PATENTED INGREDIENT SPOTLIGHT
Root-only full-spectrum extract standardized to 5% withanolides. Backed by 48 double-blind, placebo-controlled human clinical trials. The gold standard adaptogen for stress, sleep, testosterone, cognitive performance, and athletic recovery — now available in custom formulations at Bionial Lifesciences.
UNDERSTANDING KSM-66
KSM-66 is a branded, full-spectrum ashwagandha root extract manufactured by Ixoreal Biomed Inc., a company headquartered in Hyderabad, India, with research operations in the United States. The name “KSM-66” refers to a proprietary extraction process that took 14 years of research and development to perfect — a process that uses only the roots of the Withania somnifera plant, never the leaves or stems, and employs a unique “Green Chemistry” extraction method based on the principles of pre-treatment with milk, without using alcohol or any chemical solvents. This root-only approach is significant because Ayurvedic tradition has always used ashwagandha root, and the root contains the most balanced and bioactive profile of withanolides, the key pharmacological compounds responsible for ashwagandha’s therapeutic effects.
KSM-66 is standardized to contain a minimum of 5% withanolides as measured by HPLC (High-Performance Liquid Chromatography), ensuring consistent potency across every batch. Unlike generic ashwagandha powders — which may contain anywhere from 1% to 2.5% withanolides with significant batch-to-batch variation — KSM-66 delivers a guaranteed, reproducible dose of bioactive compounds in every serving. The extract also maintains the full spectrum of naturally occurring co-factors, including withanolide glycosides, withaferin A, alkaloids, and amino acids, which work synergistically to produce the adaptogenic effects documented in clinical literature.
What sets KSM-66 apart from every other ashwagandha extract on the market is the sheer volume and quality of its clinical evidence. While most ashwagandha brands rely on one or two small studies, KSM-66 has been the subject of 48 double-blind, randomized, placebo-controlled human clinical trials conducted at leading research institutions across India, the United States, Europe, and Australia. These trials have investigated KSM-66 across a wide range of health outcomes — from stress and anxiety reduction to testosterone enhancement, muscle strength, sleep quality, cognitive function, thyroid health, and weight management — with consistently positive results published in peer-reviewed journals.
For supplement brands and contract manufacturing partners seeking to formulate premium adaptogen products, KSM-66 represents the safest, most evidence-based choice in the ashwagandha category. Its extensive patent portfolio, GRAS (Generally Recognized As Safe) self-affirmed status, organic certification (USDA and EU), kosher and halal certifications, and widespread consumer recognition make it the industry standard for serious ashwagandha formulations.
KSM-66 is backed by 48 double-blind, randomized, placebo-controlled human clinical trials — more than any other ashwagandha extract on the market. This makes it the most clinically validated adaptogen available to formulators and supplement brands worldwide.
COMPARISON
Understanding why root-only, standardized extraction matters for product efficacy, regulatory compliance, and consumer trust.
| Parameter | KSM-66 (Ixoreal) | Generic Ashwagandha |
|---|---|---|
| Plant Part Used | Root only (Ayurvedic tradition) | Root + leaf mix or leaf only |
| Withanolide Content | 5% by HPLC (standardized) | 1–2.5% (variable) |
| Extraction Method | Green Chemistry, milk pre-treatment | Alcohol or chemical solvents |
| Clinical Trials | 48 double-blind RCTs | 0–3 studies (most none) |
| GRAS Status | Self-affirmed GRAS | Typically not available |
| Organic Certification | USDA & EU Organic | Rarely available |
| Brand Recognition | Globally recognized trademark | Commodity, no brand equity |
| Batch Consistency | COA per batch, <5% variance | High batch-to-batch variation |
PUBLISHED RESEARCH
Four landmark clinical trials that established KSM-66 as the most evidence-based ashwagandha extract available to formulators worldwide.
Indian Journal of Psychological Medicine, 34(3), 255–262
A 60-day, double-blind, randomized, placebo-controlled trial involving 64 adults with a history of chronic stress. Subjects receiving 600mg/day of KSM-66 demonstrated a 27.9% reduction in serum cortisol levels compared to placebo. The treatment group also showed significant improvements across all stress-assessment scales — the PSS (Perceived Stress Scale), GHQ-28 (General Health Questionnaire), and DASS (Depression Anxiety Stress Scale). No adverse effects were reported, establishing KSM-66 as a safe, effective cortisol-modulating adaptogen for daily use.
Journal of the International Society of Sports Nutrition, 12, 43
An 8-week, double-blind, placebo-controlled trial with 57 young male subjects (18–50 years) engaged in resistance training. The KSM-66 group (600mg/day) experienced significantly greater increases in muscle strength (bench press: +44kg vs. +26.4kg; leg extension: +14.5kg vs. +9.8kg), muscle size (arm: +8.6 cm² vs. +5.3 cm²), testosterone elevation (96.2 ng/dL increase vs. 18.0 ng/dL), and greater reduction in exercise-induced muscle damage (creatine kinase levels) and body fat percentage compared to placebo.
PLOS ONE, 14(12), e0226220
A 10-week, double-blind, randomized, placebo-controlled trial with 150 healthy adults reporting non-restorative sleep. The KSM-66 group (600mg/day) showed statistically significant improvements in sleep onset latency (falling asleep faster), total sleep time, sleep efficiency (percentage of time in bed actually sleeping), and sleep quality as measured by actigraphy (wrist-worn sleep monitors) and validated questionnaires (Pittsburgh Sleep Quality Index). Both healthy subjects and those with insomnia benefited, with the insomnia subgroup showing even more pronounced improvements.
Journal of Evidence-Based Integrative Medicine, 24
An 8-week, double-blind, randomized, placebo-controlled trial with 52 women aged 21–50 experiencing symptoms of hormonal imbalance. Women receiving 600mg/day of KSM-66 showed significant improvements in the Female Sexual Function Index (FSFI), including arousal, lubrication, orgasm, and satisfaction domains. The treatment group also demonstrated measurable improvements in serum testosterone and DHEA-S levels, suggesting that KSM-66 supports the hypothalamic-pituitary-adrenal (HPA) axis in women, helping normalize hormone production affected by chronic stress. This study opened the door for KSM-66 in women’s health, PCOS support, and hormonal balance formulations.
CLINICALLY SUPPORTED BENEFITS
Every benefit listed below is substantiated by at least one published, peer-reviewed human clinical trial using KSM-66 specifically — not generic ashwagandha.
Reduces serum cortisol by up to 27.9%. Significantly lowers perceived stress, anxiety, and depression scores across validated psychological assessment scales within 60 days of supplementation.
Improves sleep onset latency, total sleep time, and sleep efficiency. Particularly effective for non-restorative sleep and insomnia. Works without sedation or morning grogginess.
Elevates serum testosterone levels by up to 17% in healthy men. Supports reproductive health, sperm quality, and overall male vitality through HPA axis modulation.
Increases muscle strength, muscle recovery speed, and VO2 max in resistance-trained adults. Reduces exercise-induced muscle damage markers (creatine kinase) by up to 35%.
Enhances memory, attention, reaction time, and information processing speed. Supports neuroprotective pathways and BDNF (brain-derived neurotrophic factor) levels in adults under cognitive stress.
Supports hormonal balance, DHEA-S levels, and sexual function in women. Emerging research supports its role in PCOS management, thyroid function, and perimenopause symptom relief.
MANUFACTURING CAPABILITY
We manufacture KSM-66 Ashwagandha across multiple dosage forms, each optimized for stability, bioavailability, and consumer preference.
Most popular format. 300mg or 600mg per capsule in HPMC (hydroxypropyl methylcellulose) shells. Suitable for vegan, vegetarian, and Ayurvedic product lines. 60 or 90 count bottles.
Compressed tablets with optional film coating for improved swallowability. Available in 300mg, 500mg, and 600mg strengths. Ideal for combination formulas with minerals and vitamins.
Single-serve sachets for mixing into water, milk, or smoothies. Popular in Ayurvedic and sports nutrition lines. Custom flavoring and sweetener options available.
READY-TO-MANUFACTURE
These are pre-designed, production-ready formulations from Bionial’s 218+ catalogue that incorporate KSM-66 Ashwagandha at clinical dosages. Each can be customized or private-labeled.
Category: Nerve & Cognitive · Tags: stress, sleep, cortisol
Category: Women’s Health · Tags: hormones, PCOS, shatavari
Category: Men’s Health · Tags: testosterone, men vitality
Category: Bone & Joint · Tags: cissus, bone strength
Category: Sports Nutrition · Tags: strength, sports recovery, creatine
Category: Sports Nutrition · Tags: elite performance, energy
Category: Ayurvedic · Tags: ashwagandha, stress, adaptogen
Category: Ayurvedic · Tags: brain rasayana, saffron, cognitive
FROM CONCEPT TO CAPSULE
Our streamlined process takes your KSM-66 Ashwagandha formulation from initial concept to finished, labeled product in as few as 30 days.
Select from our 8+ ready-to-manufacture KSM-66 formulations or share your custom concept. Our R&D team advises on optimal dosage (300mg–600mg), synergistic co-ingredients, and dosage form selection.
Our formulation scientists design the complete product specification — KSM-66 concentration, excipient selection, stability profile, BioPerine pairing for enhanced absorption, and FSSAI-compliant label content.
We produce bench-scale samples for your evaluation. You review physical characteristics, dissolution profile, and packaging compatibility. Adjustments are made until you sign off on the final specification.
Full-scale manufacturing in our WHO-GMP certified facility. Every batch undergoes in-process quality checks, finished product testing, and includes Ixoreal’s certificate of analysis for the KSM-66 raw material used.
Or call us directly: +91 99966 10619
FREQUENTLY ASKED QUESTIONS
KSM-66 is a branded, full-spectrum ashwagandha extract manufactured by Ixoreal Biomed Inc. using a proprietary root-only extraction process. Unlike generic ashwagandha powders that use leaves, stems, or a mixture of plant parts with inconsistent withanolide concentrations, KSM-66 is standardized to a minimum 5% withanolides by HPLC. It is the world’s most clinically studied ashwagandha extract, backed by 48 double-blind, randomized, placebo-controlled human clinical trials published in peer-reviewed journals.
KSM-66 Ashwagandha is supported by 48 double-blind, randomized, placebo-controlled human clinical trials — more than any other ashwagandha extract available. Key studies include Chandrasekhar 2012 (stress and cortisol reduction), Wankhede 2015 (testosterone and muscle strength), Langade 2019 (sleep quality improvement), and Lopresti 2019 (hormonal balance in women). These trials have been published in journals including the Indian Journal of Psychological Medicine, Journal of the International Society of Sports Nutrition, and PLOS ONE.
Bionial Lifesciences manufactures KSM-66 Ashwagandha in multiple dosage forms including HPMC vegetarian capsules, gelatin capsules, tablets, and powder sachets. Common clinical dosages range from 300mg to 600mg per serving. Our R&D team can design custom formulations combining KSM-66 with complementary ingredients like L-Theanine for sleep, BioPerine for enhanced absorption, or Shatavari for women’s hormonal health.
Yes. Ixoreal Biomed actively encourages the use of the KSM-66 trademark and logo on finished product packaging when the formulation meets their minimum inclusion criteria. Bionial Lifesciences assists with obtaining logo usage authorization from Ixoreal. The KSM-66 brand is widely recognized by consumers — “KSM-66 ashwagandha supplement” is one of the highest-volume branded ingredient searches on Google and Amazon, making the logo a powerful trust signal on your label.
Bionial Lifesciences offers KSM-66 Ashwagandha formulations with a minimum order quantity starting from 1,000 units per SKU. This makes us an ideal partner for D2C supplement brands, Ayurvedic companies, and startups looking to launch premium ashwagandha products without excessive inventory commitments. Our standard timeline from purchase order to dispatch is 30 days, including formulation finalization, bench sampling, production, and QC release.
Partner with Bionial Lifesciences to manufacture premium KSM-66 supplements. WHO-GMP certified. 1,000 MOQ. 30-day turnaround. 8+ ready formulations.