KSM-66 is a root extract used in studies on perceived stress, sleep, and sometimes strength. Effects are modest and person-dependent.
Supplements
Moderate evidence
Ashwagandha (KSM-66)
Standardized adaptogen for stress load.
How to use
300–600 mg with an evening meal. Cycle 8 weeks on if you use it daily.
Details
- Ingredients
- Withania somnifera (KSM-66)
- Benefits
- Lower perceived stress, Sleep quality
- Dosage
- 300–600 mg
- When to take
- Evening, With food
- Side effects
- Vivid dreams, GI upset, possible thyroid stimulation.
- Scientific evidence
- Multiple RCTs on stress scales; quality of extracts varies.
- Form
- Capsule
- Third-party tested
- Yes
Editorial rating ★ 4.0
Worth a trial if stress is the bottleneck. Skip if you have thyroid autoimmunity unless a clinician agrees.
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