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List of Ashwagandha research papers

This page includes a comprehensive list of research papers, clinical trials and more that detail the benefits of ashwagandha supplements discovered to date. For easier reading and understanding, findings have been summarized in greater detail for you.

No.	Product	Date	Focus	Study Title	Link
01	Ashwagandha	13/09/2019	Stress-relief	An investigation into the stress-relieving and pharmacological actions of an ashwagandha (Withania somnifera) extract	View Paper
02	Ashwagandha	10/01/2021	Sleep Inducing Effects	Clinical evaluation of the pharmacological impact of ashwagandha root extract on sleep in healthy volunteers and insomnia patients: A double-blind, randomized, parallel-group, placebo-controlled study	View Paper
03	Ashwagandha	21/02/2017	Cognition Enhancement	Efficacy and Safety of Ashwagandha (Withania somnifera (L.) Dunal) Root Extract in Improving Memory and Cognitive Functions	View Paper
04	Ashwagandha	06/04/2021	Body Weight Management	Body Weight Management in Adults Under Chronic Stress Through Treatment With Ashwagandha Root Extract	View Paper
05	Ashwagandha	20/07/2022	Men’s Sexual Wellbeing	Effect of standardized root extract of ashwagandha (Withania somnifera) on well-being and sexual performance in adult males: A randomized controlled trial	View Paper
06	Ashwagandha	04/10/2015	Women’s Sexual Wellbeing	Efficacy and Safety of Ashwagandha (Withania somnifera) Root Extract in Improving Sexual Function in Women: A Pilot Study	View Paper

Above is a comprehensive list of research & clinical trials conducted to date.

Details of each study, including focus, study subjects, dosage, date & results or findings

Paper #01 - An investigation into the stress-relieving and pharmacological actions of an ashwagandha (Withania somnifera) extract

Summary: In stressed, healthy adults, ashwagandha was found to have stress-relieving effects on participants compared to placebo.

Publication Date: 13 September 2019

Focus: Stress Relief

Study Subjects: 60 stressed but healthy adults

Dosage: Either a placebo or 240 mg of a standardized ashwagandha extract (Shoden) once daily for 60 days

Results/Findings: All participants completed the trial with no adverse events reported with a statistically significant reduction in the Hamilton Anxiety Rating Scale (HAM-A) for those who had been supplemented with ashwagandha compared to placebo. Ashwagandha intake was also associated with greater reductions in morning cortisol compared to placebo.

Paper #02 - Clinical evaluation of the pharmacological impact of ashwagandha root extract on sleep in healthy volunteers and insomnia patients: A double-blind, randomized, parallel-group, placebo-controlled study

Summary: The present study confirms that Ashwagandha root extract can improve sleep quality and can help in managing insomnia. Ashwagandha root extract was well tolerated by all the participants irrespective of their health condition and age.

Publication Date: 10 January 2021

Focus: Sleep Inducing Effects

Study Subjects: 80 eligible participants, 40 in Arm-A (healthy) and 40 in Arm-B (insomnia) were assigned to two groups, either Ashwagandha or placebo and studied for 8-weeks.

Dosage: Not specified

Results/Findings: In both healthy and insomnia subjects, there was a significant improvement in the sleep parameters in the Ashwagandha root extract supplemented group. The improvement was found more significant in insomnia subjects than healthy subjects.

Paper #03 - Efficacy and Safety of Ashwagandha (Withania somnifera (L.) Dunal) Root Extract in Improving Memory and Cognitive Functions

Summary: After eight weeks of study, the ashwagandha treatment group demonstrated significant improvements compared with the placebo group in both immediate and general memory. The treatment group also demonstrated significantly greater improvement in executive function, sustained attention, and information-processing speed.

Publication Date: 21 Feb 2017

Focus: Enhancement in Memory and Cognitive Functions

Study Subjects: 50 adults with Mild Cognitive Impairment (MCI)

Dosage: Ashwagandha-root extract (300 mg twice daily) for eight weeks

Results/Findings: Ashwagandha may be effective in enhancing both immediate and general memory in people with MCI as well as improving executive function, attention, and information processing speed.

Paper #04 - Body Weight Management in Adults Under Chronic Stress Through Treatment With Ashwagandha Root Extract

Summary: The outcome of this study suggests that Ashwagandha root extract can be used for body weight management in adults under chronic stress.

Publication Date: 6 Apr 2016

Focus: Body Weight Management

Study Subjects: 52 adults (38 men and 14 women) between the ages of 18 and 60 years under chronic stress

Dosage: 300 mg Ashwagandha taken twice daily for 8 weeks

Results/Findings: Ashwagandha root extract exerts anti-stress activity, resulting in reduced food cravings and better eating behaviors. Ashwagandha root extract can be useful for body-weight management in patients experiencing chronic stress.

Paper #05 - Effect of standardized root extract of ashwagandha (Withania somnifera) on well-being and sexual performance in adult males: A randomized controlled trial

Summary: The present study aims to evaluate the effect of ashwagandha root extract on improving sexual health in adult males.

Publication Date: 20 July 2022

Focus: Sexual Health Improvement In Adult Males

Study Subjects: 50 participants with lower sexual desire

Dosage: 300 mg of ashwagandha root extract or placebo capsules twice daily for 8 weeks

Results/Findings: Compared to placebo, the findings of the study suggest that ashwagandha demonstrated a significant subjective perception of sexual well-being and assisted in increasing serum testosterone levels in the participants.

Paper #06 - Efficacy and Safety of Ashwagandha (Withania somnifera) Root Extract in Improving Sexual Function in Women: A Pilot Study

Summary: The purpose of the study was to determine the efficacy and safety of a high-concentration ashwagandha root extract (HCARE) supplementation for improving sexual function in healthy females.

Publication Date: 04 October 2015

Focus: Improving sexual function in women

Study Subjects: 50 female participants aged 21–50

Dosage: 300 mg of HCARE or placebo capsules twice daily for 8 weeks.

Results/Findings: This study demonstrated that oral administration of HCARE may improve sexual function in healthy women.