What is Ashwagandha (KSM-66®)?
A root extract with a long history of use in Ayurvedic tradition. KSM-66® is the most clinically studied ashwagandha extract, standardised to ≥5% withanolides from root only.
Why KSM-66® Root Extract?
KSM-66® is a full-spectrum root extract standardised to ≥5% withanolides at a 20:1 ratio — the most clinically studied ashwagandha extract in existence, using only the root (never the leaf) to avoid withaferin A. The ® trademark reflects its status as the reference-standard form backed by the largest body of published clinical research.
About Ashwagandha (KSM-66®)
Adaptogenic tradition
Ashwagandha has been used for centuries in Ayurvedic practice. Modern research has examined its withanolide compounds extensively, with over 20 randomised controlled trials published on KSM-66® alone.
Clinical research
KSM-66® is the most clinically studied ashwagandha extract, with published trials examining its effects across a range of population groups and contexts.
Why KSM-66®
KSM-66® uses only the root — never the leaf — to avoid withaferin A, a cytotoxic compound present in leaf-containing extracts. Standardised to ≥5% withanolides at a 20:1 concentration ratio.
What does the research say?
The studies cited below are published peer-reviewed research. They do not constitute health claims for this product and are presented for informational purposes only.
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