
© Freepik
February 24, 2026
Birgitta Dunckel
Ashwagandha for stress or sleep problems? Here you will find scientifically oriented dosage recommendations for powders and extracts, tips for taking it (morning/evening), and what to watch out for.
Ashwagandha is one of the most well-known plants in traditional Ayurvedic health teachings. The winter cherry, botanically called Withania somnifera, has been used in India for over 3000 years to support the body and mind and is considered one of the most important adaptogens in Ayurvedic medicine.
Adaptogens are plant substances that are supposed to help the organism better cope with stress, by promoting physical and mental adaptability. Currently, Ashwagandha is experiencing a strong resurgence as the winter cherry is often mentioned in connection with stress, sleep quality, and emotional balance.
The main active ingredients of the plant are so-called withanolides, which are mainly found in the root and can affect various body systems.
Here you will find out how Ashwagandha can be dosed, when its intake is sensible, and which form of administration is suitable for which situation.
Ashwagandha is available in different forms, each with its own advantages and disadvantages. The choice depends on whether you prefer a more traditional application or if convenience, taste, and precise dosage are more important.
Powder is the most traditional form. It mixes well into warm drinks, smoothies, or foods and has an earthy, slightly bitter taste. Since powder is less concentrated, a higher amount is needed compared to extracts.
Advantages:
Disadvantages:
Extracts have a significantly higher concentration of active ingredients, which means smaller milligram amounts are often sufficient. They are considered a modern and particularly effective form, as they are often standardized to a specific withanolide content.
Benefits:
Disadvantages:
Capsules are the most practical and tasteless form. They can contain either powder or extract. Many products are standardized to ensure a consistent content of withanolides.
Advantages:
Disadvantages:
The appropriate dosage depends heavily on the form of administration and the specific product. Each form has a different concentration, so the recommended amounts vary significantly. Too little can be ineffective, too much increases the risk of unwanted effects.
Typical guidance ranges for adults with healthy organ functions are:
These figures are general guidelines. Products differ in quality, extraction methods, and active ingredient content, so the manufacturer's recommendations should always be carefully observed. Many people start with a lower dose and gradually increase to observe individual tolerance and effect.
Important: The withanolides are the main active ingredients of Ashwagandha. The higher the standardized withanolide content, the lower the total amount required can be.
Depending on the standardization, the following guidelines often apply:
The exact amount should always be adjusted to the manufacturer's specifications and personal perception.
For non-standardized root powder, the following amounts are typically mentioned:
The effect of Ashwagandha does not usually occur immediately but develops gradually. Many users report initial changes after one to two weeks, with more noticeable effects often perceived after about four to six weeks.
Ashwagandha thus differs from substances that become active immediately. Its properties build up more gently and unfold especially when the preparation is taken consistently and regularly. Irregular intake may result in significantly weaker effects or none at all.
The right time to take it depends on your goals and individual response.
Intake in the evening:
Many people prefer taking it in the evening when rest and relaxation are the focus. Taking it later in the day can help to "switch off" better after a demanding day and unwind.
Intake in the morning:
Those who want to use Ashwagandha to support emotional balance and stability throughout the day often choose the morning. Taking it before the day begins can help face challenges more calmly.
Split dosage:
Some users opt for a split intake – morning and evening – to achieve a more consistent availability throughout the day.
Which option fits best usually becomes clear after a few days to weeks. Pay attention to your body feelings, sleep quality, and daily form to find the ideal rhythm.
Ashwagandha products should always include a package insert or dosage recommendations. These notes are important because concentration, extraction methods, and the root-to-extract ratio can vary greatly.
Typical information includes:
The extract ratio plays a central role: A 10:1 extract means that 1 g of extract is obtained from 10 g of root. As a result, a seemingly small mg amount can still possess high efficacy. The package insert helps you interpret the manufacturer's recommendation correctly and choose an appropriate amount.
For people using Ashwagandha for the first time, the following steps have proven effective:
A gentle start makes it easier to find the right dosage and realistically assess the effects.
Week 1–2: Acclimation phase
Week 3–4: Adjustment phase
from week 5: maintenance dose
Like any effective natural product, Ashwagandha can also cause side effects, especially at higher doses or individual sensitivity. Possible reactions can include gastrointestinal complaints, fatigue, or headaches.
People with existing conditions – especially thyroid diseases, autoimmune diseases, or certain mental illnesses – should clarify the intake medically beforehand. The same applies to the simultaneous intake of medication to exclude possible interactions.
Children, pregnant and breastfeeding women should not take Ashwagandha as a precaution unless explicitly recommended by a doctor.
Anyone who wants to try Ashwagandha should pay attention to high-quality, ideally standardized extracts and, if in doubt, consult a doctor or alternative practitioner.
How much Ashwagandha per day is healthy?
For beginners: 300 mg extract (5% Withanolides). Standard: 500-600 mg. For sleep problems up to 1200 mg – always clarify with a doctor.
In the evening for better sleep, in the morning for daily balance. Split dose (morning+evening) for constant effect over 24h.
Initial effects after 1-2 weeks, full effect after 4-6 weeks of consistent intake. Sleep improvement usually noticeable first.
6-12 weeks intake, then 1-2 weeks break. Long-term data limited – regular breaks recommended.
Caution with: Thyroid medications, blood pressure reducers, insulin, sedatives. Always consult a doctor!
1. Extract (standardized): Highest efficacy, precise dosing
2. Capsules: Convenient, tasteless
3. Powder: Traditional, but higher dose needed (3-5g)
Pregnant women, nursing mothers, children, those with autoimmune diseases, hyperthyroidism. If taking medication: consult a doctor