Ashwagandha Benefits: Uses, Side Effects & How to Take It

Ashwagandha is an Ayurvedic herb traditionally used to support overall wellbeing, energy and resilience. Modern research has mainly explored its potential role in stress management and sleep, while studies have also investigated exercise performance, cognitive function, testosterone, male fertility and metabolic health.

The evidence is promising in some areas but remains limited in others. Ashwagandha should not be considered a cure or replacement for medical treatment. The effects can also vary depending on the type of extract, dosage, duration of use and individual health factors.

What Is Ashwagandha?

Ashwagandha (Withania somnifera), also known as Indian Ginseng or Winter Cherry, is a traditional Ayurvedic herb that has been used for centuries to support overall health and well-being. It is classified as an adaptogen, meaning it may help the body adapt to physical and emotional stress (1).

The plant contains naturally occurring compounds called withanolides, which are believed to contribute to many of its potential health-supporting properties. While it has a long history of traditional use, modern research is still exploring its full range of benefits. 

Ashwagandha Root vs Leaf: What's the Difference?

Ashwagandha supplements may be made from different parts of the plant, including the root, leaves or a combination of both. Traditionally, the root has been one of the most commonly used parts of the herb.

The type of plant material matters because different preparations can contain different concentrations and combinations of naturally occurring compounds. A powdered root and a concentrated extract should not automatically be considered equivalent.

When choosing an Ashwagandha supplement, check the label to see whether it contains root powder, root extract, leaf material or a combination. This information can help you compare products more accurately.

How Does Ashwagandha Work?

Ashwagandha contains naturally occurring compounds, including withanolides, that researchers are investigating for their potential effects on the body's stress response and other biological processes. However, the exact mechanisms and health effects are still being studied.

Active Compounds in Ashwagandha

Ashwagandha contains several naturally occurring plant compounds, including:

• Withanolides

• Alkaloids

• Sitoindosides

• Flavonoids

• Steroidal lactones

Among these, withanolides are some of the most studied compounds in Ashwagandha. Their concentration can vary depending on factors such as the plant part used, growing conditions, extraction process and formulation. Researchers continue to investigate how these compounds may contribute to Ashwagandha's traditional uses and potential health effects (2).

Because different preparations can contain varying amounts of these compounds, supplements should not be compared based solely on the total milligrams of Ashwagandha. When available, information about extract standardisation and withanolide content can provide a clearer picture of the product's composition.

Top Health Benefits of Ashwagandha

1. Ashwagandha for Stress and Cortisol

Stress is one of the most researched modern uses of Ashwagandha. Some human studies suggest that certain Ashwagandha preparations may help reduce perceived stress and may influence cortisol, a hormone involved in the body's stress response (3).

However, results vary between studies and products. Ashwagandha should be viewed as a potential addition to a healthy stress-management routine rather than a replacement for adequate sleep, exercise, a balanced diet or professional support when needed.

2. Ashwagandha for Anxiety

Ashwagandha has also been studied for its potential effects on anxiety and psychological stress. Some early clinical research suggests that certain extracts may help improve measures of stress or anxiety in some people.

However, the evidence is still developing, and Ashwagandha should not be considered a proven treatment for an anxiety disorder. Anyone experiencing persistent anxiety, panic attacks or significant changes in mood should seek appropriate professional support.

3. Ashwagandha for Sleep

Poor sleep can affect physical health, mood, concentration and daily energy. Research has investigated whether Ashwagandha may help support sleep quality and relaxation.

Some studies have reported improvements in certain measures of sleep, particularly in people experiencing sleep difficulties. However, the available evidence remains limited and results may vary.

Ashwagandha should not be considered an immediate sleeping medicine. Maintaining a consistent sleep schedule, reducing late-night screen exposure and addressing underlying causes of poor sleep are also important.

4. Ashwagandha for Energy and Stamina

Ashwagandha has traditionally been used to support strength, vitality and resilience. Modern research has also explored its potential relationship with physical energy, fatigue and exercise-related performance.

Some findings are encouraging, but more research is needed to determine how consistently Ashwagandha affects energy or stamina in different populations.

A balanced diet, regular physical activity, adequate sleep and sufficient recovery remain the foundation of healthy energy levels.

5. Ashwagandha for Exercise, Strength and Recovery

Ashwagandha has attracted interest among athletes and people who exercise regularly. Clinical studies have investigated its potential effects on strength, endurance, exercise performance and recovery, particularly alongside resistance training.

Some research has reported improvements in measures such as strength or physical performance, but results are not consistent enough to guarantee benefits for everyone.

Ashwagandha should be considered a potential supplement alongside progressive training, adequate protein and nutrition, hydration, quality sleep and sufficient recovery (4).

6. Ashwagandha for Memory, Focus and Cognitive Function

Early research has explored whether Ashwagandha may support aspects of cognitive function, including memory, attention, focus and mental performance.

Some studies have reported potential improvements in cognitive measures, but the overall evidence remains limited. More high-quality human research is needed before Ashwagandha can be considered a proven supplement for memory or cognitive health.

If you experience sudden or significant changes in memory, concentration or thinking, seek medical evaluation rather than relying on supplements.

7. Ashwagandha and Testosterone

Ashwagandha has been studied for its potential effects on testosterone and male reproductive health. Some research has reported changes in testosterone levels in particular groups of men.

However, the evidence remains limited and results may depend on factors such as the study population, extract and duration of supplementation.

Ashwagandha should not be considered a proven treatment for clinically low testosterone. Men experiencing symptoms associated with low testosterone should seek appropriate medical evaluation.

8. Ashwagandha and Male Fertility

Some research has investigated Ashwagandha in men experiencing fertility-related concerns. Studies have explored outcomes such as sperm concentration, sperm motility and other semen parameters.

Early findings are interesting, but the evidence is not strong enough to establish Ashwagandha as a treatment for infertility.

Men experiencing difficulty conceiving should consult a healthcare professional for proper fertility assessment rather than relying on supplements alone.

9. Ashwagandha and Blood Sugar

Researchers have investigated whether Ashwagandha may influence blood glucose and other metabolic markers. Early findings suggest that the herb may have effects worth further investigation, but current evidence remains limited.

Ashwagandha should not be used as a replacement for diabetes treatment or prescribed medication.

If you take medication for diabetes or blood sugar management, speak with a doctor or pharmacist before using Ashwagandha.

10. Ashwagandha and Inflammation

Ashwagandha contains naturally occurring compounds that have been investigated for their biological and antioxidant properties. Research has also explored its potential effects on inflammatory markers.

Although these findings are of interest, human evidence remains developing. Ashwagandha should not be promoted as a treatment for inflammatory diseases.

A healthy diet, regular physical activity, adequate sleep and appropriate medical care remain important for supporting overall health.

Common Uses of Ashwagandha

Ashwagandha is commonly used by individuals looking to support:

• Daily stress management

• Better sleep quality

• Mental focus

• Physical performance

• Healthy energy levels

• Overall vitality
  

It is available in several convenient forms, including:

• Capsules

• Tablets

• Powder

• Liquid extracts

• Herbal blends

How to Take Ashwagandha

The right dosage depends on factors such as age, health status, and the specific product being used.

General guidelines include:

• Follow the dosage instructions provided on the product label.

• Follow the product directions consistently and monitor how you respond over time.

• Capsules are usually taken with water after meals.

• Ashwagandha powder can be mixed into warm milk, smoothies, or herbal beverages.

• Taking it in the evening may help support relaxation and sleep, while morning use may better suit those seeking daily stress support.

  
  

Always consult a qualified healthcare professional before beginning any new herbal supplement, especially if you have existing medical conditions.

Clinical studies have commonly evaluated Ashwagandha in doses ranging from 250 mg to 600 mg per day, depending on the extract and intended purpose. Instead of only mentioning 250–600 mg, include a simple reference table.

Purpose	Common Daily Dose
Stress Support	300–600 mg
Sleep Support	300–600 mg
General Wellness	250–500 mg

These amounts reflect doses used in selected clinical studies and should not be interpreted as universal recommended doses. Follow the product label and consult a healthcare professional.

How Long Does Ashwagandha Take to Work?

There is no guaranteed timeframe for experiencing the effects of Ashwagandha. Human studies have generally evaluated its effects over several weeks rather than after a single dose.

Some research has examined Ashwagandha use for approximately six to twelve weeks, particularly for stress and sleep-related outcomes. Individual responses can vary depending on the product, preparation, dosage and reason for use (5).

If you are taking Ashwagandha, focus on the specific reason you are using it and monitor how you respond over time. If you experience unwanted effects or do not notice a meaningful benefit, speak with a healthcare professional about whether continued use is appropriate.

Possible Side Effects of Ashwagandha

Ashwagandha is generally well tolerated when used as directed.

However, some individuals may experience mild side effects, including:

• Upset stomach

• Nausea

• Diarrhea

• Drowsiness

• Digestive discomfort
  

Although uncommon, some cases of liver-related adverse effects have been reported with certain Ashwagandha supplements. Stop using the product and seek medical attention if you experience symptoms such as yellowing of the skin or eyes, dark urine, or persistent abdominal pain. 

Who Should Avoid Ashwagandha?

Ashwagandha may not be suitable for everyone.

Consult your healthcare provider before use if you:

• Are pregnant or breastfeeding

• Have thyroid disorders

• Have autoimmune conditions

• Take medications for diabetes or blood pressure

• Use sedatives or sleep medications

• Have any chronic medical condition

• Have liver disease

• Are scheduled for surgery

• Take immunosuppressant medications
  

Important: Stop using Ashwagandha and consult a healthcare professional immediately if you experience signs of an allergic reaction, severe digestive symptoms, or symptoms that may indicate liver problems, such as yellowing of the skin or eyes, dark urine, or persistent abdominal pain. 

Ashwagandha and Medication Interactions

Ashwagandha may interact with certain medicines or affect how some health conditions are managed.

Extra caution may be needed if you take medicines for:

• Diabetes or blood sugar control

• High blood pressure

• Anxiety or other mental health conditions

• Sleep or sedation

• Seizure disorders

• Thyroid conditions

• Immune-related conditions

If you regularly take prescription or over-the-counter medication, speak with a doctor or pharmacist before starting Ashwagandha. Do not stop or change prescribed medication because of information about an herbal supplement.

Choosing a High-Quality Ashwagandha Supplement

Not all herbal supplements are created equal.

When selecting an Ashwagandha supplement, look for products that offer:

• High-quality herbal ingredients

• Standardized extracts where applicable

• Transparent ingredient labeling

• Good manufacturing practices

• Third-party quality testing whenever possible
  

At Life Aveda, quality and authenticity remain central to every wellness product, helping consumers choose Ayurvedic herbal supplements they can trust.

Lifestyle Tips to Maximize Ashwagandha Benefits

Ashwagandha works best when combined with healthy daily habits, including:

• Eating a balanced diet

• Exercising regularly

• Getting adequate sleep

• Practicing meditation or yoga

• Managing daily stress

• Staying hydrated
  

A holistic lifestyle supports long-term wellness far beyond supplementation alone.

Final Thoughts

Ashwagandha has earned its reputation as one of Ayurveda's most valued herbs for good reason. From supporting stress management and better sleep to promoting energy, cognitive function, and overall vitality, it offers a wide range of wellness benefits when used responsibly.

While Ashwagandha is generally considered safe for most healthy adults, it's important to follow recommended dosages and consult a healthcare professional if you have underlying medical conditions or take prescription medications.

If you choose to use an Ashwagandha supplement, look for products from reputable brands that provide transparent ingredient information and follow quality manufacturing standards. Life Aveda offers Ayurvedic herbal formulations developed with a focus on quality and authenticity.

References 

• Singh, N., Bhalla, M., De Jager, P., & Gilca, M. (2011). An overview on ashwagandha: A rasayana (rejuvenator) of ayurveda. African Journal of Traditional, Complementary and Alternative Medicines, 8(5S). https://doi.org/10.4314/ajtcam.v8i5s.9

• Siva Karthikeyan Singirala, Dubey, P. K., & Roy, S. (2025). Extraction of bioactive compounds from Withania somnifera: The biological activities and potential application in the food industry: A review. International Journal of Food Science, 2025(1). https://doi.org/10.1155/ijfo/9922626

• National Institutes of Health. (2023, October 24). Office of Dietary Supplements - Ashwagandha: Is It Helpful for stress, anxiety, or sleep? Ods.Od.Nih.Gov. https://ods.od.nih.gov/factsheets/Ashwagandha-HealthProfessional/

  
  

• Bonilla, D. A., Moreno, Y., Gho, C., Petro, J. L., Odriozola-Martínez, A., & Kreider, R. B. (2021). Effects of ashwagandha (withania somnifera) on physical performance: Systematic review and bayesian meta-analysis. Journal of Functional Morphology and Kinesiology, 6(1), 20. https://doi.org/10.3390/jfmk6010020

  
  

• Mikulska, P., Malinowska, M., Ignacyk, M., Szustowski, P., Nowak, J., Pesta, K., Szeląg, M., Szklanny, D., Judasz, E., Kaczmarek, G., Ejiohuo, O. P., Paczkowska-Walendowska, M., Gościniak, A., & Cielecka-Piontek, J. (2023). Ashwagandha (withania somnifera)—Current research on the health-promoting activities: A narrative review. Pharmaceutics, 15(4), 1057. https://doi.org/10.3390/pharmaceutics15041057

  
  

Disclaimer

This article is intended for informational and educational purposes only and should not be considered medical advice. Herbal supplements are not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare professional before starting any new dietary supplement, particularly if you are pregnant, breastfeeding, have a medical condition, or take prescription medications.

Frequently Asked Questions

Can I take Ashwagandha every day?

Some studies have evaluated daily Ashwagandha use for several weeks. However, information about long-term use is more limited. Follow the product label and consult a healthcare professional before prolonged use, especially if you have a medical condition or take medication.

Is Ashwagandha safe?

Ashwagandha may be well tolerated by many healthy adults when used as directed, but side effects and interactions can occur. Rare liver-related problems have also been reported. People with medical conditions or those taking medication should consult a healthcare professional before use.

Does Ashwagandha help with stress?

Some research suggests that certain Ashwagandha preparations may help reduce perceived stress and may affect cortisol levels. However, results vary between studies, and Ashwagandha should not replace established approaches to managing ongoing or severe stress.

Does Ashwagandha help with sleep?

Some clinical research suggests that Ashwagandha may support certain aspects of sleep quality, particularly in people experiencing sleep difficulties. However, evidence is still developing, and it should not be considered a substitute for addressing underlying sleep problems.

Does Ashwagandha increase testosterone?

Some studies have reported changes in testosterone levels in particular groups of men. However, the evidence remains limited, and Ashwagandha is not established as a treatment for clinically low testosterone.

Can Ashwagandha interact with medications?

Yes. Ashwagandha may interact with some medicines. Consult your doctor or pharmacist before use.