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Last update: December 26, 2024

Ashwagandha: The Complete Guide

Discover the ancient secrets of Ashwagandha, a cornerstone of traditional medicine renowned for its stress-relieving qualities. Explore its benefits in this complete guide.

Stephanie Wright

By Stephanie Wright, RN, BSN

Edited by Dr. Dimitar Marinov, MD, RDN, PhD

Learn more about our editorial standards

Key takeaways

  • Ashwagandha is an ancient herb and powerful adaptogen with a long history of traditional use in Ayurvedic medicine
  • The potential benefits of ashwagandha include regulating mood and anxiety, boosting performance, and improving sleep
  • Ashwagandha supplements are available in tablets, capsules, powder extracts, and liquid extracts
  • Children and those pregnant or nursing should avoid taking ashwagandha

    What is ashwagandha?

    Ashwagandha, scientifically known as Withania somnifera, is a vital herb in traditional Ayurvedic medicine and has been revered for centuries. This shrub, native to the drier regions of India, the Middle East, and some parts of Africa, is characterized by its small yellow flowers and oval-shaped leaves.

    The roots of Ashwagandha, known for their medicinal properties, are dried and ground into a powder to create extracts. These extracts are then utilized in various forms, such as capsules, tablets, tinctures, and teas.

    Ashwagandha is celebrated for its adaptogenic properties, aiding the body in stress management [1]. Its potential benefits extend to supporting brain function [2], lowering blood sugar [3] and cortisol levels [4], and assisting in combating symptoms of anxiety and depression.

    An herb of many names

    Don't get confused by its various aliases. Ashwagandha, scientifically known as Withania somnifera, is also fondly referred to as 'Winter Cherry' and 'Indian Ginseng.'

    How does ashwagandha work in your body?

    • Ashwagandha is taken orally, typically as a powder or capsule.
    • The active components, primarily withanolides, are absorbed in the intestines.
    • After absorption, withanolides enter the bloodstream and circulate throughout the body.
    • These components interact with key brain receptors, such as those for GABA, enhancing GABAergic activity to promote relaxation and reduce anxiety.
    • Ashwagandha influences the hypothalamic-pituitary-adrenal axis, helping to regulate cortisol levels, which aids stress response and can improve energy and mood.
    • The compounds of Ashwagandha are metabolized in the liver, undergoing various biochemical transformations.
    • Metabolized compounds are primarily excreted through urine, with some components also eliminated via feces or bile.
    • Some metabolites may be recycled in the body for further biochemical reactions before final excretion.

    What are some benefits of ashwagandha?

    Known as an adaptogenic herb, ashwagandha may help your body “adapt” to different forms of stress.

    1. Helps reduce stress and anxiety

      Clinical studies show that ashwagandha can reduce symptoms of stress and anxiety, as well as improve cognitive function. A study published in the journal Current Neuropharmacology found it reduced cortisol levels, a hormone released during times of stress. This means it can help your body respond better to stressful situations.

    2. Improves memory, focus, and concentration

      Ashwagandha may even significantly improve memory, focus, and concentration and reduce fatigue.

    3. May help reduce inflammation

      In addition to its benefits for cognitive function and mental health, ashwagandha may also help reduce inflammation and improve your physical health [5].

    4. Promotes restful sleep

      The importance of sleep cannot be understated. Studies have found that ashwagandha has a significant effect on improving sleep.

    Ashwagandha supplement formulations

    Delivery methods

    Ashwagandha supplements come in various delivery methods, each offering its own set of benefits and ways of consumption. Here's a brief overview of the different delivery methods:

    Capsules are a convenient and easy-to-swallow delivery method for supplements that provide a pre-measured dose. They are particularly beneficial for individuals who may not enjoy the taste of the supplement in its natural form or when taken as a powder or liquid. Capsules are also portable and discreet, making them easy to take while traveling or on the go.

    One of the main advantages of capsules is that they eliminate the need for measuring doses, which can be time-consuming and may lead to inconsistencies in dosage. The pre-measured nature of capsules ensures that the individual takes the same amount each time, making it easier to monitor and maintain a consistent supplementation routine.

    Tablets are a convenient and easy-to-swallow form of supplement that offers a pre-measured dose. They eliminate the need for measuring, making them ideal for those who find measuring doses inconvenient. Tablets are also portable and discreet, allowing for easy consumption on the go.

    One of the main benefits of tablets is their ease of use. They can be quickly swallowed with water, making them a simple and efficient way to incorporate supplements into a daily routine.

    Soft gels are a type of capsule that contains a liquid form of the vitamin or supplement. They are easy to swallow and provide a pre-measured dose. Soft gels are known for their fast absorption rate, as the liquid content is quickly released and absorbed by the body.

    This delivery method is particularly beneficial for individuals who have difficulty absorbing nutrients from traditional pills. Soft gels are also easy to digest and gentle on the stomach, making them a good choice for those with sensitive digestive systems. However, it's important to store soft gels properly, as they are more susceptible to degradation from heat and light compared to other delivery methods.

    Chewable supplements are a convenient and enjoyable delivery method, particularly for those who have difficulty swallowing pills. They come in various flavors, making them more palatable and easier to consume. Chewables are often formulated to provide a pre-measured dose, ensuring consistent intake.

    Chewable supplements are a good option for children or adults who prefer a tasty alternative to traditional pills. However, some chewable supplements may contain added sugars or artificial flavors, so it's essential to read the ingredient list carefully and choose a reputable brand.

    Powdered vitamins and supplements offer versatility in consumption. They can be easily mixed into various beverages or foods, such as smoothies, juices, or yogurt, allowing for customization based on individual taste preferences. Powders also allow for flexible dosing, enabling individuals to adjust the amount consumed according to their needs or as directed by a healthcare professional.

    However, measuring the correct dose of powdered supplements requires the use of a scoop or scale, which may be less convenient compared to pre-measured options like tablets or capsules.

    Liquid extracts are a concentrated form of a supplement that offer fast absorption and flexible dosing. The liquid form allows for quick absorption into the bloodstream, potentially leading to faster effects compared to capsules or tablets. The dropper enables precise dosage adjustments, making it easier to tailor the amount consumed to individual needs or as directed by a healthcare professional.

    Liquid extracts may also provide enhanced bioavailability, as some may contain additional compounds or solvents that improve the absorption and utilization of the active ingredients in the body. However, they may have a strong taste that some individuals find unpleasant, and they require careful attention to dosage to avoid consuming too much of the supplement.

    Proper storage is essential to maintain the quality and potency of liquid extracts, as exposure to light, heat, or air can degrade the active ingredients over time.

    Choose a method that fits your routine

    Do not overlook the delivery method. Ashwagandha supplements come in tablets, capsules, soft gel, chewable, powders, and liquid forms—choose the one that best fits your daily routine to stay consistent.

    What to look for in ashwagandha supplements

    When selecting a supplement, several key factors must be considered to ensure you choose a high-quality product that effectively supports your health goals and overall well-being.

    • Dosage and potency

      The dosage of ashwagandha in supplements varies, so it's important to choose one that aligns with your specific needs. This includes considering your age, gender, and health status, like pregnancy or existing deficiencies. The ashwagandha formulation can impact its potency and bioavailability, which affects how effectively your body can absorb and use it.

    • Quantity and delivery method

      The delivery method is crucial. Ashwagandha supplements come in various forms, including tablets, capsules, powders, chewables, and liquid forms. Your choice may depend on factors like ease of swallowing, convenience for traveling, or personal preference regarding taste and texture. Also, evaluate the quantity of ashwagandha to determine how long it will last based on your daily requirements.

    • Quality and manufacturing

      Quality is paramount when selecting ashwagandha supplements. Look for products manufactured under strict quality control guidelines and those that have undergone third-party testing for purity and label accuracy. Certifications from recognized bodies can be a reliable indicator of a high-quality product. Additionally, consider the manufacturer's reputation and transparency in their production processes.

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    How and when should you take ashwagandha for maximum absorption?

    To get the most out of your ashwagandha supplement, it's crucial to consider the timing and method of consumption. The following dos and don'ts offer guidance on optimizing absorption, efficiently supporting your health and wellness, and minimizing potential discomfort.

    Do’s

    • icon

      Like with any supplement, take it with milk or food to avoid stomach upset.

    • icon

      Speak with your doctor before you start taking any supplements since they can interact with the other medications you are taking.

    Don’ts

    • icon

      Avoid taking on an empty stomach to prevent gastric discomfort.

    • icon

      Do not mix with sedatives to avoid enhanced sedative effects.

    • icon

      Avoid taking simultaneously with other medications to prevent interactions; consult a healthcare provider.

    • icon

      Be cautious with immunosuppressants, anticoagulants, thyroid medications, antihypertensive drugs, and diabetes medications; consult a healthcare professional for advice.

    Who should take ashwagandha?

    Taking ashwagandha supplements has its potential benefits, but it may not be for everyone.

    • People Who Want to Enhance Their Well-being: Ideal for healthy adults looking to improve their overall health and well-being.
    • Individuals Experiencing Stress and Fatigue: Beneficial for those dealing with stress and fatigue.
    • Those Seeking Cognitive Function Improvement: Helps improve cognitive function and memory.

    Those who are pregnant: Ashwagandha is not recommended for those who are pregnant or breastfeeding[7].

    Those taking immunosuppressants: According to the National Center for Complementary and Integrative Health, ashwagandha has moderate interactions with immunosuppressants, sedative medications, antihypertensive drugs, and medications for diabetes[8].

    Children: Ashwagandha is not recommended for children.

    Recommended dosage

    The recommended daily ashwagandha intake varies depending on age, sex, and specific life stages or conditions. Here are the recommended dosages for ashwagandha across various age groups.

    • Due to the lack of sufficient research, the use of ashwagandha in infants and children is not recommended. If considered necessary, it should only be used under the guidance of a healthcare provider.

    Teens

    • Teens (14–17 years): Specific dosage not established. While some sources might recommend lower adult dosages, there is limited research on ashwagandha effects in teenagers. Use in this age group should be under medical supervision.

    Adults

    • Adults (18 years and older): Several studies have found benefits with dosages around 500 to 600 mg/day[1].
    • Pregnant Women: ashwagandha should be avoided during pregnancy and should not be used while breastfeeding. There is a lack of research for its safety in these groups.

    Side effects of excessive ashwagandha consumption

    While ashwagandha is renowned for its health benefits, it's important to be aware of its potential side effects:

    • Digestive Issues: Ashwagandha may cause digestive problems like stomach discomfort, diarrhea, or nausea. Rarely, some researchers have reported cases of liver injury that may be linked to Ashwagandha supplementation.
    • Sleepiness and Drowsiness: This herb can induce sleepiness or drowsiness. Caution is needed when driving or operating machinery.
    • Headaches: Some users might experience headaches. Monitoring and adjusting the dosage is crucial. Persistent headaches require consultation with a healthcare professional.
    • Allergic Reactions: Symptoms like skin rash, itching, or difficulty breathing may indicate an allergic reaction. Discontinue use and seek medical advice if these occur.

    Always consult your doctor

    If you're experiencing side effects, consult your healthcare provider. They may recommend a different ashwagandha formulation or adjust your dosage. Balancing your ashwagandha with any discomfort is crucial and should not be overlooked.

    Health made easy: your go-to resource for essential vitamins and supplements


    Frequently asked questions about ashwagandha (FAQ)

    Our library of expert-authored articles covers just about every question you might have about vitamins, minerals, and supplements — along with some you might not have known you had.

    Ashwagandha is generally safe for vegetarians and vegans. Many ashwagandha supplements available on the market are specifically designed to be compatible with vegetarian and vegan diets. These supplements often use plant-based capsules instead of gelatin and ensure that the ashwagandha itself is sourced and processed in a way that aligns with vegan and vegetarian principles. However, if you’re vegan, it is recommended to double check what the capsule is made of, just to be sure.

    Yes. As long as you take the correct daily dose, you can take it every day for up to three months and achieve many benefits for men and women. If you plan to take it daily, you must have the right dosage to prevent any potential side effects. Remember that you will need to check with your healthcare provider to determine if consuming ashwagandha interacts with any of your medications [10].

    Ashwagandha may support weight loss indirectly by reducing stress and cortisol levels, which can affect weight gain. It has adaptogenic properties that help the body manage stress. Lowering cortisol can reduce appetite and cravings for unhealthy foods. Additionally, its antioxidant effects might improve overall health and metabolism, aiding fat burning. However, Ashwagandha should be part of a broader weight loss strategy that includes diet and exercise, not a standalone treatment.

    You can take your ashwagandha at any time of day, depending on your desired routine. For example, if you're an athlete supplementing it to help with exercise recovery, then you may want to include it as part of your post-workout routine to get those benefits. On the other hand, if you're taking it to lower your stress levels and improve your quality of sleep, then you may want to take it at night as part of your nighttime routine. How you incorporate this herbal supplement into your day is entirely up to you. What's most important is the quality of the ashwagandha product as opposed to when it's taken. This ensures you get all the benefits ashwagandha offers for both men and women.

    Ashwagandha should be kept in a cool, dry environment, away from direct sunlight and excessive moisture. In addition, ashwagandha supplements must be stored at optimal conditions to ensure their effectiveness; this includes avoiding high temperatures and humidity and keeping them secured and out of reach of children and animals for safety reasons.

    Yes. When this herbal supplement is taken regularly, the natural compounds in the ashwagandha root may improve sleep quality and sleep onset latency [10]. Ashwagandha has other great benefits as well. This adaptogen is a great stress reliever and can help promote calm by boosting the neurotransmitter GABA. Apart from taking ashwagandha for stress relief, it may also be great for exercise performance.

    The suitability of taking Ashwagandha on an empty stomach varies among individuals. Some may experience discomfort and prefer taking it with food, while others might not have any issues. This depends on personal digestive sensitivity and the form of Ashwagandha.

    This medicinal herb can help you reduce stress levels, boost your mood, promote a sense of calmness, and reduce feelings of fatigue. But you must find the best ashwagandha product to feel its balancing effects and achieve your desired results.

    Ashwagandha is generally safe for vegetarians and vegans. Many ashwagandha supplements available on the market are specifically designed to be compatible with vegetarian and vegan diets. These supplements often use plant-based capsules instead of gelatin and ensure that the ashwagandha itself is sourced and processed in a way that aligns with vegan and vegetarian principles. However, if you’re vegan, it is recommended to double check what the capsule is made of, just to be sure.

    Ashwagandha should be kept in a cool, dry environment, away from direct sunlight and excessive moisture. In addition, ashwagandha supplements must be stored at optimal conditions to ensure their effectiveness; this includes avoiding high temperatures and humidity and keeping them secured and out of reach of children and animals for safety reasons.

    Yes. As long as you take the correct daily dose, you can take it every day for up to three months and achieve many benefits for men and women. If you plan to take it daily, you must have the right dosage to prevent any potential side effects. Remember that you will need to check with your healthcare provider to determine if consuming ashwagandha interacts with any of your medications [10].

    Yes. When this herbal supplement is taken regularly, the natural compounds in the ashwagandha root may improve sleep quality and sleep onset latency [10]. Ashwagandha has other great benefits as well. This adaptogen is a great stress reliever and can help promote calm by boosting the neurotransmitter GABA. Apart from taking ashwagandha for stress relief, it may also be great for exercise performance.

    Ashwagandha may support weight loss indirectly by reducing stress and cortisol levels, which can affect weight gain. It has adaptogenic properties that help the body manage stress. Lowering cortisol can reduce appetite and cravings for unhealthy foods. Additionally, its antioxidant effects might improve overall health and metabolism, aiding fat burning. However, Ashwagandha should be part of a broader weight loss strategy that includes diet and exercise, not a standalone treatment.

    The suitability of taking Ashwagandha on an empty stomach varies among individuals. Some may experience discomfort and prefer taking it with food, while others might not have any issues. This depends on personal digestive sensitivity and the form of Ashwagandha.

    You can take your ashwagandha at any time of day, depending on your desired routine. For example, if you're an athlete supplementing it to help with exercise recovery, then you may want to include it as part of your post-workout routine to get those benefits. On the other hand, if you're taking it to lower your stress levels and improve your quality of sleep, then you may want to take it at night as part of your nighttime routine. How you incorporate this herbal supplement into your day is entirely up to you. What's most important is the quality of the ashwagandha product as opposed to when it's taken. This ensures you get all the benefits ashwagandha offers for both men and women.

    This medicinal herb can help you reduce stress levels, boost your mood, promote a sense of calmness, and reduce feelings of fatigue. But you must find the best ashwagandha product to feel its balancing effects and achieve your desired results.

    Final thoughts

    Ashwagandha is an herbal remedy used in Ayurvedic medicine. It's a powerful adaptogen that can help reduce stress and anxiety, improve cognitive activity and memory, and boost the immune system. Ashwagandha also has powerful anti-inflammatory and antioxidant properties that can help protect against various diseases and conditions and improve physical performance.

    Sources and references

    1. Effects of Withania somnifera (Ashwagandha) on Stress and the Stress-Related Neuropsychiatric Disorders Anxiety, Depression, and Insomnia - PMC
    2. Ashwagandha in brain disorders: A review of recent developments - ScienceDirect
    3. Benefits of Ashwagandha and How Much To Take – Cleveland Clinic
    4. Effects of Ashwagandha (Withania somnifera) on Physical Performance: Systematic Review and Bayesian Meta-Analysis
    5. Ashwagandha: A Review of Clinical Use and Efficacy
    6. Ashwagandha | NCCIH
    7. Randomized, Double Blind, Placebo Controlled, Clinical Trial to Study Ashwagandha Administration in Participants Vaccinated Against COVID-19 on Safety, Immunogenicity, and Protection With COVID-19 Vaccine–A Study Protocol
    8. Ashwagandha: Is it helpful for stress, anxiety, or sleep? - Health Professional Fact Sheet

    Author

    Stephanie Wright avatar

    Stephanie brings over 13 years of diverse nursing experience to the table, having honed her expertise in critical care, mental health, and utilization management. Her journey as a registered nurse across these various healthcare sectors underscores her adaptability and deep commitment to patient care.

    Fact checker

    Dr. Dimitar Marinov avatar

    Dr. Marinov has years of experience in scientific research and preventive and clinical medicine. His publications in peer-reviewed journals are on nutritional status, physical activity, and musculoskeletal disorders among adolescents.

    At VitaRx, we're not just passionate about our work — we take immense pride in it. Our dedicated team of writers diligently follows strict editorial standards, ensuring that every piece of content we publish is accurate, current, and highly valuable. We don't just strive for quality; we aim for excellence.


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    Ashwagandha: The Complete Guide (Dosage, Benefits, Side Effects, & More)