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Clinical Updates
Ashwagandha Supplements
Ashwagandha for Stress & Anxiety
September 30, 2024
Did taking a low daily dose of ashwagandha reduce stress and anxiety for people with generalized anxiety disorder? Find out what a recent study showed in the Anxiety section of our Ashwagandha Supplements Review, which includes our Top Picks for ashwagandha.
Response to Ashwagandha Findings
September 23, 2024
A law firm representing a company that sells an ashwagandha product that failed our tests sent us a copy of test results that it claims refute our findings. We discuss this in the Update to our Ashwagandha Supplements Review, which includes our Top Picks for ashwagandha.
Ashwagandha Concern
July 02, 2024
A CL member reported significant side effects with an ashwagandha extract from a well-known brand. Get the details in the Update to our Ashwagandha Supplements Review, which includes our Top Picks for ashwagandha.
Ashwagandha for Cognition?
June 25, 2024
Does taking ashwagandha improve cognition or reduce fatigue? See what a recent study found in the What It Does section of our Ashwagandha Supplements Review, which includes our Top Picks among ashwagandha supplements.
Response to CL's Ashwagandha Results
June 11, 2024
The seller of an ashwagandha that failed to pass our recent Review claims that our test of its product was deficient and threatens action if we don’t remove the findings. See the Update in the Ashwagandha Review, which includes our Top Picks for ashwagandha, for details.
Ashwagandha Can Impact Thyroid Function
May 21, 2024
Be aware that ashwagandha supplements may increase thyroid hormone levels and cause side effects, as was recently reported. Get the details, including symptoms, in the Concerns and Cautions section of our Ashwagandha Supplements Review, which includes our Top Picks.
Ashwagandha for Stress?
May 07, 2024
A recent study found that an ashwagandha extract reduced stress, anxiety, and depression, but dose and type of extract appears to matter. See the details in the Stress section of our Ashwagandha Supplements Review, which includes our Top Picks among ashwagandha supplements.
Also see: Do any supplements help relieve stress?
Also see: Do any supplements help relieve stress?
A Better Ashwagandha Extract?
January 16, 2024
A recently published study suggested that a particular ashwagandha extract may be better than regular extract at raising levels of ashwagandha compounds in the blood. For details, see the ConsumerTips section of our Ashwagandha Supplements Review. Also see our Top Picks for ashwagandha.
Ashwagandha & Liver Injury
November 10, 2023
Eight new cases of liver injury were recently reported among people taking ashwagandha supplements. Get the details, including the doses taken and common symptoms in the Concerns and Cautions section of our Ashwagandha Supplements Review.
Also see our answer to the question: Is there a risk of liver toxicity with certain supplements?
Also see our answer to the question: Is there a risk of liver toxicity with certain supplements?
Ashwagandha for Stress?
October 13, 2023
Ashwagandha is widely promoted to reduce stress, but does it really work? See what a recent study found in the What It Does section of our Ashwagandha Supplements Review. Also see our Top Picks for ashwagandha.
Ashwagandha for Better Sleep?
August 30, 2022
Can ashwagandha improve sleep? See what a recent study found in the What It Does section of our Ashwagandha Supplements Review.
Also learn about supplements for insomnia.
Ashwagandha for Anxious Dogs?
April 19, 2022
Can ashwagandha supplementation reduce fear and anxiety in anxious dogs? See what a new study found in the What It Does section of our Ashwagandha Supplements Review.
(Also see our other articles about supplements for dogs.)
Liver Injury from Ashwagandha
December 13, 2021
Several cases of liver injury have been reported with use of ashwagandha supplements, including a recent report suggesting why this may happen. Get the details in the Concerns and Cautions section of our Ashwagandha Supplements Review.
Ashwagandha for Stress?
November 29, 2021
Does ashwagandha supplementation reduce stress? See what a new study found in the What It Does section of our Ashwagandha Supplements Review.
Ashwagandha for Hot Flashes?
November 01, 2021
Can ashwagandha supplementation reduce hot flashes and other symptoms of perimenopause? See what a new study found in the What It Does section of our Ashwagandha Supplements Review. Also see our Top Picks for ashwagandha.
Liver Injury With Ashwagandha
July 09, 2021
Although rare, liver injury has been linked to the use of certain ashwagandha supplements. Another case was recently reported. Get the details in the Concerns and Cautions section of the Ashwagandha Supplements Review.
Ashwagandha for Exercise Endurance?
March 05, 2021
Can ashwagandha improve endurance and decrease fatigue during exercise? See what a new study found in the What It Does section of the Ashwagandha Supplements Review. Also see our Top Pick among ashwagandha supplements.
Caution With Ashwagandha
January 02, 2021
Ashwagandha may decrease the effectiveness of immunosuppressant drugs and, according to a recent case report, may trigger transplant rejection. Get the details in the Concerns and Cautions section of the Ashwagandha Supplements Review. The section includes information about other potential side effects of ashwagandha.
Ashwagandha for Sleep
August 20, 2020
Can ashwagandha help people with insomnia fall asleep and stay asleep longer? Find out what studies are showing in the What It Does section of the Ashwagandha Supplements Review. Also see our Top Picks for ashwagandha.
Ashwagandha for Better Sleep?
May 26, 2020
Ashwagandha, which is often used for anxiety and stress, was recently tested in people with insomnia. Did it help them fall asleep? Find out in the What It Does section of the Ashwagandha Supplements Review. Also see our Top Pick for ashwagandha.
Does Ashwagandha Lower Stress?
February 24, 2020
A widely available ashwagandha extract was recently tested for its ability to reduce stress, at two different doses. Find out if either worked in the What It Does section of the Ashwagandha Supplements Review. Also see our Top Pick for ashwagandha.
Concern With Ashwagandha
January 11, 2020
Ashwagandha can increase thyroid hormone levels, resulting in thyroid toxicity, even in people without a history of thyroid disease. Read about a recent case and learn symptoms to look for in the Concerns and Cautions section of the Ashwagandha Supplements Review. Also see our Top Pick among ashwagandha supplements.
Ashwagandha for Insomnia?
October 14, 2019
Does ashwagandha help people with insomnia fall asleep and stay asleep? See what a new study showed in the What It Does section of the Ashwagandha Supplements Review. Also see our Top Pick for ashwagandha.
Ashwagandha for Stress and Anxiety
September 16, 2019
Can ashwagandha decrease symptoms of anxiety and lower levels of a stress hormone? See what a new study found in the Anxiety, Stress and Insomnia section of the Ashwagandha Supplements Review. Also see our Top Pick for ashwagandha.
Liver Injury With Ashwagandha
May 21, 2019
Although rare, several cases of liver injury associated with the use of ashwagandha supplements were recently reported. See the details in the Concerns and Cautions section of the Ashwagandha Supplements Review. This has affected our selection of a Top Pick.
Ashwagandha for Vitality?
March 11, 2019
Did giving ashwagandha to middle-aged, overweight men improve their vitality, vigor, or levels of testosterone? Find out in the What It Does section of the Ashwagandha Supplements Review. Also see our Top Pick for ashwagandha.
Ashwagandha for Schizophrenia
July 16, 2018
Can ashwagandha reduce symptoms of schizophrenia? Find out what a new study suggests in the What It Does section of the Ashwagandha Review. (Also see our Top Pick among ashwagandha supplements.)
Ashwagandha & Thyroid Function
September 01, 2017
Ashwagandha extract improved thyroid hormone levels in men and women with subclinical hypothyroidism in a new study. See the details in the "What It Does" section of our Ashwagandha Supplements Review -- which includes our Top Pick among ashwagandha supplements.
Ashwagandha Improves Memory
May 02, 2017
An 8-week study among men and women with mild cognitive impairment found ashwagandha root extract to improve many aspects of cognitive function compared to placebo. Studies have shown a range of benefits with ashwagandha, particularly in reducing stress and anxiety, although studies have been small. For details, see the "What It Does" section of the Ashwagandha Supplements Review >>
Ashwagandha for Knee Osteoarthritis
December 16, 2016
A new study in which people with mild knee osteoarthritis were given ashwagandha supplements daily showed significant improvements in pain and inflammation. For more details about this and other studies with ashwagandha, as well as our reviews of products, see the "What It Does" section of the Ashwagandha Supplements Review >>
Herbal Arousal
November 23, 2015
We have previously reported that ashwagandha extract may improve fertility in men. A new study suggests that it can improve sexual function in women. Details about the product and dosage, and our tests of products on the market, are found in the Ashwagandha Review >>
