Does Ashwagandha help mood? (Grade B evidence)

Explore current source-reported research for this exact question. These records are separate from the synthesis below; they do not update its grade or establish a recommendation.

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 SR/meta]

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 not reported · Evidence last changed 2026-07-16 · Open evidence record (version 0)

⚠ Safety in context

moderatewith SSRI: Ashwagandha with an SSRI may carry additive sedative/serotonergic risk; evidence is limited. full interaction →

Grade

what does the grade mean?

Certainty

moderate

what does certainty mean?

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
Clinician review: Not yet reviewed by a licensed clinician
Last evidence search: not reported
Last editorial review: not verified

Public receipt · Machine-readable claim · Methodology

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). Methodology v1.

Re-review cadence: every 12 months (Grade A/B) · methodology v1.

Frequently asked

How long does Ashwagandha take to work for mood?

This record does not report a studied onset time for Ashwagandha and mood. Do not assume a typical timeframe.

What dose was used in studies of Ashwagandha for mood?

The recorded studied dose for Ashwagandha and mood is dose-dependent; higher doses associated with greater stress reduction. This is a source detail, not a dose recommendation.

Does Ashwagandha work for mood if I'm not deficient?

The recorded studied population is adults. This field alone does not show whether deficiency or baseline status changes the effect.

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.

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}
}

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Current source-reported research

Membership uses admitted intervention and measured-outcome associations for this exact question. Different populations, preparations, comparators and timepoints remain separate. No pooling or update to the synthesis is asserted.