Ashwagandha
Withania somnifera
Adaptogen that modulates cortisol, reduces stress-related biomarkers, and may support telomere length via telomerase activation. KSM-66 and Sensoril are clinically studied extracts.
Typical longevity dose: 300-600 mg/day (standardized extract)
Price Comparison
| Product | Vendor | Price | Per Serving | Trust | |
|---|---|---|---|---|---|
Jarrow KSM-66 Ashwagandha 300mg 300mg · capsule · 120 servings | iHerb | $17.99 | $0.15 | 8 | Buy |
Nootropics Depot KSM-66 300mg 300mg · capsule · 90 servings | Nootropics Depot | $14.99 | $0.17 | 9 | Buy |
NOW Ashwagandha 450mg 450mg · capsule · 90 servings | iHerb | $14.99 | $0.17 | 8 | Buy |
Jarrow KSM-66 Ashwagandha 300mg 300mg · capsule · 120 servings | Jarrow Formulas | $19.95 | $0.17 | 8 | Buy |
NOW Ashwagandha 450mg 450mg · capsule · 90 servings | NOW Foods | $15.99 | $0.18 | 7 | Buy |
Momentous Ashwagandha (Sensoril) 225mg · capsule · 60 servings | Momentous | $29.95 | $0.50 | 8 | Buy |
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Key Research
300 mg KSM-66 twice daily reduced cortisol by 28% and stress scores significantly.
Chandrasekhar K, et al. (2012). Indian J Psych Med
Interaction Warnings
Thyroid medications
May increase thyroid hormone levels
Immunosuppressants
May stimulate immune system
Synergies
Magnesium
Both support stress reduction and sleep quality
Disclaimer: This information is for educational purposes only and is not medical advice. Research citations are provided for reference — consult your healthcare provider before starting any supplement regimen. Prices are estimates and may not reflect current retail pricing.