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GS15-4 Ginseng Extract Powder

Standardized Panax ginseng extract with concentrated ginsenosides for energy, cognitive function, immune support, and stress adaptation.

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GS15-4 Ginseng Extract Powder

Standardized Panax ginseng extract with concentrated ginsenosides for energy, cognitive function, immune support, and stress adaptation.

(23 Reviews) Write a Review

View All Reviews

Available in multiple forms! Click Here for:
  • GS15-4 Panax Ginseng Extract Standard
  • Rich In Bioactive Ginsenosides
  • Clinically Studied Adaptogenic Support
  • Premium Concentrated Extract Powder

3rd Party Lab Tested & Verified

See Why ND GS15-4 Is The Best

Updated On: 05/05/2026

$29.99 - $49.99

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Benefits

When You'll Notice Effects

1-2 Weeks (With Immediate Effects)

  • Adaptogen Adaptogen
  • Cognition Cognition
  • Physical Energy Physical Energy
  • Stress Stress

Why ND Gs15-4 Ginseng?

The ONLY Panax Ginseng standardized to 15% ginsenosides
test

How To Take

Dose
Dose

200mg (Per Serving)

Timing
Timing

Morning

How to Take
How to Take

With Or Without Food

Frequency
Frequency

1-3 Times Daily

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  • About GS15-4 Ginseng Extract Powder

    GS15-4 Panax Ginseng Extract is a patented, enzyme-fermented extract that delivers the active ginsenosides in their most bioavailable form. Advanced processing technology produces end-stage metabolites that provide 15 times increased absorption compared to conventional ginseng extracts. GS15-4 supports energy levels, cognitive function, and helps your body adapt to physical and mental stress.

    Our GS15-4 Story

    Traditional ginseng extracts face a fundamental bioavailability problem. The beneficial ginsenosides aren't fully absorbed until they reach the lower intestine, where gut bacteria slowly convert them into their active metabolites. Most people only absorb a fraction of the ginseng they consume, leading to inconsistent results and requiring higher doses to feel any effects.

    We chose GS15-4 because it solves the absorption issue through proprietary enzyme fermentation technology. Instead of relying on your gut bacteria to convert ginsenosides, GS15-4 delivers them pre-converted in their final metabolite form. This breakthrough earned recognition as "Best Botanical" at Expo West 2012 and provides 4 times faster, 4 times more consistent absorption. Combined with low-heat extraction that preserves vital compounds typically lost in traditional steaming processes, GS15-4 represents the most effective adaptogen form of ginseng available.

    Benefits

    • Supports Homeostatic Balance & Adaptation: GS15-4 functions as an adaptogen, helping your body recalibrate and normalize systems that aren't operating optimally while supporting a healthy response to physical and emotional stress.
    • Supports Memory & Mental Performance: The Rg1 ginsenosides enhance neuronal maintenance processes and cognitive functions, improving both spatial and working memory while supporting sustained performance during mentally demanding tasks.
    • Supports Energy Levels & Reduces Fatigue: This ginseng extract promotes stamina and helps regulate Metabolism, reducing recovery time and muscle fatigue for improved physical performance and less exhaustion.
    • Supports Healthy Stress Response: GS15-4 provides a calming effect on both body and mind while supporting better sleep quality and helping to limit the physical damage caused by chronic stress.

    GS15-4 also supports immune system function by helping to increase immune cell numbers and promote healthy oxidation levels. The extract shows promise for supporting blood glucose regulation and overall metabolic function, making it a comprehensive adaptogen for whole-body wellness and Longevity support.

    Quality and Standardization

    • Patented GS15-4 Technology: Our GS15-4 extract uses proprietary enzyme fermentation to convert ginsenosides into their end-stage metabolite forms, delivering clinically proven 15x increased absorption, 4x faster uptake, and 4x more consistent bioavailability compared to conventional ginseng extracts.
    • Premium Harvest Standards: We source 4-5 year old Panax ginseng roots harvested at optimal maturity, using low-heat vacuum extraction of whole unpeeled roots to preserve the complete vitamin, amino acid, and organic germanium profile lost in traditional high-heat processing.
    • Complete Ginsenoside Profile: Each batch contains the full spectrum of triterpenoid saponins including the critical Rg1 ginsenosides, standardized through advanced HPLC analysis to ensure consistent potency and therapeutic activity.
    • Third-Party Testing: Every lot undergoes comprehensive testing for heavy metals, microbials, and active compound verification through our network of third-party labs to guarantee purity and potency standards.

    Mechanism of Action

    • Ginsenoside Bioconversion: GS15-4's proprietary enzyme fermentation process converts complex ginsenosides into their metabolically active end-stage forms before consumption, mimicking the natural bacterial fermentation that typically occurs in the lower intestine to create highly bioavailable compounds.
    • HPA Axis Modulation: The active ginsenosides in GS15-4 help regulate the hypothalamic-pituitary-adrenal axis, supporting balanced cortisol production and enhancing your body's natural ability to maintain homeostasis during physical and mental challenges.
    • Cellular Energy Enhancement: Ginsenosides support mitochondrial function and ATP synthesis while helping optimize glucose utilization at the cellular level, promoting sustained energy production without the peaks and crashes associated with stimulants.
    • Neurotransmitter Balance: The Rg1 ginsenoside group specifically supports healthy acetylcholine and dopamine signaling pathways, contributing to enhanced cognition and mental clarity while promoting optimal neural communication.
    • Antioxidant Defense System: GS15-4 supports endogenous antioxidant enzyme production including superoxide dismutase and catalase, helping neutralize free radicals and protect cellular health from oxidative damage.

    Overview of the Science

    GS15-4 panax ginseng demonstrates significant adaptogenic properties through multiple clinical studies. Research suggests this extract helps modulate cortisol levels and supports the hypothalamic-pituitary-adrenal axis, enabling more effective stress response management [1][2]. Studies indicate that panax ginseng's ginsenoside compounds work synergistically to enhance cognitive performance during demanding tasks, with particular improvements observed in spatial memory, working memory, and sustained attention spans [3][4]. The metabolically active form delivered by GS15-4's fermentation process appears to cross the blood-brain barrier more efficiently than conventional extracts, potentially explaining the enhanced cognitive benefits observed in clinical trials.

    Clinical research has documented panax ginseng's role in supporting healthy glucose metabolism and insulin sensitivity. Multiple controlled studies demonstrate that regular supplementation helps maintain blood sugar levels already within the normal range, with one notable trial showing improved glucose regulation in healthy adults [5][6]. The extract's immunomodulating properties have been extensively studied, with research indicating enhanced immune cell activity and improved immune system responsiveness [7][8][9]. These immune benefits appear to result from ginsenosides' ability to modulate cytokine production and support balanced inflammatory responses throughout the body [10][11].

    [1] Tardy AL et al. Nutrients. 2020;12:228.

    [2] Park HJ et al. Pharm Biol. 2023;61:19-26.

    [3] Geng J et al. Cochrane Database Syst Rev. 2010;(12):CD007769.

    [4] Park HJ et al. Transl Clin Pharmacol. 2019;27:92-97.

    [5] Shishtar E et al. PLoS One. 2014;9:e107391.

    [6] Vuksan V et al. Nutr Metab Cardiovasc Dis. 2008;18:46-56.

    [7] Kang S et al. J Ginseng Res. 2012;36:354-368.

    [8] Kim JY et al. Immunopharmacol Immunotoxicol. 1990;12:257-276.

    [9] Scaglione F et al. Drugs Exp Clin Res. 1990;16:537-542.

    [10] Lee YC et al. Mediators Inflamm. 2020;2020:3873645.

    [11] Jasemi SV et al. Food Funct. 2021;12:4371-4380.

    Ingredients

    GS15-4 Panax Ginseng Extract:

    • Panax ginseng (Panax ginseng) root extract
    • Standardized to contain enzyme-fermented ginsenosides
    • 200mg per serving

    GS15-4 represents a fundamental advancement in ginseng extraction technology. Unlike traditional ginseng supplements that rely on basic root powders or conventional extracts, this patented formula uses controlled enzyme fermentation to pre-convert ginsenosides into their final metabolic forms. This process eliminates the variability of individual gut bacteria conversion, ensuring consistent delivery of active compounds regardless of digestive differences. The result is a ginseng extract that delivers the benefits your body would naturally create from traditional ginseng, but with guaranteed potency and reliability that supports sustained vitality supplements goals.

  • Lab Testing Results / Certificate of Analysis (COA)

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GS15-4 Ginseng Extract Powder

GS15-4 Ginseng Extract Powder

$29.99 - $49.99