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Creatine vs Turmeric for mood: which has better evidence?

A tie on evidence grade for mood (Creatine Grade C vs Turmeric Grade C). For mood, the two are evidence-matched; the difference is in effect and safety.

Reviewed by Substrate editorial, Independent research collective ·

Platform evidence comparison

These existing platform assessments are separate from the source-reported findings below. They do not represent a direct trial comparing these treatments.

CreatineTurmeric
Gradegrade Cgrade C
Certaintylowlow
Effectemerging evidence as an adjunct for depressive symptoms; trials smallcurcumin may reduce depressive symptoms as an adjunct; bioavailability-limited
Studied dose3–5 g/day500–1000 mg curcumin/day
Populationadults with depressionadults with depression
Safety0 modeled interaction(s)1 modeled interaction(s)
Grade
C
what does the grade mean?
Certainty
low
what does certainty mean?

Grade C / low: hints of benefit in small trials; a well-run RCT could easily push this to B or to null.

Direct comparison evidence

There are no direct RCTs in our corpus comparing Creatine and Turmeric head-to-head for mood. What we present above is an indirect comparison: each side's own trials, contrasted. This is standard practice for supplement comparisons — dose, population, and outcome-instrument differences between the two evidence bases add uncertainty on top of each side's own grade.

Can you take both?

No modeled interaction between Creatine and Turmeric in our corpus. Absence of a recorded interaction is not proof of additive benefit — combined-effect trials are usually absent for supplement pairs, so treat "stack" claims skeptically.

Decision guidance

sources: PMID:39553021 · PMID:28236605

Grade history

No grade changes yet. Initial grade assigned; re-reviewed on every 6 months (Grade C+) — next review by . Methodology v1.

Re-review cadence: every 6 months (Grade C+) · next scheduled by · methodology v1.

Frequently asked

Which has stronger evidence: Creatine or Turmeric for mood?

Creatine carries Grade C at low certainty; Turmeric carries Grade C at low. The stronger evidence points to a tie, subject to the caveat that direct head-to-head trials are usually absent for supplement pairings.

Can I take Creatine and Turmeric together?

No modeled interaction between Creatine and Turmeric; combining is not documented to be problematic, but combined-effect trials are also absent, so treat additive benefit claims skeptically.

Have Creatine and Turmeric been compared head-to-head?

Direct RCTs comparing the two for mood are uncommon. This page contrasts each side's own trial evidence — that is an indirect comparison, which introduces confounds from population and dose differences. See the direct-comparison block above.

What decides between Creatine and Turmeric for me?

Read the decision guidance below — the split usually comes down to population fit, interaction risk with your other medications, and how much certainty you want behind the recommendation.

Related

Cite this page

Citation is encouraged. The proposed reuse license is CC-BY-4.0; status: pending-governance-ratification.

Plain-text citation
Substrate. Creatine vs Turmeric for mood. https://evidencebased.info/compare/creatine-vs-turmeric-for-mood. Updated 2026-07-14.
BibTeX
@misc{substrate_inevsturmericformood,
  author = {Substrate editorial},
  title  = {Creatine vs Turmeric for mood},
  year   = {2026},
  url    = {https://evidencebased.info/compare/creatine-vs-turmeric-for-mood},
  note   = {evidencebased.info}
}