Can Ashwagandha Help With Anxiety? What the Research Shows

PIM_Stress Mood_Ashwagandha for Anxiety

Questions about ashwagandha and anxiety can be hard to sort through. Product descriptions sometimes make its calming effects sound settled, but current guidance says the evidence about anxiety remains unclear [8].

A 2014 systematic review of human trials reported generally favorable findings, but small study sizes and risk of bias limited confidence in the results [2]. A later randomized trial studied 40 adults diagnosed with generalized anxiety disorder who were already taking selective serotonin reuptake inhibitors, or SSRIs. Ashwagandha was tested as an addition to their existing treatment—not as a replacement [5].

Those findings make the topic worth examining, but they do not establish ashwagandha as a proven anxiety treatment or predict how any individual will respond. In this guide, we’ll look at who was studied, what researchers measured, where the results are encouraging, and where important uncertainty remains.

Purple Iris Media is an evidence-informed wellness publisher, not a medical provider. This article explains how ashwagandha has been studied for stress and anxiety. It does not recommend ashwagandha as a treatment for an anxiety disorder or as a replacement for professional mental-health care.

Ashwagandha may cause drowsiness, stomach upset, diarrhea, or vomiting, and rare cases of liver injury have been reported. Its long-term safety has not been established. It should be avoided during pregnancy and breastfeeding and may not be appropriate before surgery or for people with certain autoimmune or thyroid disorders. Ashwagandha can also interact with some medications [8].

Talk with a qualified healthcare professional before use if you have a health condition, take medication, or have questions about whether ashwagandha is appropriate for you. Do not stop or change a prescribed treatment or use a supplement to delay needed mental-health care.

Key Takeaways

How Ashwagandha Stress and Anxiety Research Was Designed

The cited studies did not all examine the same question. They included different participant groups, extracts, serving amounts, study lengths, and ways of measuring stress or anxiety. Those differences affect what each result can reasonably tell us.

How the Cited Studies Were Designed

The cited studies did not examine the same populations or test one standardized routine. Three trials enrolled otherwise healthy adults who reported elevated or ongoing stress [1] [3] [4]. One small trial enrolled adults with diagnosed generalized anxiety disorder who were already receiving SSRI treatment [5].

POPULATION CONTEXT

Participants included adults reporting elevated or chronic stress [1] [3] [4]. The generalized anxiety disorder trial included 40 adults with a confirmed diagnosis who remained on SSRI treatment [5].

INTERVENTION CONTEXT

Researchers tested different root extracts, amounts, schedules, and study lengths. These included 250 or 600 mg per day for eight weeks [1], 300 mg twice daily for 60 days [3], 240 mg once daily for 60 days [4], and 1 g once daily for six weeks alongside SSRI treatment [5].

OUTCOMES FOCUS

Researchers used questionnaires to assess perceived stress, anxiety, and related symptoms. Some studies also measured cortisol [1] [3] [4]. The generalized anxiety disorder trial used the Hamilton Anxiety Rating Scale at baseline, week two, and week six [5].

What this means: These studies should not be treated as interchangeable. Findings from otherwise healthy adults reporting stress do not establish that ashwagandha treats an anxiety disorder. The generalized anxiety disorder trial tested ashwagandha as an addition to ongoing SSRI treatment—not as a replacement [5].

What the Studies Found About Stress and Anxiety

The cited research reports some encouraging findings, but it does not provide a settled answer about using ashwagandha for anxiety.

In one eight-week trial involving otherwise healthy adults reporting stress, both studied amounts were associated with improvements in perceived-stress scores compared with placebo. However, only the higher studied amount produced a statistically significant difference on the anxiety scale [1].

Two other trials involved otherwise healthy adults experiencing chronic or self-reported stress. Researchers reported changes in some stress or anxiety measures and cortisol levels, but these studies did not test ashwagandha as a treatment for a broadly representative population with diagnosed anxiety disorders [3] [4].

The small generalized anxiety disorder trial had a different design. Forty adults with a confirmed diagnosis remained on SSRI treatment while receiving either ashwagandha or a placebo for six weeks. Anxiety scores improved more in the ashwagandha group, but the study evaluated it as an addition to existing treatment—not as a replacement [5].

A systematic review found generally favorable results across earlier human trials, but small study sizes, differences between the studies, and risk of bias limited confidence in the findings [2]. Current NCCIH guidance therefore describes the evidence about ashwagandha for anxiety as unclear [8].

What this means: The findings support continued research, but they do not establish ashwagandha as a proven treatment for generalized anxiety disorder, social anxiety, or anxiety symptoms more broadly. Results from studies of otherwise healthy adults experiencing stress should not automatically be presented as treatment evidence for an anxiety disorder.

What the Research Means for Practical Use

The human studies reported changes in certain self-reported symptoms and cortisol levels. Those findings are worth understanding, but they do not show that ashwagandha works through one confirmed pathway or provides a predictable anxiety benefit.

Some clinical trials measured cortisol alongside questionnaires about stress or anxiety [1] [3] [4]. Cortisol can help researchers examine the body’s stress response, but a change in cortisol does not by itself establish that a supplement treats an anxiety disorder.

Laboratory research has explored how ashwagandha compounds interact with GABA-related pathways [6], while animal studies have examined possible effects on stress responses [7]. These findings can help researchers develop hypotheses, but they do not demonstrate what an oral supplement will do for a person experiencing anxiety.

The cited human research does not establish a benefit for social anxiety. It also does not show that ashwagandha builds long-term emotional resilience, prevents future anxiety, or can replace established care. Only one cited trial enrolled people with diagnosed generalized anxiety disorder, and that study tested ashwagandha as an addition to ongoing SSRI treatment [5].

What this means: The research helps explain why ashwagandha continues to be studied, but it does not provide a treatment formula. If anxiety is persistent, worsening, or interfering with daily life, a qualified healthcare professional can help assess appropriate care. Do not stop or change prescribed treatment based on a supplement study.

When Did Researchers Measure Changes?

The studies did not establish one standard timeline for noticing an effect. Instead, researchers assessed participants at scheduled points during trials that lasted from six to eight weeks or approximately 60 days.

One trial assessed stress and anxiety measures at baseline, four weeks, and eight weeks [1]. The generalized anxiety disorder trial used the Hamilton Anxiety Rating Scale at baseline, week two, and week six [5]. Two other stress studies reported outcomes after 60 days [3] [4].

These assessment points show when researchers collected data—not when every participant first noticed a change. The studies do not support a week-by-week progression from subtle effects to “full therapeutic effects,” nor do they establish that consistent use will gradually build emotional resilience.

What this means: There is no research-supported countdown for anxiety relief. Responses may differ depending on the extract, product, outcome being considered, and individual circumstances. A study’s duration should not be treated as a reason to increase the serving amount, continue despite unwanted effects, or delay appropriate mental-health care.

Questions to Consider Before Using Ashwagandha

The research does not establish one ashwagandha extract, serving amount, schedule, or treatment plan for anxiety. Before deciding whether a product fits your circumstances, consider the following questions.

1. What are you hoping the supplement will address?

Studies involving otherwise healthy adults experiencing stress are not the same as treatment studies involving people with a diagnosed anxiety disorder. Ashwagandha should not replace professional mental-health care or prescribed treatment.

2. Could it conflict with your health needs or current care?

Ashwagandha can interact with certain medications and may not be appropriate for everyone. Talk with a qualified healthcare professional before use if you take medication, have a health condition, are preparing for surgery, or are unsure whether it is suitable for you [8].

3. What does the specific product label tell you?

Look for the plant part used, extract type, amount per serving, standardization information, serving directions, and warnings. Findings from one branded or standardized extract should not automatically be applied to a different formulation.

4. How will you respond if unwanted effects occur?

Follow the directions and warnings for the specific product. Do not increase, divide, or combine servings solely to imitate a research study. Stop using the product and seek medical guidance if concerning symptoms develop.

What this means: A careful decision starts with your health circumstances and the specific product—not with copying a study routine. If anxiety is persistent, worsening, or interfering with daily life, professional care is more important than finding a supplement schedule.

The Bottom Line

Small human trials have reported changes in certain stress or anxiety measures, but the studies used different populations, extracts, serving amounts, and outcomes [1] [3] [4] [5]. A systematic review also identified small samples and risk of bias as important limitations [2]. Current NCCIH guidance therefore describes the evidence about ashwagandha for anxiety as unclear [8].

The research supports continued study—not a conclusion that ashwagandha is a proven treatment for anxiety. Most of the cited trials involved otherwise healthy adults reporting stress. The one trial involving diagnosed generalized anxiety disorder tested ashwagandha alongside existing SSRI treatment, not in place of it [5].

If you are considering an ashwagandha product, follow its directions and warnings and discuss it with a qualified healthcare professional when medications, health conditions, or mental-health treatment are involved. Do not use a supplement to replace prescribed treatment or delay needed care.

Common Questions

Do not combine ashwagandha with an anxiety medication without first discussing it with the healthcare professional managing your treatment. Ashwagandha may interact with sedatives and several other types of medication, and individual risks can depend on the specific medicine, health conditions, and other supplements being used [10].

One small trial studied ashwagandha in adults with generalized anxiety disorder who were already taking SSRIs [5]. However, that six-week study does not establish that ashwagandha can be safely combined with every SSRI or with SNRIs, benzodiazepines, or other psychiatric medications.

Do not stop, reduce, or change a prescribed medication in order to use ashwagandha. A qualified healthcare professional can review the specific combination and help determine whether additional monitoring is appropriate.

The research does not establish ashwagandha as a treatment for panic attacks or panic disorder. The cited trials examined perceived stress, general anxiety measures, or generalized anxiety disorder alongside existing SSRI treatment [1] [3] [4] [5]. None tested whether ashwagandha can stop an acute panic attack.

Do not rely on a supplement for immediate relief during a panic attack or use it to replace established treatment. A qualified healthcare professional can help determine whether recurring panic symptoms require evaluation and discuss treatments supported by evidence.

Seek urgent medical care for new or severe symptoms—particularly chest pain, fainting, or significant difficulty breathing—because symptoms that feel like panic can sometimes have another medical cause

The research does not establish a standard timeframe for noticing an effect. The cited trials lasted approximately six to eight weeks or 60 days and assessed participants at predetermined points during those periods [1] [3] [4] [5].

Those assessment dates show when researchers collected information—not when each participant first noticed a change. The studies do not demonstrate that benefits should begin within a particular week or that everyone will respond within the study period.

Do not increase the serving amount or continue using a product despite unwanted effects because a study lasted a certain number of weeks. Follow the specific product’s directions and consult a qualified healthcare professional when anxiety symptoms persist or worsen.

Long-term safety has not been established. The anxiety- and stress-related trials cited in this article generally lasted from six to eight weeks or approximately 60 days [1] [3] [4] [5]. NCCIH states that ashwagandha may be safe for short-term use—up to about three months—but there is not enough information to determine its long-term safety [10].

Possible unwanted effects include drowsiness, stomach upset, diarrhea, and vomiting. Rare cases of liver injury have also been reported, and ashwagandha may be unsuitable for some people or interact with certain medications [10].

Do not treat the absence of problems during a short study as proof that continued use is safe. Anyone considering ongoing use should discuss the specific product, other medications, health conditions, and appropriate monitoring with a qualified healthcare professional.

The cited studies did not establish a consistent pattern of worsening anxiety, but they also cannot predict how every person will respond. Individual reactions can differ, and a change in symptoms could relate to the ashwagandha, another ingredient in the product, a medication interaction, or another health factor.

Ashwagandha may cause unwanted effects and can interact with certain medications. It may also affect thyroid function, which is relevant because changes in thyroid activity can produce symptoms that feel similar to anxiety, such as nervousness or a rapid heartbeat [10].

If anxiety, agitation, sleep problems, or other concerning symptoms begin or worsen after starting a product, stop using it and contact a qualified healthcare professional. Seek immediate help if symptoms are severe or include thoughts of self-harm.

Need Immediate Support?

If you or someone you know is experiencing emotional distress, a mental-health or substance-use crisis, or thoughts of suicide, call or text 988 in the United States or visit 988lifeline.org to chat with a counselor. The 988 Suicide & Crisis Lifeline is available 24 hours a day, every day of the year.

If there is immediate danger or an urgent medical emergency, call 911.

References

[1] Salve, J., Pate, S., Debnath, K., & Langade, D. (2019). Adaptogenic and anxiolytic effects of ashwagandha root extract in healthy adults: A double-blind, randomized, placebo-controlled clinical study. Cureus, 11(12), e6466.
https://doi.org/10.7759/cureus.6466

[2] Pratte, M. A., Nanavati, K. B., Young, V., & Morley, C. P. (2014). An alternative treatment for anxiety: A systematic review of human trial results reported for the Ayurvedic herb ashwagandha (Withania somnifera). Journal of Alternative and Complementary Medicine, 20(12), 901–908.
https://doi.org/10.1089/acm.2014.0177

[3] Chandrasekhar, K., Kapoor, J., & Anishetty, S. (2012). A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum extract of ashwagandha root in reducing stress and anxiety in adults. Indian Journal of Psychological Medicine, 34(3), 255–262.
https://doi.org/10.4103/0253-7176.106022

[4] Lopresti, A. L., Smith, S. J., Malvi, H., & Kodgule, R. (2019). An investigation into the stress-relieving and pharmacological actions of an ashwagandha (Withania somnifera) extract: A randomized, double-blind, placebo-controlled study. Medicine (Baltimore), 98(37), e17186.
https://doi.org/10.1097/MD.0000000000017186

[5] Fuladi, S., Emami, S. A., Mohammadpour, A. H., Karimani, A., Manteghi, A. A., & Sahebkar, A. (2021). Assessment of the efficacy of Withania somnifera root extract in patients with generalized anxiety disorder: A randomized double-blind placebo-controlled trial. Current Reviews in Clinical and Experimental Pharmacology, 16(2), 191–196.
https://doi.org/10.2174/1574884715666200413120413

[6] Candelario, M., Cuellar, E., Reyes-Ruiz, J. M., Rodríguez-Moreno, A., & Miledi, R. (2015). Direct evidence for GABAergic activity of Withania somnifera on mammalian ionotropic GABA<sub>A</sub> and GABAρ receptors. Journal of Ethnopharmacology, 171, 264–272.
https://doi.org/10.1016/j.jep.2015.05.058

[7] Bhattacharya, S. K., & Muruganandam, A. V. (2003). Adaptogenic activity of Withania somnifera: An experimental study using a rat model of chronic stress. Pharmacology Biochemistry and Behavior, 75(3), 547–555.
https://doi.org/10.1016/S0091-3057(03)00110-2

[8] National Center for Complementary and Integrative Health. (n.d.). Ashwagandha: Usefulness and safety. National Institutes of Health.
https://www.nccih.nih.gov/health/ashwagandha

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