Key takeaways
- There's no single best time. Studies have used morning, evening and twice-daily doses.
- Many people take it in the evening as part of a wind-down routine, or split it morning and evening.
- Taking it with food can help avoid stomach upset.
- UK food safety advisers have raised cautions. Avoid it in pregnancy and check with your GP if you have a thyroid or liver condition or take medication.
In this guide
How studies have given ashwagandha
Ashwagandha (Withania somnifera) is a traditional Ayurvedic herb. KSM-66 is a branded root extract used in many trials.
Trials have used different timings: some gave a single daily dose, others split it into a morning and evening dose. Many ran for around 8 weeks. That suggests regular, consistent use matters more than the exact time of day.
Good to know: ashwagandha is a botanical, so it has no authorised health claims in the UK. Our ashwagandha guide covers the research in more detail.
Morning vs evening: how to choose
| Morning | Evening | |
|---|---|---|
| Fits if | You take other supplements with breakfast | You like an evening wind-down routine |
| Watch out for | Some people feel drowsy | Taking it on an empty stomach late at night |
| In blends | Daytime adaptogen blends | Night-time formulas with chamomile or tart cherry |
If you're new to it, an evening dose with dinner is an easy start. If you notice drowsiness, keep it in the evening.
With food or without?
Some people get an upset stomach, diarrhoea or nausea with ashwagandha. Taking it with a meal is a simple way to reduce that.
In Ramadan, take it at iftar or suhoor, never during fasting hours.
Safety: what UK regulators say
The UK's Committee on Toxicity (which advises the Food Standards Agency) has reviewed ashwagandha safety. Avoid it or speak to your GP first if you:
- Are pregnant, trying to conceive or breastfeeding
- Have a thyroid condition or take thyroid medication
- Have liver problems; rare cases of liver injury have been reported
- Have an autoimmune condition
- Take sedatives, diabetes or blood pressure medication, or immunosuppressants
- Have surgery planned
Stop and see your GP if you notice yellowing skin or eyes, dark urine or unusual tiredness.
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Shop BioSnooze →Questions people ask
Is it better to take ashwagandha at night?
Many people prefer the evening, especially in night-time blends. Studies have used both morning and evening doses.
How long does ashwagandha take to work?
Many studies ran for around 8 weeks. It's not a quick fix.
Can I take ashwagandha every day?
Follow the label and don't exceed the stated dose. If you take it long-term or have a health condition, check with your GP.
Can I take ashwagandha with coffee?
There's no known reason not to, but if you take it to wind down, keep caffeine earlier in the day.
Is ashwagandha halal?
It's a plant root, so it's halal in itself. Check the capsule and look for a halal approval.
Sources: Committee on Toxicity (COT) · GB NHC register
This article is general information, not medical advice. Food supplements should not replace a varied, balanced diet and healthy lifestyle. Speak to your GP before taking ashwagandha if you have a medical condition or take medication.
