At a glance
Ashwagandha supplements, widely available as root powders and extracts, are often used to support emotional well-being, sleep quality, and hormonal balance. Because ashwagandha formulations vary in concentrations and delivery formats, understanding the differences is key to choosing an option that best suits your health goals and wellness routine.
Ashwagandha is an adaptogenic herb traditionally used to support the body’s stress resistance, mood stability, and balanced hormone levels.
Discover how ashwagandha supplements can promote emotional well-being, and learn what to consider when choosing the right product for your needs.
What is ashwagandha, and what does it do?
Withania somnifera, commonly known as ashwagandha, is an ancient herb commonly used in traditional Ayurvedic medicine, a millennia-old Indian practice.
It’s classified as an adaptogen, a broad category of botanicals believed to strengthen the body’s ability to adapt to physical, mental, and environmental stressors.
Ashwagandha has been investigated for its potential effects on the stress-response system, particularly the hypothalamic-pituitary-adrenal (HPA) axis, which helps regulate and balance cortisol, the body’s primary stress hormone.
Cortisol regulates a wide range of stress-related pathways that can influence body composition, metabolic processes, hormonal balance, and cognitive function.
Ashwagandha is a rich source of various bioactive compounds, including withanolides and alkaloids, that are linked to various functional properties and a supportive role in physiological balance.
Because of its properties, ashwagandha is often used to support emotional well-being, promote calm and steady moods, and enhance overall stress resistance.
Ashwagandha may also enhance sleep quality and support reproductive health due to its potential benefits for maintaining hormonal balance.
What forms of ashwagandha are used in supplements?
Ashwagandha supplements are available in several forms, each differing in processing method and the concentration of active compounds.
Most supplements are derived from the ashwagandha root, though certain formulations also incorporate the leaf to achieve higher concentrations of certain compounds.
Here are three common ashwagandha forms.
1. Root powders
Whole root powder is made by drying and grinding ashwagandha roots. This form retains the plant’s natural mix of compounds and is often used in traditional ashwagandha preparations or powdered blends.
Ashwagandha root powder supplements are commonly available in loose powder or encapsulated forms.
2. Extracts
Ashwagandha root extract is made by using water, alcohol, or a combination of solvents to extract bioactive compounds from the root.
This process concentrates the herb’s beneficial components, allowing for smaller doses than powdered forms. Ashwagandha extracts can be incorporated into various forms of supplementation, including capsules, tablets, liquids, and chewables.
3. Standardized extracts
Standardized ashwagandha root extract undergoes additional quality controls to provide a consistent percentage of withanolides, supporting potency and uniformity across batches. These extracts are typically used in products designed for consistent or long-term supplementation.
All forms of ashwagandha can be taken with or without food. However, it’s generally recommended to take it with a meal, as this may help reduce digestive discomfort and enhance absorption.
How much ashwagandha do supplements typically provide?
Ashwagandha doses can vary considerably, though most dietary supplements fall within a consistent per-serving range depending on the extract type and formulation.
Whole root powder typically provides between 300 and 1000 mg per serving, with some products containing as much as 2000 mg.
Many extracts are standardized to 2.5 to 10 percent withanolides, meaning the manufacturer controls each batch to ensure consistent levels of these active compounds. These extracts usually provide between 250 and 600 mg of root extract per serving and aim to deliver a consistent withanolide content.
In contrast, nonstandardized liquid extracts and tinctures may indicate a withanolide content ranging from 1.5 percent to 10 percent or more. However, they’re not actively monitored or adjusted for consistency, and potency can vary from batch to batch.
Products containing nonstandardized extracts may provide the equivalent of 300 to 1000 mg of dried root per serving.
Chewable tablets or gummies usually contain lower doses, typically 125 to 250 mg of extract per serving, due to size limitations and ashwagandha’s somewhat bitter taste.
How to choose an ashwagandha supplement
The best ashwagandha supplement for you largely depends on your goals and personal preferences.
Whole root powders may be a good choice for those who prefer a traditional, whole-plant approach, as they preserve the broad spectrum of naturally occurring compounds found in this medicinal herb.
Root extracts are more concentrated and typically provide smaller, more consistent servings. Many high-quality products are standardized to a specific percentage of withanolides, helping ensure predictable levels of active compounds.
“Because each form has its own unique qualities, certain ashwagandha supplements contain both root powder and extract,” explains Dr. Berg. “This offers a broader profile of whole-root constituents along with the concentrated withanolide content of an extract.”
Additionally, consider the delivery format. Ashwagandha root capsules and tablets offer convenience, while loose powders allow flexible dosing and mixing into beverages. Liquid tinctures and chewables may be preferable for those who dislike swallowing pills.
Finally, review the added ingredients. Some products include complementary botanicals for stress and sleep support, or black pepper extract to aid absorption, while others are designed as standalone supplements containing single-ingredient formulas.
Checking for artificial fillers, added sugar, or common allergens such as gluten, soy, and dairy can also help ensure the product fits your dietary needs, sensitivities, and health goals.
Who should be cautious with ashwagandha supplementation?
While ashwagandha is generally considered safe for adults when used as directed, it may not be suitable for everyone.
Women who are pregnant or breastfeeding and men with hormone-sensitive prostate cancer or other endocrine-related conditions should avoid ashwagandha, as its effects are unknown.
Those with generalized anxiety disorder or other chronic mental health conditions should avoid self-treatment with any herbal supplement and instead consult a doctor to identify appropriate mood and anxiety treatments.
Additionally, research published by the National Center for Complementary and Integrative Health (NCCIH) found that ashwagandha may interact with certain pharmaceuticals, including thyroid hormone medications, as immunomodulators, as well as medications for high blood pressure and diabetes management.
Those with existing liver conditions or people taking medications that impact liver function should also use ashwagandha cautiously.
A study published in the International Journal of Environmental Research and Public Health found that, in rare cases, ashwagandha-induced liver injury can occur due to excessive or improper use.
Key takeaways
- Ashwagandha is an adaptogenic herb traditionally used to strengthen the body’s response to physical and mental stress, promote stable moods, and support hormonal balance.
- Supplements most commonly use ashwagandha root in whole root powder, extracts, or standardized extracts.
- Ashwagandha supplements are available in capsules, tablets, loose powders, liquid tinctures, and chewables, offering flexibility and convenience.
- When choosing a product, consider its form, delivery format, added ingredients, and label transparency, and consult a healthcare provider if you have medical conditions or are taking medication.
