Creatine vs Omega-3
for mood
Stronger evidence: tie
Stronger effect: Omega-3
Safety: Omega-3 carries a serious interaction; Creatine has none recorded.
For mood, the two are evidence-matched; the difference is in effect and safety.
Creatine
grade C low certainty
emerging evidence as an adjunct for depressive symptoms; trials small
3–5 g/day, adults with depression
Omega-3
grade C moderate certainty
small benefit for depressive symptoms, clearest with higher-EPA formulations
1–2 g EPA, adults with depression
sources: PMID:42180567 · PMID:20000102