Ashwagandha under the microscope: 12-Month safety check for popular herb
NCT ID NCT06244147
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study followed 200 adults aged 18 to 65 who were already taking the herbal supplement KSM-66 ashwagandha as prescribed by their doctor. The main goal was to check for any side effects over a full year, with a focus on liver health. Researchers also looked at whether the supplement helped with stress or other conditions, but this was an observational study, not a treatment trial.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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200 people
The number who actually took part.
- Started
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Feb 2024
- Finished
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Oct 2025
- Lead sponsor
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A research network
The lead sponsor is a research network or cooperative group.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
A total of 200 subjects who are prescribed KSM-66 Ashwagandha by their clinicians for long-term period for their respective health conditions will be included for this observational study.
- Ages
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adults (male and female) aged between 18 and 65 years. * Prescribed KSM-66 Ashwagandha by their clinicians for long-term period. * No plan to commence any other alternative treatment modality for their conditions. * Willingness to sign an informed consent document and to comply with all study related procedures. * Participants with Body mass index between 25 and 39.9 kg/m2. Exclusion Criteria: * Patients receiving any of the medications known to affect stress and anxiety (corticosteroids, antidepressants, anti-psychotics, mood stabilizers, and anti-epileptic medications) during 4 weeks prior to screening. * Patients currently (or within the past 4 weeks prior to screening) taking any over the counter use of herbal extracts such as Ginkgo Biloba, St. John's Wort, Omega-3 etc. * Patients with depressive episode, suicidal tendency, panic disorder, social phobia, obsessive-compulsory disorder; alcohol dependency; schizophrenia and mania. * Patients with known post-traumatic stress disorder (PTSD). * Patients with known clinically significant acute unstable hepatic, renal, cardiovascular, or respiratory disease that will prevent participation in the study. * Patients with known hypersensitivity to Ashwagandha. * Patients who had participated in other clinical trials during previous 3 months. * Patients who have any clinical condition, according to the investigator which does not allow safe fulfillment of clinical trial protocol.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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SF Research Institute
San Francisco, California, 94127, United States
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