Ashvagandha
Ashvagandha (Withania somnifera 250/500 mg) — adaptogenic herbal extract for subjective stress, sleep and vitality. modest RCT evidence — adjunct only, not a primary therapy.
✓ Medisch beoordeeld door Morgan Ellis — Apotheekonderzoeker · 8 jaar ervaring · Laatst beoordeeld: mei 2026
⚡ Snel antwoord
Ashvagandha (Withania somnifera root extract 250 / 500 mg root extract) is an Ayurvedic adaptogenic herbal supplement traditionally used for stress, sleep, and general vitality. Modern small RCTs suggest a modest benefit for stress and subjective sleep — not a substitute for prescription antidepressants or hypnotics in diagnosed disease.
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Ashwagandha is a traditional Ayurvedic herb with modest modern trial evidence for stress and subjective sleep quality. It is not a substitute for SSRIs/SNRIs in major depression, for benzodiazepines or buspirone in diagnosed anxiety disorder, or for sleep hygiene plus appropriate hypnotic in chronic insomnia. If symptoms persist beyond 6–8 weeks, see a clinician.
What Ashvagandha is and how it might work
Ashvagandha is a 250 / 500 mg root extract Withania somnifera root extract supplied by Himalaya. Ashwagandha (also called Indian ginseng of winter cherry) is an adaptogenic herb used in Ayurvedic medicine for over 3,000 years. The active constituents are withanolides — steroidal lactones with weak GABAergic activity, antioxidant action, and modulating effects on the HPA axis (the body’s stress-response circuit).
Modern small RCTs (Chandrasekhar 2012, Lopresti 2019, others) suggest moderate reductions in subjective stress scores, salivary cortisol, and self-rated sleep quality — but trial sizes are small (40–125 patients), follow-up is short (60–90 days), and effect sizes are modest. The herbal-supplement evidence base is far behind the SSRI evidence base.
Indicaties en dosering
| Gebruik | Typical dose | Opmerkingen |
|---|---|---|
| General stress / vitality | 300–600 mg/day extract | Look for standardised withanolide content (≥ 5%) |
| Subjective sleep quality | 300 mg HS | Some evidence in modern RCTs |
| Anxiety adjunct (off-label) | 500–600 mg/day in 2 doses | Not a substitute for SSRI in diagnosed GAD |
| Athletic recovery / fatigue | 500 mg/day | Mixed evidence |
Take with food. Allow 4–8 weeks for subjective effects to develop.
Belangrijke veiligheidsoverwegingen
Ashwagandha has historical Ayurvedic use as an abortifacient at high doses. Avoid in pregnancy. Insufficient data in lactation — generally avoided.
Ashwagandha can raise T3/T4 levels — useful in subclinical hypothyroidism but problematic in hyperthyroidism, Graves’ disease, and when on levothyroxine (can raise the effective dose). Check TSH if symptoms suggest thyroid imbalance.
Ashwagandha is an immunomodulator and may worsen autoimmune flare in lupus, RA, MS, Hashimoto’s. Avoid or use cautiously.
Mild GABAergic action — additive sedation when combined.
Rare cases of cholestatic hepatitis have been reported with high-dose ashwagandha. Stop and seek medical advice if jaundice, dark urine, or RUQ pain develop.
Veelvoorkomende bijwerkingen
- Mild GI upset (stomach pain, loose stools, nausea) — most common; usually resolves with food and dose reduction.
- Drowsiness — particularly at high doses or in combination with sedatives.
- Headache — occasional.
- Allergic reactions (rare).
When this is the right thing — and when it is not
Ashwagandha is reasonable as an adjunct to good sleep hygiene, exercise, and stress-management practice in patients with mild, situational stress and short-term insomnia. It is niet a substitute for: SSRI/SNRI in major depressive disorder, buspirone or SSRI in generalised anxiety disorder, CBT-I and appropriate hypnotic in chronic insomnia, or a clinician’s evaluation in any psychiatric symptom that persists more than a few weeks.
Opslag
Store in a cool, dry place, away from direct sunlight, in original packaging.
Veelgestelde vragen
Does ashwagandha actually work?
Modern RCTs suggest modest benefit for subjective stress, salivary cortisol, and sleep quality. The effect size is real but small — and the trial evidence is far weaker than for prescription antidepressants or hypnotics. Treat ashwagandha as a low-cost low-risk adjunct, not as a substitute for proven therapy.
How long until Ashvagandha works?
Most published RCTs show benefit at 60–90 days of consistent use. Allow at least 4–8 weeks before judging response. If symptoms are worsening at any point, see a clinician.
Can I take Ashvagandha with my SSRI?
Generally yes, but raise it with the prescriber. There is no defined drug interaction, but combining herbal sedatives with an SSRI in patients with diagnosed anxiety/depression is best done with clinician awareness.
Is Ashvagandha safe in pregnancy?
No — historical use as an abortifacient and limited modern safety data mean ashwagandha should be avoided in pregnancy and breastfeeding.
Can Ashvagandha affect my thyroid?
Yes — it can raise T3/T4 levels modestly. If you take levothyroxine for hypothyroidism, talk to your prescriber before starting; you may need a TSH check after a few weeks. If you have hyperthyroidism or Graves’ disease, avoid.
Will Ashvagandha make me drowsy?
Mild sedation is reported, particularly at higher doses. Take HS rather than morning if sedation is unwanted during the day.
Can children take Ashvagandha?
Paediatric use is described in Ayurvedic tradition but not well-characterised in modern trials. Avoid in children under 12 unless under supervision.
Will Ashvagandha help with anxiety?
Some patients report subjective anxiety reduction over weeks of use. The effect is small and slower than buspirone or SSRI. Useful as an adjunct, not as a substitute in diagnosed anxiety disorder.
Can Ashvagandha cause liver damage?
Rare cases of cholestatic hepatitis have been reported. The risk is uncommon but real. Stop immediately if jaundice, dark urine, or RUQ pain appear.
Should I take Ashvagandha every day or PRN?
Daily use is the typical pattern in trials and traditional use. Adaptogenic effects build over weeks. PRN use produces no immediate effect.
Andere medicijnen voor geestelijke gezondheid
- Busiron (Buspirone — anxiolytic with evidence)
- Lexaheal (Escitalopram SSRI)
- Mirtaz (Mirtazapine — depression with sleep)
- Agoprex (Agomelatine — circadian melatonergic)
- Tetrafol (L-Methylfolate — augmentation)
Meer opties in Mentale Gezondheid en Psychiatrische Medicatie
Gerangschikt op recente bestelvolumes van MedsBase — wat andere klanten in deze categorie kiezen.
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