Stress resilience with the most clinically studied ashwagandha extract.
KSM-66 is the gold standard: full-spectrum root extract (never leaves), standardised to 5%+ withanolides, evaluated in 22+ human clinical trials. Two capsules deliver 1000mg daily. The unique alcohol-free extraction process preserves bioactive compounds without synthetic solvents.
Why This Formula
✔ KSM-66 exclusively—root-only extraction, not leaf (where clinical evidence concentrates)
✔ 5%+ withanolide concentration—highest available in any branded root extract
✔ 22+ peer-reviewed human studies backing efficacy and safety
✔ Green chemistry extraction—no alcohol, no synthetic solvents
✔ High-grade young root stock from optimal geographic regionsWho It's For
Those seeking evidence-backed stress support and natural cortisol balance. Ideal for anyone wanting genuine adaptogenic effect without exaggerated claims or inferior leaf extracts.
The xSpan Labs Standard
Small-batch manufactured in the UK to GMP and ISO 9001 standards. No unnecessary fillers, no artificial colours, no inflated marketing—just premium-grade ingredients in their most effective forms. Every batch is tested for purity and potency.
Ashwagandha KSM-66, 500mg per capsule – 90 capsules
Directions
Adults take 2 capsules with food and water. Do not exceed recommended daily dose.
Ingredients
Two capsules typically provide 1,000mg Organic Ashwagandha Root (as KSM-66) (milk), Rice Bran, Capsule Shell: Hydroxypropyl Methylcellulose.
Cautions
Always consult your health practitioner before taking nutritional supplements, especially if you are taking medication or are under medical supervision. Not recommended for pregnant or lactating women. You should not take supplements as a substitute for a varied balanced diet or healthy lifestyle. Store in a cool, dry & dark place, under 25 degrees, out of reach of children. Allergy Advice: although rigorous precautions are taken to prevent any cross-contamination, this product is manufactured in a facility that handles allergy-based materials.
Suitable for Vegetarians
xSpan Labs Organic Ashwagandha KSM-66, 1,000mg Daily Dose – 45 Day supply – suitable for men and women - Exclusively manufactured in the UK:
- the highest concentration, highly bioavailable, full spectrum root extract
- created via a process that took 14 years of R&D to develop and refine. KSM-66 is produced using a first-of-its-kind, unique extraction process, based on “Green Chemistry” principles, without using alcohol or any synthetic solvents
- KSM-66 Strictly Avoids the Use of Leaves. The predominant majority of published clinical trials today are on the root and not the leaf
- KSM-66 has been evaluated in 22 “Gold Standard” human clinical trials
- KSM-66 use only high grade young ashwagandha roots from the best geographic location. The lower grade and older root stock is virtually useless and therapeutically poor
- KSM-66 has the highest percentage of withanolides of all branded root-only extracts available today. It has more than 5% concentration of withanolides as measured by HPLC
xSpan Labs Guarantees our High-Quality products are Manufactured exclusively in the UK to GMP code of practice and ISO 9001, using only the finest quality raw materials in their highest grade and purest form so you receive a consistently high-quality product.