The libraryCalm
Ashwagandha
Cortisol under stress is the one thing it moves most consistently.
Also called Withania somnifera, Indian ginseng, winter cherry, Ashvagandha
Who it's forAny man who sleeps badly or lives under steady stress. That is where it works.
The item
Three squares: proven in human trials. Two: a strong signal. One: early human data. Striped: the trials disagree.
Start today
- Take it tonight before bed, and check the label says root extract, not leaf.
- For sleep, take 600 mg of root extract a day for at least 8 weeks: the dose where the sleep gains were clearest.
How you'll know it's working
- Track
- Sleep, and alertness on rising
- When to judge
- After the full 8 weeks: look at your sleep, and how alert you wake
Why it works
Its withanolides tune the stress-hormone system. GABA (calming) effects sit behind the sleep gains. Extract type matters a great deal: root and leaf differ in withanolide makeup. Rare liver-injury cases have been reported, so stick to a root extract like the trials used. Stop if your urine turns dark or your eyes turn yellow.
The doses the studies used
| Study / Context | Route | Dose | Duration |
|---|---|---|---|
| Pooled human trials, stressed adults | Oral | 300-600 mg a day | Not stated in the pooled trials |
| Adults diagnosed with insomnia | Oral | 600 mg/day or more | 8 weeks or more |
Where it fits
Ashwagandha is a move in 10 protocols. Each one opens the plan it sits in.
What people say
Here is what doctors, influencers and men online say about Ashwagandha, word for word.
Experts
Clinicians, authorities
“the strongest evidence of ashwagandha's effectiveness in these clinical trials is for stress relief and insomnia because a larger number of studies were performed for these categories”
“as the science is not there yet to find a definitive answer on the efficacy of this super herb”
“Taking ashwagandha won't make the stress go away, but it may help reduce the symptoms so you can feel more at ease.”
Gurus
Podcasts, channels, influencers
“when you take too much of it for too long you can end up in a situation with the feeling that your emotions are flat”
“and then when we added ashwagandha guess what they were more relaxed they were able to focus more but also it impacted their sleep”
“One of the most common ones is ashwagandha. It has a very strong effect on cortisol itself.”
Regular people
Forums, reviews, comments
“i found the effects way too subtle, almost like it wasnt doing anything until i stopped and realized i was snapping at people again”
“It really does improve your mood in a good way”
“took it for about 6 months and sleep improved more than I expected, didn't realize how much tension I was carrying around until it wasn't there anymore”
The studies
Every study behind this page.
- An overview on ashwagandha: a Rasayana (rejuvenator) of AyurvedaPubMed, PMID 22754076
- Does Ashwagandha supplementation have a beneficial effect on the management of anxiety and stress? A systematic review and meta-analysis of randomized controlled trialsPubMed, PMID 36017529
- Effect of Ashwagandha (Withania somnifera) extract on sleep: A systematic review and meta-analysisPubMed, PMID 34559859
- Effects of Ashwagandha (Withania somnifera) on Physical Performance: Systematic Review and Bayesian Meta-AnalysisPubMed, PMID 33670194
- Examining the Effects of Herbs on Testosterone Concentrations in Men: A Systematic ReviewPubMed, PMID 33150931
- Comprehensive safety evaluation of Withania somnifera (Ashwagandha): an AI-driven meta-analysis and quantitative structure-activity relationship based toxicity assessmentPubMed, PMID 41368179
- Registered trial NCT06714942Trial registry
- Registered trial NCT07215689Trial registry
- Registered trial NCT07210229Trial registry
- Registered trial NCT07441070Trial registry
- Hormonal Modulation with Withania somnifera: Systematic Review and Meta-Analysis of Randomized-controlled TrialsPubMed, PMID 41740946
Words on this page
- PMID
- A study's ID number in PubMed, the public index of medical research.
Take it for sleep and stress.
Emergency: call 911.
I am not a doctor. This is not medical advice. This is self-education. Talk to a physician who has your history before you change anything.