Does Rhodiola help energy / fatigue? (Grade C evidence)
For energy / fatigue, Rhodiola sits at Grade C — a hint of benefit in limited trials, low certainty, at doses not specified.
Exact question reviewed
- Population
- not reported
- Intervention
- Rhodiola
- Comparator
- not reported
- Outcome
- energy / fatigue
- Time horizon
- not reported
Bottom line. For energy / fatigue, Rhodiola sits at Grade C — a hint of benefit in limited trials, low certainty, at doses not specified. [1 RCT]
- Direction
- benefit
- Magnitude
- small reductions in fatigue in stressed adults; studies are short and small
- Grade
- C
- Certainty
- low
- Clinical meaning
- small but potentially useful
- Who it applies to
- —
- Dose / form studied
- not reported
- Safety
- uncertain_with_ssri
- The one limitation
- Claim-specific limitation details are not available in this public record.
Reviewed · Evidence last changed · Claim clm_ec_rhodiola_energy v0
⚠ Safety in context
- uncertainwith SSRI: Rhodiola may have mild serotonergic activity; evidence with SSRIs is thin — treat as cautionary. full interaction →
Grade C / low: hints of benefit in small trials; a well-run RCT could easily push this to B or to null.
Who it works for
The studied population is not reported in this public record.
Evidence
| Study | Design | Role | Cite |
|---|---|---|---|
| The Effectiveness of Rhodiola rosea L. Preparations in Alleviating Various Aspects of Life-Stress Symptoms and Stress-Induced Conditions | peer-reviewed | not classified | PMID:35745023 |
Why this grade
Reasoning trace
The current record stores Grade C at low 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_rhodiola_energy
- Claim version
- not reported
- Governance
- legacy, not verified
- Last evidence search
- not reported
- Last editorial review
- 2026-07-16T04:25:46.418Z
People say · Evidence shows
“Rhodiola eliminates fatigue”
Evidence: Grade C — small reductions in fatigue in stressed adults; studies are short and small.
How it stacks up for energy / fatigue
- Rhodiola vs Caffeine for energy / fatigue — Caffeine Grade B
- Rhodiola vs CoQ10 for energy / fatigue — CoQ10 Grade C
- Rhodiola vs Creatine for energy / fatigue — Creatine Grade C
- Rhodiola vs Iron for energy / fatigue — Iron Grade A
- Rhodiola vs Vitamin B12 for energy / fatigue — Vitamin B12 Grade C
- Rhodiola vs Ashwagandha for energy / fatigue — Ashwagandha Grade B
- All interventions graded for energy / fatigue →
Grade history
- C → CCorrection by Claude (gold-standard provenance sweep): live Postgres source drift replaced with the verified seed source set [pmid-35745023] details →
Re-review cadence: every 6 months (Grade C+) · next scheduled by · methodology v1.
Frequently asked
How long does Rhodiola take to work for energy / fatigue?
Trials of Rhodiola for energy / fatigue 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 Rhodiola for energy / fatigue?
Studied doses for Rhodiola in energy / fatigue trials cluster around a moderate daily dose. See the dose block for the specific range and how it varies by form.
Does Rhodiola work for energy / fatigue if I'm not deficient?
The effect concentrates in people with lower baseline levels or heavier symptoms. If your baseline is normal, expect a smaller effect than the trial averages.
Rhodiola or the next-best alternative for energy / fatigue?
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
What this is — and is not
- Evidence description
- small reductions in fatigue in stressed adults; studies are short and small
- Substrate's interpretation
- The current reviewed record assigns Grade C at low 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 Rhodiola help energy / fatigue? (Grade C). https://evidencebased.info/interventions/rhodiola/energy. Updated 2026-07-16.
BibTeX
@misc{substrate_ntionsrhodiolaenergy,
author = {Substrate editorial},
title = {Does Rhodiola help energy / fatigue?},
year = {2026},
url = {https://evidencebased.info/interventions/rhodiola/energy},
note = {Grade C, evidencebased.info}
}Found something wrong on this page? Report an error →