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KSM-66 Capsules | Ashwagandha Root

KSM-66 full-spectrum ashwagandha root extract standardized for stress resilience, cognitive clarity, mood balance, and muscle strength support.

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KSM-66 Capsules | Ashwagandha Root

KSM-66 full-spectrum ashwagandha root extract standardized for stress resilience, cognitive clarity, mood balance, and muscle strength support.

(77 Reviews) Write a Review

View All Reviews

Available in multiple forms! Click Here for:
  • Clinically Validated KSM-66 Extract
  • Full-Spectrum Root Preservation
  • Supports Stress & Muscle Strength
  • Third-Party Lab Tested Purity

3rd Party Lab Tested & Verified

See Why ND KSM-66 Is The Best

Updated On: 05/05/2026

$19.99

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Benefits

When You'll Notice Effects

1-2 Weeks (With Immediate Effects)

KSM-66 Ashwagandha Root: A potent adaptogen promoting relaxation, stress management, mood enhancement, cognitive function, and muscle strength. This versatile supplement offers comprehensive benefits for overall well-being and physical performance.

  • Stress Stress
  • Inflammation Inflammation
  • Cognition Cognition
  • Muscle Mass Muscle Mass

WHY ND KSM-66?

The ONLY full-spectrum ashwagandha with complete bioactive preservation
test

How To Take

Dose
Dose

300mg (One Capsule)

Timing
Timing

Flexible

How to Take
How to Take

With Or Without Food

Frequency
Frequency

1-2 Times Daily

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  • About KSM-66 Ashwagandha Capsules

    KSM-66 Ashwagandha full-spectrum extract branding over ashwagandha plant leaves.

    KSM-66 Ashwagandha Root Extract is a full-spectrum adaptogen sourced from Withania somnifera that helps your body adapt to everyday stressors. Standardized to 5% withanolides, this extract preserves the natural balance of active compounds found in the root, supporting stress resilience, mental clarity, and physical performance. You'll experience steady, non-jittery energy while feeling more centered and calm throughout your day.

    Our KSM-66 Story

    We noticed a gap in the ashwagandha market where many extracts focused on high withanolide percentages at the expense of the root's natural compound balance. Traditional ashwagandha root contains approximately 0.3-3% withanolides naturally, along with alkaloids, saponins, and other bioactive compounds that work together. Most commercial extracts either stripped away these supporting compounds or pushed withanolide levels to unnatural highs that didn't reflect how the plant actually works.

    KSM-66 solves this through a 14-year research process using "Green Chemistry" extraction methods that avoid harsh solvents. This full-spectrum approach preserves the root's complete profile while standardizing to 5% withanolides, replicating the natural balance that delivers the adaptogenic benefits validated in over 20 clinical studies. The result is an ashwagandha extract that works the way nature intended, supporting both immediate stress relief and long-term resilience.

    Benefits

    • Supports Healthy Stress Levels: This adaptogen helps your body adapt to everyday stressors, promoting a sense of relaxation and resilience even during busy or demanding times.
    • Reduces Inflammation: Research points to ashwagandha's ability to support a healthy inflammatory response, helping your body's natural defenses and promoting overall vitality.
    • Supports Cognitive Health: Helps you stay focused and clear-headed throughout the day, with many users feeling more mentally balanced and less frazzled when life gets hectic.
    • Supports Muscle Health: Contributes to muscle strength, endurance, and faster recovery, making it popular among fitness enthusiasts and weekend warriors.

    KSM-66 promotes an improved sense of well-being with a calmer mood and more balanced energy throughout the day. Many users report feeling more centered and calm, with some finding it helps them wind down after long days while others appreciate the steady, non-jittery energy it provides.

    KSM-66 Ashwagandha study results chart showing 27.9% cortisol reduction, highlighting relaxation benefits over placebo.

    Quality and Standardization

    • 5% Withanolide Standardization: Every batch is standardized to contain exactly 5% withanolides, replicating the natural balance of actives found in ashwagandha root to deliver consistent adaptogenic benefits validated in clinical research.
    • Green Chemistry Extraction: Our 14-year developed extraction process uses environmentally-friendly methods that avoid harsh solvents while preserving the full spectrum of active compounds, including withanolides, alkaloids, and saponins.
    • 40+ Quality Certifications: KSM-66 holds more than 40 quality certifications including Non-GMO Project Verified, USDA Organic, Gluten-Free, and GMP-certified manufacturing standards.
    • Sustainable Sourcing & Testing: The roots are grown on dedicated farms in India using sustainable practices, with every batch undergoing rigorous testing for purity and potency backed by Certificates of Analysis for complete transparency.

    Woman practicing yoga on a rock by the ocean with text promoting KSM-66 Ashwagandha for clear focus and calm mind.

    Mechanism of Action

    • Adaptogenic Compound Activity: KSM-66 works through its unique blend of bioactive compounds, with withanolides as the primary active constituents, supported by alkaloids and saponins that work together to help the body adapt to stress and maintain homeostasis.
    • Cortisol Balance: The extract helps modulate the body's natural cortisol response, supporting healthy levels of this primary stress hormone to promote a sense of calm and resilience during challenging situations.
    • Neurotransmitter System Support: KSM-66 interacts with key neurotransmitter pathways, including GABA and serotonin systems, which influence mood regulation and cognitive function, contributing to its calming and focus-enhancing effects.
    • Muscle Health Pathways: The extract supports muscle strength, recovery, and endurance by influencing specific physiological pathways involved in muscle protein synthesis and physical performance optimization.
    • Cellular Protection Mechanisms: Through its antioxidant and anti-inflammatory actions, KSM-66 helps protect cells from oxidative stress while supporting the body's healthy inflammatory response systems.

    Nootropics Depot KSM-66 Ashwagandha 300mg capsules and bottles with benefits for stress relief, muscle recovery, and mental clarity.

    Overview of the Science

    The science behind KSM-66 Ashwagandha is both broad and promising. Multiple clinical studies have shown that regular supplementation can help reduce perceived stress, lower cortisol levels, and promote a more balanced mood [1]. Research also suggests benefits for cognitive health, with improvements in memory, attention, and executive function, especially in people experiencing stress or mild cognitive decline [2]. When it comes to inflammation, ashwagandha supports a healthy inflammatory response by helping maintain the body's natural balance of pro-inflammatory cytokines and enhancing antioxidant defenses [3].

    For those interested in fitness, studies have found that KSM-66 can improve muscle strength, size, and recovery, especially when paired with resistance training [4][5]. While more research is always helpful, the current evidence paints a compelling picture of KSM-66 Ashwagandha as a supplement that supports overall wellness, helping you feel your best both mentally and physically.

    [1] Chandrasekhar K, Kapoor J, Anishetty S. A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum extract of ashwagandha root in reducing stress and anxiety in adults. Indian J Psychol Med. 2012;34(3):255-62.

    [2] Choudhary D, Bhattacharyya S, Bose S. Efficacy and Safety of Ashwagandha Root Extract on Cognitive Functions in Healthy, Stressed Adults: A Randomized, Double-Blind, Placebo-Controlled Study. Evid Based Complement Alternat Med. 2021;2021:8254344.

    [3] Choudhary D, Bhattacharyya S, Joshi K. Body Weight Management in Adults Under Chronic Stress Through Treatment With Ashwagandha Root Extract: A Double-Blind, Randomized, Placebo-Controlled Trial. J Evid Based Complementary Altern Med. 2017;22(1):96-106.

    [4] Wankhede S, Langade D, Joshi K, Sinha SR, Bhattacharyya S. Examining the effect of Withania somnifera supplementation on muscle strength and recovery: a randomized controlled trial. J Int Soc Sports Nutr. 2015;12:43.

    [5] Verma N, Gupta SK, Patil S, Tiwari S, Mishra AK. Effects of Ashwagandha (Withania somnifera) standardized root extract on physical endurance and VO2max in healthy adults performing resistance training. F1000Res. 2023;12:335.

    Ingredients

    KSM-66 Ashwagandha Extract:

    • Withania somnifera root extract
    • Standardized to 5% withanolides
    • 300mg per capsule

    The 5% withanolide standardization is critical because it mirrors the natural ratio of bioactive compounds found in whole ashwagandha root. This full-spectrum approach preserves the complete profile of withanolides, alkaloids, and saponins that work synergistically to deliver ashwagandha's adaptogenic benefits. KSM-66's proprietary extraction process avoids harsh solvents while maintaining this precise standardization, ensuring consistent potency across every batch and delivering the same compound ratios used in clinical research studies.

    Stacked river stones in a forest stream with overlay text highlighting Nootropics Depot’s quality, manufacturing, and sustainability standards.

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KSM-66 Capsules | Ashwagandha Root

KSM-66 Capsules | Ashwagandha Root

$19.99