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Functional Yeast Extract Capsules

Standardized to 50% beta glucans for immune system support, cognitive function, and healthy stress response.

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Functional Yeast Extract Capsules

Standardized to 50% beta glucans for immune system support, cognitive function, and healthy stress response.

(2 Reviews) Write a Review

View All Reviews

Available in multiple forms! Click Here for:
  • Standardized to 50% Beta Glucans
  • High Potency 500mg Per Capsule
  • Supports Immune and Cognitive Function
  • Third-Party Lab Tested for Purity

3rd Party Lab Tested & Verified

See Why ND Yeast Extract Is The Best

Updated On: 05/23/2026

$16.99

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Benefits

When You'll Notice Effects

3-4 Weeks

  • Immune
  • Metabolism
  • Gut Health
  • Physical Energy

Why ND Functional Yeast Extract?

50% Beta Glucans standardization for immune support
test

How To Take

Dose
Dose

500mg (One Capsule)

Timing
Timing

Flexible

How to Take
How to Take

With Or Without Food

Frequency
Frequency

1 Time Daily

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  • About Functional Yeast Extract Capsules

    Functional Yeast Extract Capsules deliver a standardized 50% beta-glucan concentration from Saccharomyces cerevisiae, the same species used in baking and brewing for thousands of years. This yeast extract supports immune function while providing natural B vitamins and bioactive compounds that promote cognitive health and help maintain balanced stress levels.

    Our Functional Yeast Extract Story

    Most yeast extract supplements on the market lack proper standardization, making it impossible for consumers to know how much active beta-glucans they're actually getting. Many products contain unknown quantities of these crucial polysaccharides, leaving users with inconsistent results and uncertain dosing. The supplement industry needed a solution that delivered reliable, measurable benefits.

    We created a functional yeast extract standardized to exactly 50% beta-glucans, ensuring optimal bioactivity in every capsule. We source high-quality Saccharomyces cerevisiae and extract the cell contents while removing cell walls to concentrate the beneficial compounds. This process preserves the natural B vitamin profile while maximizing the beta-glucan content that drives the cognition and immune-supporting effects.

    Precision standardization combined with third-party testing for purity and potency sets our Functional Yeast Extract apart. Each 500mg capsule delivers a consistent dose of bioactive compounds, and our testing confirms the product is gluten-free at less than 20ppm. This reliability allows you to experience the full spectrum of benefits that beta-glucans provide for immune function, stress response, and cognitive function.

    Benefits

    • Supports Healthy Immune Function: Beta-glucans support macrophage activity, the large white blood cells that help maintain healthy immune surveillance throughout the body.
    • Supports Healthy Metabolic Function: B vitamins naturally present in yeast extract help metabolize carbohydrates, proteins, and fats into usable energy while supporting the health of skin, hair, and nails.
    • Supports Healthy Gut Microbiota: Polysaccharide compounds in yeast extract provide prebiotic-like benefits that help maintain a balanced intestinal environment for optimal Gut Health.
    • Supports Cellular Energy Production: B vitamins B1-3, B6, and B12 work together at the cellular level to optimize energy production pathways and support healthy Metabolism.

    Research suggests that beta-glucans help support a healthy response to exercise-induced stress and promote recovery from physical stressors. Studies show that these bioactive compounds help maintain healthy stress levels while promoting overall organ and brain function through their immune-supporting properties.

    Quality and Standardization

    • 50% Beta-Glucan Standardization: Our yeast extract is precisely standardized to deliver 50% beta-glucans by weight, ensuring consistent potency and bioactive compound concentration in every capsule.
    • Gluten-Free Verification: Third-party testing confirms our yeast extract contains no detectable gluten at the 20ppm threshold, making it safe for individuals with gluten sensitivities.
    • Saccharomyces cerevisiae Source: We utilize the well-researched baker's and brewer's yeast strain, processed through cell wall extraction to concentrate beneficial intracellular compounds while removing inactive structural components.
    • Comprehensive Testing Protocol: Each batch undergoes rigorous testing by our third-party labs for product purity and identity verification, with results documented in our Certificate of Analysis program.

    Mechanism of Action

    • Beta-Glucan Receptor Activation: Beta-glucans bind to specific immune cell receptors like dectin-1 and complement receptor 3, supporting downstream signaling cascades that help maintain healthy macrophage and dendritic cell function for immune surveillance.
    • Macrophage Support: The polysaccharide structure of beta-glucans supports healthy macrophage mobility and function, helping maintain the body's natural cellular maintenance processes.
    • B-Vitamin Cofactor Support: Natural B vitamins in yeast extract function as essential cofactors in enzymatic reactions throughout cellular metabolism, particularly supporting the conversion of nutrients into ATP within mitochondria.
    • Stress Response Support: Beta-glucans help support healthy cortisol pathways and healthy stress hormone balance, supporting a healthy response to exercise-induced oxidative stress and promoting recovery processes.

    Overview of the Science

    Research demonstrates that beta-glucans from yeast extract activate multiple immune pathways beyond basic macrophage stimulation [1]. Studies show that yeast-derived beta-glucans modulate both innate and adaptive immune responses, helping maintain the body's natural defense mechanisms against environmental stressors [2]. The polysaccharide structure of beta-glucans allows them to interact with immune cells through pattern recognition receptors, supporting healthy immune surveillance and response coordination throughout the body.

    Research reveals that B vitamin supplementation supports cognitive function and stress management in healthy populations [3]. Clinical trials examining B vitamin status and cognitive performance show that adequate B vitamin levels support memory processing and mental clarity in both younger and older adults [4,5]. The naturally occurring B vitamin complex in yeast extract provides bioavailable forms of these essential nutrients, supporting healthy neurotransmitter synthesis and cellular energy metabolism that underlies optimal cognitive function.

    [1] Stier H, Ebbeskotte V, Gruenwald J. Immune-modulatory effects of dietary Yeast Beta-1,3/1,6-D-glucan. Nutrition Journal. 2014;13:38.

    [2] Auinger A, Riede L, Bothe G, Busch R, Gruenwald J. Yeast (1,3)-(1,6)-beta-glucan helps to maintain the body's defence against pathogens: a double-blind, randomized, placebo-controlled, multicentric study in healthy subjects. European Journal of Nutrition. 2013;52:1913-1918.

    [3] Long SJ, Benton D. A Systematic Review and Meta-Analysis of B Vitamin Supplementation on [...] Symptoms, [...], and Stress: Effects on Healthy and 'At-Risk' Individuals. Nutrients. 2019;11:2232.

    [4] de Jager CA, Oulhaj A, Jacoby R, Refsum H, Smith AD. Cognitive and clinical outcomes of homocysteine-lowering B-vitamin treatment in mild cognitive impairment: a randomized controlled trial. International Journal of Geriatric Psychiatry. 2012;27:592-600.

    [5] Ford AH, Almeida OP. Effect of Vitamin B Supplementation on Cognitive Function in the Elderly: A Systematic Review and Meta-Analysis. Drugs & Aging. 2019;36:419-434.

    Ingredients

    Functional Yeast Extract:

    • Saccharomyces cerevisiae extract
    • Standardized to 50% beta-glucans
    • 500mg per capsule

    This 50% beta-glucan standardization represents the highest concentration available in a yeast extract supplement, ensuring optimal bioactivity with every dose. Unlike generic yeast extracts that may contain variable amounts of active compounds, this precise standardization guarantees consistent delivery of the polysaccharides responsible for cellular health benefits. The extraction process removes cell walls while preserving the valuable intracellular components, including naturally occurring B vitamins that support nutritional supplements for daily wellness maintenance.

    LACTOSE FREE
    GLUTEN FREE
    NON-GMO
    VEGAN
  • Lab Testing Results / Certificate of Analysis (COA)

  • Frequently asked questions

    1. How much beta-glucan is in each capsule?

      Each capsule is standardized to 50% beta-glucans from Saccharomyces cerevisiae. Check the supplement facts panel on the product page for the exact per-capsule milligram amount.

    2. How long until Functional Yeast Extract starts working?

      Some benefits of Functional Yeast Extract may be noticeable sooner, but full effects generally develop over 3 to 4 weeks of consistent daily use.

    3. Is Nootropics Depot's Functional Yeast Extract gluten-free?

      Our Functional Yeast Extract is derived from *Saccharomyces cerevisiae*, a yeast species that is naturally gluten-free. We recommend checking the product label or contacting us directly to confirm suitability if you have celiac disease or severe gluten sensitivity.

    4. How does Functional Yeast Extract support immune health?

      Functional Yeast Extract is standardized to 50% beta-glucans, which activate macrophages and support both innate and adaptive immune responses through pattern recognition receptors. This helps maintain healthy immune surveillance throughout the body.

    5. How does beta-glucan activate immune cells?

      Beta-glucans bind to pattern recognition receptors on immune cells like macrophages, triggering activation of both innate and adaptive immune pathways. This receptor interaction supports healthy immune surveillance and helps coordinate the body's natural defense response.

    6. Is Functional Yeast Extract safe for people with yeast sensitivities?

      Those with yeast sensitivities should consult their healthcare provider before use, as Functional Yeast Extract is derived from Saccharomyces cerevisiae. Individual responses can vary, especially for those with known sensitivities.

    7. How does Nootropics Depot's Functional Yeast Extract differ from EpiCor?

      We don't have verified specifications on EpiCor to make a direct comparison. Check nootropicsdepot.com for full product details, or contact our support team for guidance.

    8. What is Saccharomyces cerevisiae?

      Saccharomyces cerevisiae is a yeast species used in baking and brewing for thousands of years. Our Functional Yeast Extract is standardized from this same species, delivering a concentrated 50% beta-glucan content to support immune function and overall health.

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Functional Yeast Extract Capsules

Functional Yeast Extract Capsules

$16.99