What is Ashwagandha Root Extract?

Ashwagandha Root Extract is a concentrated preparation of Withania somnifera root used as an adaptogenic herbal supplement. It is commonly taken to support stress resilience, sleep quality, and physical performance.

What are the main benefits of Ashwagandha Root Extract?

It is best known for reducing perceived stress and supporting calmer mood, often alongside lower cortisol. It may also improve sleep quality and support strength or performance in some people.

What is a typical dose of Ashwagandha Root Extract?

Common supplemental dosing is 300–600 mg per day of Ashwagandha Root Extract. Product potency varies, so follow the label and consider starting at the lower end.

How long does Ashwagandha Root Extract take to work?

Some people notice changes in stress or sleep within a few weeks, while others may need longer. Consistent daily use is typically needed to assess effects.

Who should avoid Ashwagandha Root Extract or use caution?

People who are pregnant or breastfeeding, have thyroid conditions, autoimmune disease, or are taking sedatives or other medications should consult a clinician first. Stop use and seek medical advice if you develop concerning symptoms or an allergic reaction.

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Ashwagandha Root
Extract

Moderate study situation·7/10

A higher score indicates better study conditions, but not necessarily effectiveness.

Ashwagandha root extract is an adaptogenic herbal supplement shown to reduce stress, improve sleep, and support physical performance.

Sleep Improvement Testosterone Booster Stress Relief Exercise Performance Muscle Gain Anxiety Relief

dose range

300–600 mg

Divided into 1–2 daily doses, often morning and/or pre-sleep.

Consumption

Take with food or milk to minimize potential gastrointestinal discomfort. Most clinical trials use standardized extracts (5% withanolides).

Not fat-soluble.

Best time

Morning or pre-sleep dosing is common; take consistently for several weeks to assess benefit.

Description

Ashwagandha (Withania somnifera) is a traditional Ayurvedic root extract used for its stress-relieving, adaptogenic, and restorative effects. Modern clinical studies support its benefits for stress reduction, sleep quality, and some aspects of athletic performance.

benefits

Main effects with level of evidence

Moderate

Note on evidence

There are several well-conducted randomized, placebo-controlled trials for stress, anxiety, sleep, and physical performance, but evidence in other areas is less robust.

Stress and Anxiety Reduction

Strong

Ashwagandha supplementation reliably lowers perceived stress and cortisol levels, and can reduce symptoms of anxiety.

Particularly relevant for: Individuals experiencing chronic stress · Adults with mild to moderate anxiety

S1 · PubMed (Cortisol and stress reduction RCT)S5 · Examine.com Ashwagandha Summary S8 · Frontiers in Nutrition review 2021

Improved Sleep Quality

Moderate

Ashwagandha helps improve sleep onset, duration, and self-reported sleep quality, especially in people experiencing insomnia or stress.

Particularly relevant for: Individuals with difficulty sleeping · People under stress

S2 · PubMed (Sleep quality clinical study)S5 · Examine.com Ashwagandha Summary S8 · Frontiers in Nutrition review 2021

Enhanced Physical Performance and Testosterone

Moderate

Supplementation may increase muscle strength, size, and circulating testosterone, especially in resistance-trained males.

Particularly relevant for: Men undergoing strength training · Active adults

S3 · PubMed (Physical performance and testosterone study)S8 · Frontiers in Nutrition review 2021

Safety & Information

Important safety information & known risks

For educational purposes only • not medical advice

Generally well-tolerated; primary risks are for individuals with autoimmune conditions, pregnancy, or when combined with certain medications.

warning notices

Mild gastrointestinal upset may occur, especially at higher doses.
Rare allergic reactions have been reported.
Long-term safety data in healthy individuals is limited.
Avoid use during pregnancy due to potential abortifacient effects.
Do not use if you have an autoimmune disease unless under specialist supervision.
Consult a healthcare professional before use if taking thyroid medications, immunosuppressants, or sedatives.
Monitor thyroid function if using alongside thyroid hormone therapy.
Stop use and consult a physician if experiencing allergic or hypersensitivity reactions.

Known interactions with medications