KSM-66
Also known as: Ashwagandha extract, Withania somnifera
Effective Dosage
300-600 mg daily
✓ What the Science Says
KSM-66 is a standardized extract of ashwagandha, which is traditionally used for its adaptogenic properties. Limited clinical trials suggest potential benefits for stress reduction and improving cognitive function, but the evidence is not robust enough to draw definitive conclusions.
✗ What It Doesn't Do
KSM-66 is often marketed as a miracle cure for anxiety, depression, and overall wellness, but there is insufficient evidence to support these broad claims. It does not replace professional medical treatment for mental health conditions.
Evidence-Based Benefits
KSM-66 is a standardized extract of ashwagandha, which is traditionally used for its adaptogenic properties. Limited clinical trials suggest potential benefits for stress reduction and improving cognitive function, but the evidence is not robust enough to draw definitive conclusions.
Weak EvidenceEffective at: 300-600 mg daily
Source: PubMed, NIH DSLD
Absorption & Bioavailability
Moderate - While some studies suggest good absorption, the overall bioavailability can vary based on individual factors and the specific formulation.
Red Flags to Watch For
- 🚩 Overly broad health claims without sufficient evidence
- 🚩 High prices compared to other ashwagandha products
Products Containing KSM-66
See how KSM-66 is used in these analyzed products:
Research Sources
- PubMed
- NIH DSLD
This information is for educational purposes only and is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Last updated: 2026-02-04