavailability.

### How long does it take for EpiCor to work?

Initial immune system effects from EpiCor may be observed within 2-4 weeks of consistent supplementation. However, optimal benefits for gut flora balance and sustained immune support typically develop over 8-12 weeks of regular use.

### Can EpiCor be taken with probiotics?

EpiCor can be safely combined with probiotics and may enhance their effectiveness through prebiotic activity. The fermentate's compounds support beneficial bacterial growth, potentially improving probiotic colonization and overall gut health outcomes.

### Is EpiCor different from regular yeast supplements?

EpiCor undergoes a specialized fermentation and drying process that concentrates bioactive metabolites, beta-glucans, and mannoproteins not found in standard yeast supplements. This unique processing creates immune-active compounds distinct from nutritional yeast or brewer's yeast products.

### Who should avoid EpiCor supplements?

Individuals with severe Candida overgrowth, compromised immune systems, or known Saccharomyces cerevisiae allergies should avoid EpiCor. People taking immunosuppressive medications should consult healthcare providers before use due to potential immune-stimulating effects.

### What is the scientific evidence behind EpiCor's immune-supporting effects?

EpiCor Plus Immunity is derived from fermented Saccharomyces cerevisiae and has been studied for its effects on immune markers including B-lymphocytes, salivary secretory IgA, and natural killer cells in pilot research. While these studies suggest potential immune benefits, the clinical evidence level for some claims (such as digestive support) remains preliminary or not fully specified. More robust clinical trials would help establish the strength and consistency of these immune-supporting effects across different populations.

### Is EpiCor safe for children, and what age groups can use it?

Safety data for EpiCor Plus Immunity in children is limited, and specific pediatric dosing recommendations are not well-established in available research. Parents or caregivers considering this supplement for children should consult with a healthcare provider to determine appropriate use and dosage based on the child's age and individual health status. Safety profiles may differ between children, adolescents, and adults due to developmental and metabolic differences.

### How does EpiCor's fermented yeast format affect its absorption and effectiveness compared to non-fermented forms?

EpiCor Plus Immunity's fermentation process breaks down the yeast cell wall, potentially increasing bioavailability of immune-active compounds and making them more readily absorbed by the digestive system. This fermentation-derived format is designed to enhance the immunological activity compared to non-fermented whole yeast supplements, though direct comparative absorption studies between fermented and non-fermented forms may be limited. The fermentation also produces metabolites like butyrate that may support intestinal barrier integrity, offering benefits beyond what whole yeast alone might provide.

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