Ashwagandha Extract, 60 Capsules
Klaire Labs' Ashwagandha Extract delivers a standardized root extract of Withania somnifera, a botanical adaptogen used in Ayurvedic practice to support the body's response to stress, promote balanced energy levels, and support healthy cortisol metabolism.
May be a fit for
- Adults seeking ashwagandha extract to support a calm stress response
- Individuals using ashwagandha to help maintain healthy cortisol balance
- Practitioners protocols requiring a pure, well-tolerated ashwagandha extract form
Save together with Wellness Circles
Invite friends or family to a Wellness Circle. Your group can unlock savings together. See current tiers and terms before joining.
Explore Wellness CirclesA closer look.
Klaire Labs' Ashwagandha Extract delivers a standardized root extract of Withania somnifera, a botanical adaptogen used in Ayurvedic practice to support the body's response to stress, promote balanced energy levels, and support healthy cortisol metabolism. Formulated by Klaire Labs, a practitioner-trusted brand with a long-standing focus on purity and hypoallergenic standards, this product is suited for adults seeking adaptogenic support without unnecessary excipients.
Why It's Worth Considering: Klaire Labs' commitment to clean formulation, minimal fillers, rigorous quality standards, makes this a reliable option for clinicians and health-conscious individuals who prioritize ingredient integrity in their supplement regimen.
50+ signals. A clearer standard.
Our curation and trust scoring bring together manufacturing, testing, research, practitioner insight and reviews from across the web.
Our score is an editorial assessment, not a product certification or a guarantee of results.
Product details
Who it may suit
May be a fit for
- Adults seeking ashwagandha extract to support a calm stress response
- Individuals using ashwagandha to help maintain healthy cortisol balance
- Practitioners protocols requiring a pure, well-tolerated ashwagandha extract form
- Those supporting sustained mental focus and physical stamina with ashwagandha
Considerations
- Autoimmune conditions (may stimulate immune activity)
- Hyperthyroidism (ashwagandha may increase thyroid hormones)
- Pregnancy and breastfeeding
- Taking sedatives or thyroid medications (additive effects)
Compatibility & interactions
Works Well With
Take Separately From
No significant interactions identified. Always consult your healthcare provider.
What to expect over time
Stress Response
Reduced cortisol reactivity to daily stressors
Sleep & Calm
Improved sleep quality and baseline anxiety reduction
Performance
Measurable strength and endurance gains
Full Adaptation
Sustained cortisol reduction of 20-30%
Based on clinical trials using KSM-66 and Sensoril ashwagandha extracts at 300-600mg/day.
Compare the options
Compare Ashwagandha Extracts
KSM-66 vs Sensoril vs Generic
| Feature | KSM-66 (root) | Sensoril (root+leaf) | Generic Extract |
|---|---|---|---|
| Withanolide % | 5% standardized | 10% standardized | 1.5-2.5% (varies) |
| Best For | Performance, testosterone, cortisol | Anxiety, sleep, relaxation | Budget option |
| Research | 22+ clinical trials | 11+ clinical trials | Limited |
| Quality Control | Patented, GMP certified | Patented, standardized | Varies widely |
Explore complementary products
Real reviews. A wider perspective.
Customer reviews, social conversations and expert insights, with every source in view.
- Marketplaces & brand websites
- Amazon, iHerb and direct brand reviews
- Social & community
- Reddit, X, Instagram and TikTok
- Video & creators
- YouTube and creator perspectives
Coverage varies by product and brand.
52013 product and brand ratings and mentions across 8 sources.
These are broader practitioner and research perspectives. They may discuss the brand or other products, rather than this exact formula.
Explore the source sentiment summary
Ashwagandha shows credible stress and sleep benefits backed by RCTs, but significant side effect warnings and contraindications temper enthusiasm.
This summary includes broader brand discussion. Individual experiences are not evidence of product effectiveness.
A few useful answers.
Research & further reading
More category questions
How long does ashwagandha take to work?
Most people notice reduced stress reactivity within 1-2 weeks. Sleep improvements by week 2-3. Full cortisol-lowering and performance benefits take 8-12 weeks of consistent daily use. It's an adaptogen — benefits compound over time, not a one-dose effect.
What is the difference between KSM-66 and Sensoril?
KSM-66 uses only the root and is standardized to 5% withanolides. It's better studied for performance, testosterone, and general stress. Sensoril uses root and leaf, standardized to 10% withanolides, and is more potent for anxiety and sleep. Both are clinically validated — KSM-66 for daytime, Sensoril for evening use.
Can ashwagandha increase testosterone?
Yes, in men with suboptimal levels. Clinical trials show KSM-66 at 600mg/day increased testosterone by 15-17% and improved sperm quality in infertile men. In men with already-normal testosterone, the effect is modest. It works primarily by reducing cortisol (which suppresses testosterone production).
Should I cycle ashwagandha?
There's no clinical evidence requiring cycling, but many practitioners recommend 8-12 weeks on, 2-4 weeks off to maintain sensitivity. If you notice the effects plateauing, a 2-week break can restore responsiveness. Some people take it continuously for years without issue.
Can I take ashwagandha with coffee?
Yes — they work through different mechanisms. Ashwagandha calms the stress response while caffeine increases alertness. Many people find the combination produces focused energy without jitteriness. Take ashwagandha with breakfast alongside your coffee.
Is ashwagandha safe for women?
Yes — ashwagandha is safe and beneficial for women. It reduces cortisol, improves thyroid function, supports fertility, and enhances sleep. It may mildly increase testosterone, which in women supports libido and energy without masculinizing effects. Avoid during pregnancy and breastfeeding.
Supplement information is provided for education and is not a substitute for personalized medical advice. Supplements are not intended to diagnose, treat, cure or prevent disease. Read the current product label before use.
Pure Encapsulations - Magnesium (Glycinate), 180 Capsules
Thorne - L-Glutamine Powder, 513 g
Nordic Naturals - Vitamin C Gummies, 60 Gummies