Ashwagandha Tea – The Ancient Remedy for Stress, Sleep, and Low Energy

Ashwagandha has been used in Ayurvedic medicine for over 3,000 years. It is classified as a rasayana, a rejuvenating herb meant to promote physical vitality, mental clarity, and longevity, and it holds one of the most prominent positions in the entire Ayurvedic pharmacopoeia. For most of that history, it was consumed as a prepared drink: the root simmered in milk or water, blended with honey and warming spices, and taken daily as a tonic rather than as an acute remedy.

What is striking about ashwagandha is how well the traditional use has held up under modern clinical scrutiny. Unlike many herbs that have centuries of traditional use but limited modern research, ashwagandha has been the subject of dozens of well-designed human clinical trials over the past two decades. The results consistently support what Ayurvedic practitioners observed empirically: this plant meaningfully reduces the physiological markers of stress, improves sleep quality, supports thyroid function, and enhances physical and cognitive performance under conditions of fatigue and overload.

This guide covers what ashwagandha tea is, what the research actually shows, how to prepare it correctly for different goals, what to combine it with, dosage guidance, and the important contraindications that most general articles leave out.

What Ashwagandha Is

Ashwagandha (Withania somnifera) is a small shrubby perennial in the nightshade family (Solanaceae), native to the dry regions of India, North Africa, and the Mediterranean. The plant’s name in Sanskrit translates roughly to “smell of horse,” referring to the strong earthy odor of the root and the traditional belief that consuming it imparts the strength and vitality of a horse. The species name somnifera means “sleep-inducing” in Latin, pointing to one of its most well-documented properties.

The root is the primary medicinal part. It contains a complex of compounds called withanolides, which are steroidal lactones unique to the Withania genus. These compounds, along with alkaloids, saponins, and iron, are responsible for ashwagandha’s adaptogenic properties. An adaptogen is a substance that helps the body resist physical and psychological stress by modulating the hypothalamic-pituitary-adrenal (HPA) axis, the system that governs the stress response, rather than by directly sedating or stimulating any single system.

According to the National Institutes of Health National Center for Complementary and Integrative Health, ashwagandha is among the most studied Ayurvedic herbs in Western research settings and has a growing evidence base for several of its traditional applications. The quality of that evidence varies by condition, with stress and anxiety reduction having the strongest support and other applications having more preliminary data.

What the Research Shows: Benefits with Evidence

Stress and anxiety reduction

This is ashwagandha’s most studied and best-supported application. Multiple randomized controlled trials have documented significant reductions in perceived stress and anxiety scores in adults taking standardized ashwagandha root extract compared to placebo. The mechanism involves reduction of serum cortisol, the primary stress hormone produced by the adrenal glands in response to HPA axis activation.

A double-blind randomized controlled trial published in the Indian Journal of Psychological Medicine found that adults taking 300mg of standardized ashwagandha root extract twice daily for 60 days showed a 44 percent reduction in stress scores and a 27.9 percent reduction in serum cortisol compared to a placebo group. These are clinically significant numbers, not statistical noise.

The effect is not sedation. People taking ashwagandha do not report feeling drugged or slowed. The typical description is a reduction in the background hum of stress and reactivity, with mental clarity intact. This is consistent with how an adaptogen is theoretically supposed to work: not pushing the system in one direction but helping it return to equilibrium more efficiently.

Related: Homemade Anti-Anxiety Coffee

Sleep quality

Ashwagandha’s species name somnifera reflects traditional knowledge that the plant promotes sleep, and clinical research has now documented this effect with some precision. A double-blind placebo-controlled study published in PLOS ONE found that adults taking ashwagandha root extract showed significant improvements in sleep onset latency (time to fall asleep), total sleep time, sleep efficiency, and waking after sleep onset compared to placebo after eight weeks of use.

The sleep-promoting mechanism appears to be partly mediated by the compound triethylene glycol found in ashwagandha leaves, and partly by the reduction in cortisol and HPA axis hyperactivation that prevents sleep onset in chronically stressed individuals. Unlike sedative herbs such as valerian, which work primarily through direct GABA modulation, ashwagandha appears to improve sleep by addressing the stress physiology that was disrupting it in the first place.

Related: Deep Sleep Elixir

Thyroid and energy

Ashwagandha has demonstrated thyroid-stimulating activity in clinical research, specifically supporting the conversion of T4 (inactive thyroid hormone) to T3 (active thyroid hormone) and promoting overall thyroid function in individuals with subclinical hypothyroidism. A study published in the Journal of Alternative and Complementary Medicine found that adults with subclinical hypothyroidism taking ashwagandha root extract for eight weeks showed significant improvements in serum T3, T4, and TSH levels compared to placebo.

This has direct implications for energy, since thyroid function is a primary regulator of metabolic rate, body temperature, and the subjective experience of fatigue. Many people who describe feeling chronically tired, cold, mentally foggy, and unable to sustain physical effort despite adequate sleep are functioning with suboptimal thyroid activity. Ashwagandha’s thyroid-supporting properties make it particularly relevant for this population.

For the same reason, people with hyperthyroidism or those taking thyroid medication should not use ashwagandha without medical supervision, as it may potentiate thyroid activity beyond the desired range.

Physical performance and muscle recovery

Several clinical trials have documented ashwagandha’s effects on physical performance metrics. A study published in the Journal of the International Society of Sports Nutrition found that healthy adults taking ashwagandha root extract for eight weeks showed significantly greater improvements in muscle strength, muscle recovery, and VO2 max compared to a placebo group undertaking the same resistance training program. The proposed mechanism involves reduction of exercise-induced cortisol elevation and oxidative stress.

This application has moved ashwagandha into the sports nutrition market, where it is increasingly used as a natural alternative to more aggressive performance supplements. For everyday users, the practical effect is improved resilience to physical demands and faster recovery from exertion rather than dramatic athletic enhancement.

Cognitive function and memory

Ashwagandha has a documented history of use in Ayurvedic medicine for enhancing memory and cognitive function (medhya rasayana), and recent clinical research has begun to support this. A double-blind placebo-controlled study published in the Journal of Dietary Supplements found significant improvements in immediate and general memory, executive function, sustained attention, and information processing speed in healthy adults taking ashwagandha root extract compared to placebo after eight weeks.

The cognitive effects are thought to be secondary to stress reduction and improved sleep quality, both of which have profound effects on memory consolidation and executive function, rather than a direct nootropic mechanism. Regardless of mechanism, the functional outcomes for people dealing with stress-related cognitive impairment are meaningful.

Related: 2-Ingredient Memory Booster

How to Make Ashwagandha Tea

Ashwagandha root can be prepared in several ways, each with slightly different characteristics in terms of active compound extraction, flavor, and practical use. The traditional Ayurvedic preparation is a milk decoction called ashwagandha ksheerapaka, but water-based preparations are effective and more suitable for people avoiding dairy.

Basic ashwagandha root decoction

Ingredients: 1 teaspoon of dried ashwagandha root powder or 2 teaspoons of dried chopped root pieces, 2 cups of water, honey to taste, a pinch of black pepper (optional but recommended).
Method: combine ashwagandha root and water in a small saucepan. Bring to a boil, then reduce to a simmer. Simmer uncovered for 15 to 20 minutes, allowing the liquid to reduce by roughly one-third. Strain through a fine mesh strainer or cheesecloth into a mug. Add honey to taste after cooling slightly. The flavor is earthy, slightly bitter, and distinctly medicinal. Black pepper added during simmering enhances absorption of withanolides through the same mechanism it enhances curcumin absorption from turmeric.

Drink one cup per day, preferably in the evening, as ashwagandha’s cortisol-modulating effects tend to support sleep when taken in the later part of the day.

Ashwagandha golden milk tea

Ingredients: 1 teaspoon ashwagandha root powder, 1 cup whole milk or full-fat plant milk, 1/2 teaspoon turmeric powder, 1/4 teaspoon cinnamon, a pinch of black pepper, a pinch of cardamom, 1 teaspoon honey or raw sugar.
Method: combine all ingredients except honey in a small saucepan. Whisk together and heat over medium heat, stirring constantly, until just below a simmer. Do not boil. Remove from heat, add honey, stir, and pour into a mug. This is the closest approximation to the traditional Ayurvedic milk preparation and is one of the most palatable ways to take ashwagandha daily. The fat in the milk enhances absorption of fat-soluble withanolides. Turmeric and black pepper add their own anti-inflammatory benefits.

This preparation is particularly suited for evening use: warm, calming, and nutritive. It works well as a replacement for a late-night snack or as a wind-down ritual.

Ashwagandha chai blend

Ingredients: 1 teaspoon ashwagandha root powder, 1 cup water, 1/2 cup milk or plant milk, 1/2 teaspoon ginger (fresh grated or dried powder), 1/4 teaspoon cinnamon, 2 to 3 green cardamom pods lightly crushed, 2 whole cloves, 1 teaspoon honey.
Method: simmer ashwagandha root, water, and spices together for 15 minutes. Add milk and bring just to a simmer. Strain into a mug and sweeten with honey. This chai-style preparation makes ashwagandha’s bitter earthiness enjoyable by embedding it in familiar warming spice notes. It is suitable for morning or midday use when you want the adaptogenic benefit without the specifically sleep-promoting effect.

Cold ashwagandha preparation

For people who find hot preparations impractical, ashwagandha powder can be stirred into a smoothie, blended into a banana and almond milk base, or dissolved in warm water with honey and taken quickly. The cold extraction method is less efficient for water-soluble compounds than decoction, but the withanolides in ashwagandha are extracted reasonably well at cooler temperatures. Palatability in a cold preparation is improved by combining with strong-flavored ingredients: cocoa powder, banana, dates, or cinnamon all mask the earthy bitterness effectively.

Dosage: How Much and How Often

Dosage in the clinical literature varies by preparation and condition. The following ranges reflect the doses used in the clinical trials with the strongest evidence:

Standardized root extract (capsule, typically 5% withanolides): 300 to 600mg per day, taken in one or two divided doses. This is the form used in most clinical trials and allows precise dosage control
Dried root powder (tea or decoction): 3 to 6 grams per day, which equals approximately 1 to 2 teaspoons. The decoction is less concentrated per gram than standardized extract but is the traditional preparation with the longest track record
Root pieces (whole dried root): 6 to 12 grams per day for a decoction, using 2 to 3 teaspoons of dried pieces per cup and simmering for at least 15 to 20 minutes

The timing question is worth addressing specifically. For stress and anxiety reduction, twice-daily dosing (morning and evening) is most effective. For sleep specifically, a single evening dose produces the best results. For physical performance, dosing around training sessions has been used in sports research. For general daily tonic use in the traditional sense, a single morning or evening cup is the most practical approach.

Consistent daily use over four to eight weeks produces meaningfully better results than occasional use. Ashwagandha is a tonic herb: its effects accumulate over time rather than producing an immediate acute response. Expect the first two weeks to produce subtle effects, with more pronounced changes becoming apparent between weeks four and eight.

Ashwagandha Tea Blends: What to Combine It With

For stress and anxiety: ashwagandha and holy basil (tulsi)

Holy basil (Ocimum tenuiflorum) is another Ayurvedic adaptogen with strong evidence for cortisol reduction and HPA axis modulation. Combining ashwagandha and tulsi creates a complementary adaptogenic blend that addresses stress through overlapping but distinct mechanisms. Brew one teaspoon of each as a combined decoction or steep dried tulsi leaves as a base and whisk ashwagandha powder into the finished tea.

For sleep: ashwagandha and passionflower or valerian

Adding passionflower or valerian root to an evening ashwagandha preparation enhances the sleep-promoting effect through complementary mechanisms: ashwagandha reduces cortisol and HPA hyperactivation while passionflower and valerian both directly modulate GABA activity to reduce neural excitation. This combination is particularly effective for people whose sleep difficulties are driven by an inability to mentally disengage from stress at night.

For energy and focus: ashwagandha and ginger

Ginger adds circulatory stimulation and warming energy to ashwagandha’s adaptogenic base without competing with its cortisol-modulating effects. This combination is well-suited to morning use for people who want sustained energy without the cortisol spike and crash associated with stimulants. Simmer both together: one teaspoon ashwagandha root powder and one tablespoon of freshly grated ginger in two cups of water for fifteen minutes.

For thyroid support: ashwagandha and bladderwrack

For people specifically interested in thyroid support, combining ashwagandha with bladderwrack (Fucus vesiculosus), a seaweed rich in iodine and other thyroid-supportive minerals, addresses thyroid function from two complementary angles. This combination is specifically appropriate only for people with confirmed hypothyroidism or subclinical hypothyroidism and should not be used by people with normal thyroid function or any form of hyperthyroidism.

Making Ashwagandha Palatable: Flavor Notes and Tips

The most common barrier to consistent ashwagandha tea use is the taste. The root has a strong, earthy, slightly bitter flavor with horse-barn undertones that some people find off-putting. Several approaches make it significantly more enjoyable:

Honey: adds sweetness that counters bitterness. Raw honey added after the tea cools slightly is the most traditional and effective sweetener for ashwagandha preparations
Cinnamon: the warm sweetness of cinnamon complements ashwagandha’s earthiness better than almost any other spice. Add generously
Cardamom: lifts the heavy earthiness of the root with a bright, aromatic note. Two or three crushed pods per cup is sufficient
Full-fat milk or coconut milk: the creaminess and fat content both soften the flavor and improve active compound absorption
Cocoa powder: in a cold preparation or smoothie, a tablespoon of cocoa powder almost completely masks ashwagandha’s flavor while adding its own beneficial compounds
Vanilla extract: a few drops added after straining round out the flavor and reduce the perception of bitterness

The most effective single approach for palatability is the golden milk preparation described above: the combination of milk fat, cinnamon, cardamom, and honey turns ashwagandha from a medicine you endure into a drink you look forward to.

Growing Your Own Ashwagandha

Ashwagandha grows readily in USDA zones 8 through 11 as a perennial, and in zones 5 through 7 as an annual that can produce a harvestable root in a single growing season. It prefers well-drained sandy or loamy soil, full sun, and low to moderate water. It is notably drought-tolerant once established and does poorly in wet, heavy clay soil or overwatered conditions.

Start seeds indoors 6 to 8 weeks before the last frost date, or direct sow after the last frost in warm climates. Germination occurs at 70 to 75 degrees Fahrenheit within 14 to 21 days. The plant grows to 2 to 4 feet tall in its first year, producing small greenish-yellow flowers followed by orange-red berries enclosed in papery husks. The root is harvested in fall of the first year for annuals, or in the second or third year for perennials in warm climates, when the root has developed sufficient size and withanolide concentration.

According to North Carolina State University Extension, ashwagandha roots harvested in fall from plants that experienced some drought stress during the growing season have higher withanolide concentration than roots from well-watered plants, consistent with the general principle that mild stress increases secondary compound production in medicinal plants.

Wash and scrub harvested roots, slice thinly, and dry at 95 to 100 degrees Fahrenheit in a dehydrator until completely hard and brittle. Store dried root in an airtight glass container away from heat and light. Properly dried and stored ashwagandha root maintains potency for 2 to 3 years.

Warnings and Contraindications

Pregnancy: ashwagandha is contraindicated in pregnancy. It has historically been used to induce uterine contractions and has demonstrated abortifacient activity in animal studies. Do not use during pregnancy under any circumstances
Thyroid conditions and medications: ashwagandha stimulates thyroid function. People with hyperthyroidism or Graves’ disease should not use it. People taking thyroid hormone replacement therapy should consult their physician before use, as ashwagandha may alter the required dose
Autoimmune conditions: as an immune-modulating herb, ashwagandha may stimulate immune activity in ways that are counterproductive in autoimmune conditions including rheumatoid arthritis, lupus, multiple sclerosis, and Hashimoto’s thyroiditis. Use with caution and physician supervision in these conditions
Sedative medications: ashwagandha has additive sedative effects with benzodiazepines, barbiturates, and other CNS depressants. Do not combine without medical supervision
Nightshade sensitivity: ashwagandha is in the Solanaceae (nightshade) family. People with nightshade sensitivities or allergies may react to it
Surgery: discontinue ashwagandha at least two weeks before scheduled surgery, as it may potentiate the effects of anesthesia
Digestive sensitivity: in some individuals, particularly at high doses, ashwagandha causes nausea, diarrhea, or stomach upset. Taking it with food or milk reduces this risk. If gastrointestinal symptoms persist, reduce the dose or discontinue

Most People Have Forgotten How to Use Herbs Like This

For most of human history, people did not reach for synthetic sleep aids, anti-anxiety medications, or stimulant-heavy energy drinks every time stress and exhaustion took over. They turned to plants. And many of those remedies worked far better than modern people realize.

Ashwagandha is only one example.

Forgotten Home Apothecary documents hundreds of traditional herbal remedies once used by families to support sleep, stress, immunity, digestion, pain relief, respiratory health, and long-term resilience using plants that could be grown, gathered, dried, and prepared at home.

What makes the book valuable is not just the recipes themselves. It explains how ordinary people used herbs before modern pharmacies existed, including teas, tinctures, poultices, salves, syrups, and tonics that have largely disappeared from modern knowledge.

If you want to build a real home herbal medicine cabinet and preserve the practical knowledge previous generations depended on, Forgotten Home Apothecary is one of the best resources available today!

Final Thoughts

Ashwagandha tea is one of the few herbal preparations where the traditional use, the mechanism of action, and the clinical outcomes all point in the same direction. Three thousand years of Ayurvedic practice said this plant reduces stress, improves sleep, and supports vitality. Modern clinical trials said yes, and here is specifically why and how.

That convergence is worth paying attention to. Most herbs have some clinical support and considerable traditional use. Ashwagandha has both in unusual depth, particularly for stress reduction and sleep improvement, which are arguably the two most pressing health needs in contemporary life.

Drink it in the evening. Make it consistently for four to eight weeks before evaluating. Blend it with milk, honey, and cinnamon if the flavor is a barrier. Let the plant do what it has been doing for three thousand years.