Does Ashwagandha help mood? (Grade B evidence)
For mood, Ashwagandha carries Grade B evidence: probably helps, moderate certainty, especially in adults; effect size may shrink with better trials. Dose range dose-dependent; higher doses associated with greater stress reduction.
Exact question reviewed
- Population
- adults
- Intervention
- Ashwagandha · dose-dependent; higher doses associated with greater stress reduction
- Comparator
- not reported
- Outcome
- mood
- Time horizon
- not reported
Bottom line. For mood, Ashwagandha carries Grade B evidence: probably helps, moderate certainty, especially in adults; effect size may shrink with better trials. Dose range dose-dependent; higher doses associated with greater stress reduction. [1 RCT]
- Direction
- benefit
- Magnitude
- Meta-analysis of 22 studies: ashwagandha supplementation significantly reduced stress, depression, and anxiety scores versus control, with a dose-response relationship observed for stress. One of the more consistent mental-health signals in the ashwagandha literature, though study quality and dosing vary.
- Grade
- B
- Certainty
- moderate
- Clinical meaning
- small but potentially useful
- Who it applies to
- adults
- Dose / form studied
- dose-dependent; higher doses associated with greater stress reduction
- Safety
- moderate_with_ssri
- The one limitation
- Claim-specific limitation details are not available in this public record.
Reviewed · Evidence last changed · Claim clm_ec_b9-ash-mood v0
⚠ Safety in context
- moderatewith SSRI: Ashwagandha with an SSRI may carry additive sedative/serotonergic risk; evidence is limited. full interaction →
Grade B / moderate: probably helps, and new studies are unlikely to reverse this — but could shrink the effect size.
Who it works for
Best-studied in adults. Recorded studied dose: dose-dependent; higher doses associated with greater stress reduction.
Evidence
| Study | Design | Role | Cite |
|---|---|---|---|
| Effects of ashwagandha (Withania somnifera) on mental health in adults: A systematic review and dose-response meta-analysis of randomized controlled trials. | peer-reviewed | supports | PMID:41644067 |
Why this grade
Reasoning trace
The current record stores Grade B at moderate certainty and links 1 publishable source. A claim-specific domain-by-domain grading rationale is not available in this public record, so no reason for upgrading or downgrading is inferred here.
Audit and version
- Claim ID
- ec_b9-ash-mood
- Claim version
- not reported
- Governance
- legacy, not verified
- Last evidence search
- not reported
- Last editorial review
- 2026-07-16T16:40:49.911Z
Dose & form
Studied intake: dose-dependent; higher doses associated with greater stress reduction.
How it stacks up for mood
- Ashwagandha vs Vitamin D for mood — Vitamin D Grade C
- Ashwagandha vs St. John's Wort for mood — St. John's Wort Grade B
- Ashwagandha vs 5-HTP for mood — 5-HTP Grade C
- Ashwagandha vs N-Acetylcysteine for mood — N-Acetylcysteine Grade C
- Ashwagandha vs Saffron for mood — Saffron Grade B
- Ashwagandha vs Folate for mood — Folate Grade —
- All interventions graded for mood →
Grade history
No grade changes yet. Initial grade assigned; re-reviewed on every 12 months (Grade A/B) — next review by . Methodology v1.
Re-review cadence: every 12 months (Grade A/B) · next scheduled by · methodology v1.
Frequently asked
How long does Ashwagandha take to work for mood?
Trials of Ashwagandha for mood typically report effects within 2–4 weeks, though individual response varies. Studies rarely find benefit inside 1 week for chronic outcomes.
What dose was used in studies of Ashwagandha for mood?
Studied doses for Ashwagandha in mood trials cluster around dose-dependent; higher doses associated with greater stress reduction. See the dose block for the specific range and how it varies by form.
Does Ashwagandha work for mood if I'm not deficient?
The effect concentrates in adults. If your baseline is normal, expect a smaller effect than the trial averages.
Ashwagandha or the next-best alternative for mood?
See the compare block above for the head-to-head with the most-cited alternative. Grade + certainty differences matter more than any single trial.
Related
- Ashwagandha for sleep — Grade C
- Ashwagandha for stress — Grade C
- Ashwagandha for strength — Grade B
- Ashwagandha for energy / fatigue — Grade B
- Ashwagandha for cognition — Grade C
- Ashwagandha for testosterone / hormone levels — Grade D
- Full profile: Ashwagandha
- Is Ashwagandha hype?
- Everything graded for mood
- Ashwagandha with SSRI
What this is — and is not
- Evidence description
- Meta-analysis of 22 studies: ashwagandha supplementation significantly reduced stress, depression, and anxiety scores versus control, with a dose-response relationship observed for stress. One of the more consistent mental-health signals in the ashwagandha literature, though study quality and dosing vary.
- Substrate's interpretation
- The current reviewed record assigns Grade B at moderate certainty. A domain-by-domain rationale is shown only when recorded.
- Discuss with a clinician
- If you're on medication or have a condition that changes the calculus, bring the interaction & population blocks above to your pharmacist or prescriber before deciding.
- Individualized medical advice
- Not provided here or on any Substrate surface (API, agent tool, embed) — see YMYL policy.
Cite this page
Citation is encouraged. The proposed reuse license is CC-BY-4.0; status: pending-governance-ratification.
Plain-text citation
Substrate. Does Ashwagandha help mood? (Grade B). https://evidencebased.info/interventions/ashwagandha/mood. Updated 2026-07-16.
BibTeX
@misc{substrate_tionsashwagandhamood,
author = {Substrate editorial},
title = {Does Ashwagandha help mood?},
year = {2026},
url = {https://evidencebased.info/interventions/ashwagandha/mood},
note = {Grade B, evidencebased.info}
}Found something wrong on this page? Report an error →