Creatine supplementation reduces depressive symptoms in people diagnosed with depression.

See the scientific wording

Creatine supplementation improves depressive symptoms in individuals with depression.

Supporting

Strong

2 studies

Very strong evidence

Randomized trials

2 good-quality studies support this claim.

What the research says

2 studies reviewed

Supporting (2)

Strong

A randomized, double-blind, placebo-controlled, proof-of-concept trial of creatine monohydrate as adjunctive treatment for bipolar depression
Randomized Controlled TrialHuman2018
Creatine didn't make everyone feel a little better on average, but it helped many more people get almost completely free of depression symptoms compared to those who took a placebo. So yes, it may help treat depression in some people.
Efficacy and safety profile of oral creatine monohydrate in add-on to cognitive-behavioural therapy in depression: An 8-week pilot, double-blind, randomised, placebo-controlled feasibility and exploratory trial in an under-resourced area.
Randomized Controlled TrialHuman2025
People who took creatine along with therapy felt significantly less depressed after 8 weeks than those who took a fake pill with the same therapy, and no more side effects happened. So creatine may help reduce depression symptoms.

Contradicting (0)

None

No contradicting studies found yet

That doesn't mean it's settled — it just means no study has tested the opposite.

Quality-weighted scoring: we follow the GRADE framework — each study is rated High, Moderate, Low, or Very Low based on study design, methodology rigor, and risk of bias. A single high-quality RCT can outweigh several weaker observational studies.

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Why this might work

Creatine enters the brain and boosts the supply of quick energy for nerve cells, allowing them to maintain proper function during high demand. This energy boost helps nerve cells repair themselves, communicate better, and resist damage from harmful chemicals. As a result, brain regions that control mood start working normally again, and depressive symptoms stop.

Verified mechanismbased on 2 studies

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 2 supporting studies

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