Ashwagandha (KSM-66)
An ancient Ayurvedic adaptogen that helps your body handle stress better — it's one of the most well-researched adaptogens, with solid evidence for stress reduction and sleep improvement.
Benefits
- +Reduces cortisol levels and helps manage stress
- +Improves sleep quality
- +May support cognitive function and memory
- +Some evidence for supporting testosterone and male fertility
- +May support thyroid function
- +Supports muscle strength and recovery (some athletic evidence)
Dosage & Cost
KSM-66 and Sensoril are the two most studied standardized extracts. KSM-66 tends to be more energizing, Sensoril more calming. Give it 4–6 weeks to notice full effects — adaptogens take time.
Side Effects
- !Digestive upset — especially on an empty stomach
- !Drowsiness (take it at night if this happens)
- !May affect thyroid hormones — caution with thyroid conditions
- !Possible liver toxicity in rare cases (discontinue if liver symptoms appear)
- !Not recommended during pregnancy
Food Sources
- • Ashwagandha root (Withania somnifera) — not really a food source; it's an herbal root traditionally prepared as a powder in warm milk
References & Links
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Featured Videos

Ashwagandha: The Studies Are Compelling!
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This page is for informational purposes only. The information here has not been evaluated by the Food and Drug Administration (FDA). No supplement discussed on this page is intended to diagnose, treat, cure, or prevent any disease. Please consult your doctor or a qualified healthcare professional before taking any dietary supplement.