Ashwagandha
Other names Withania Somnifera, Indian Ginseng, Gooseberry, Winter Cherry
Ashwagandha is a natural herb that has been used for thousands of years. People use it to improve memory, stress, mood, and sleep. But is it effective? Read on to find out what the science says.
Benefits
Read about the effects of Ashwagandha in relation to the amount of evidence we've found
We analyzed data from 6 placebo-controlled studies on the effects of Ashwagandha in healthy humans and summarized the results here:
Effect | Effect size | Evidence amount |
---|---|---|
Memory | Minute positive | Small |
Energy | Minute positive | Relatively large |
Focus | Minute positive | Moderate |
Risks
The legality and side effects of Ashwagandha
You should always consider the risks of a nootropic before you use it.
Side effects
No negative side effects were seen in any of the studies that we reviewed.
Interactions
Supplements and drugs can interact with Ashwagandha to increase or decrease the positive or negative effects you experience. If you are already using any supplements or drugs, speak with your trusted medical professional before you experiment with Ashwagandha. To learn more about the potential interactions between Ashwagandha and other substances, use interaction-checker.
Legality
Is your country not included? Learn how to find out if Ashwagandha is legal in your country.
Legality Disclaimer
The contents herein are not legal advice or a substitute for legal counsel. information is not intended to create, and receipt of it does not constitute, an attorney-client relationship. While we have done our best to be as accurate as possible in the information we convey to you about the legality of nootropics, there is a risk for inaccuracies and errors. If you’re uncertain about the legality of any of your actions, contact a legal counsel or your local authorities governing the legality of various substances you may want to use/import/travel with.
How To Use
Dose, frequency and duration
It is usually safer and more effective to use nootropics as they have been used in studies on humans. In the only study that we’ve reviewed, Ashwagandha was used in the following ways:
FAQ
Frequently asked questions about Ashwagandha
Which are the active ingredients in Ashwagandha?
It is not known which ingredients in Ashwagandha are the most relevant to its effects on mood and cognition.
Withanolides and withaferin are likely to thank for some of the cognitive and affective effects of Ashwagandha. [10]
Which form of Ashwagandha should I consume?
These ashwagandha extracts have been used in human studies on the cognitive and affective effects of Ashwagandha:
- KSM-66 [1]
- Sensoril [18]
- This product contains more than 10% withanolides and less than 0.5% of withaferin-A [2]
- It has been studied in 250mg [19] and 500mg doses [6]
- You can buy Sensoril from Nootropics Depot
- Shoden [3]
- This product contains at least 35% withanolides [23]
- It has been studied 240mg doses [24]
- You can buy Shoden from Nootropics Depot
You can [buy KSM-66], which has 5% withanolides, from our affiliate partner Mind Nutrition.
What substances may stack well with ashwagandha?
There's no high-quality research on the effects of combining ashwagandha with other substances, such as nootropic drugs or supplements. The safety and efficacy of the below-listed combinations are supported only by anecdotal reports. People tend to report better effects from ashwaganda when they also use:
Before combining any drugs or supplements, talk with your trusted medical professional about the risks involved.
What time of day should you take ashwagandha?
Ashwagandha can improve sleep quality, but it is usually sedating only in high doses.
Some users report stimulating effects, while others report sedating effects, meaning it is best to self-experiment with an open mindset as regards when during the day to take it. If you feel sedated, taking it before sleep is probably better than in the morning, and if you feel stimulated, it is likely best to take it in the morning to prevent sleep problems.
Why do people use ashwagandha?
People who self-experiment with ashwagandha often state they use it to improve their:
- Sleep
- Stress
- Nervousness
- Mood
- Sociality
- Energy
- Physical performance
- Focus
- Memory
To see what the scientific evidence says about ashwagandha for these purposes in healthy humans, see the table of benefits above on this page.
How does it feel when you take ashwagandha?
The following qualitative user experience reports and reviews are included to give you an understanding of what the experience of taking ashwagandha is like.
Anecdotal ashwagandha experience reports and reviews from Reddit
One redditor had the following experience:
"I dosed 1 capsule around 2 pm and went about my afternoon. Around 6pm, I felt a definite anti-anxiety effect, as well as a bit of calm and slept well.
Today, around noon, I started feeling more anxiety than is normal for me. So I looked back to my previous experiences with Ash (a liquid tincture one time and a powdered form made into tea another) and recalled that I would feel the effects of it shortly after dosing and then the next day I would be slightly more anxious." [30]
Another person on Reddit said the following:
"I felt a huge relief in stress and even felt my workouts were better but after a while, I had practically developed narcolepsy. I fell asleep in public places and was always tired. I even fell asleep at a sports bar when I used to have terrible almost incurable genetic sleep problems and insomnia which I think says quite a bit." [31]
A third redditor said they experienced results first after a month of use:
"No acute effects, but definitely remain more level-headed in stressful situations. Also a lot less anxious in social situations. Started noticing these subtle effects about a month in." [32]
A fourth person on Reddit said the following about their ashwagandha experiences:
"I almost instantly get this feeling of intense mental and emotional clarity, it becomes almost impossible for me to get flustered over anything, I think much more logically and I am much less emotionally reactive." [33]
Yet another person said the following:
"Took ashwaghanda ksm66 for 2 months straight daily. Helped me tremendously during a time of depression as it made me not give a fuck about anything and lifted my mood overall. Was also great for fitness and weightlifting. Couldn't get anything done though since it made me too relaxed for any productive tasks." [34]
Finally, one person said it helped their physical and cognitive performance:
"A lot of things improved, anxiety reduction and sentence flow was improved very nicely. It's not that stimulating, but the anxiety reduction was great. My main purpose was for exercise and I ran faster and felt like I recovered really fast. I worked hard on my arms and I could do it again like normal two days later without that ache you get after a hard workout." [35]
How does ashwagandha work?
Ashwagandha exerts cholinergic [36] and GABAergic [37] activity, but the neuropsychopharmacological effects of ashwagandha have not yet fully been discovered by researchers.
Is ashwagandha neuroprotective?
Ashwagandha has been found neuroprotective in various brain disorders in animals and humans. [38][39]
It is also likely that the neuroprotective effects of ashwagandha depend on what the factor that is damaging neurons in the brain is. For example, lack of oxygen or dangerously high glutamate levels in the brain can lead to increased neuronal death. Different active ingredients in ashwagandha are likely to protect neurons from different forms of neurochemical toxicity. While ashwagandha may be protective in many instances, it is likely not going to protect you from everything you might expose your brain to. The optimal dose and duration for use of ashwagandha for neuronal protection are not known.
Who should use Ashwagandha?
There’s a need for more high-quality scientific information about the safety and effectiveness of Ashwagandha. Specifically, there’s a great degree of individual variance in how people respond to nootropics in general and Ashwagandha in particular. This means that if you use Ashwagandha, you may not experience the same effects as those that were seen in scientific studies on it.
It is currently largely unknown what factors play a role in whether a nootropic will be effective for a person.
While we wait for science to explain who is likely to respond to which nootropics, patient self-experimentation with nootropics that have been found safe and effective in placebo-controlled studies in healthy humans is a proven strategy to feel and perform better with the help of nootropics.
Studies
Studies conducted on the effects of Ashwagandha in healthy humans
In the 6 studies that met our inclusion criteria, 158 participants received Ashwagandha. In total, we examined 9 studies on the effects Ashwagandha, which you can find summaries of below.
This study is used in our recommendation engine calculations. Learn more about how we select studies
Summary
"The findings suggest that Ashwagandha root extract enhances the cardiorespiratory endurance and improves QOL in healthy athletic adults."
Study groups
Adults using 600 Milligram
This study is used in our recommendation engine calculations. Learn more about how we select studies
Summary
Ashwaganda had a moderate positive effect on psychomotor skills in healthy adults
Study groups
Adults using 1000 Milligram
This study is used in our recommendation engine calculations. Learn more about how we select studies
Summary
Ashwagandha reduced anxiety after 60 days of consumption
Study groups
Adults using 240 Milligram
This study is used in our recommendation engine calculations. Learn more about how we select studies
Summary
Ashwagandha root aqueous extract was beneficial in reducing stress and anxiety.
Study groups
Adults using 250 Milligram
Adults using 600 Milligram
Summary
"The formulation appeared safe and strengthened muscle activity."
This study is used in our recommendation engine calculations. Learn more about how we select studies
Summary
Ashwaganda had a small positive effect on strength in healthy adults
Study groups
Adults using 500 Milligram
This study is used in our recommendation engine calculations. Learn more about how we select studies
Summary
Ashwaganda had a very big positive effect on strength in healthy adults
Study groups
Adults using 600 Milligram
Summary
"Supplementation with the standardized ashwagandha extract for six weeks improved the overall quality of sleep by significantly improving the NRS condition in healthy subjects. No treatment related adverse events were reported in the study." https://pubmed.ncbi.nlm.nih.gov/32540634/ (NRS = Non-Restorative Sleep)
Summary
"All five studies concluded that WS intervention resulted in greater score improvements (significantly in most cases) than placebo in outcomes on anxiety or stress scales. Current evidence should be received with caution because of an assortment of study methods and cases of potential bias."
Last updated Saturday, June 10, 2023