5-HTP vs Omega-3
for mood
Stronger evidence: tie
Stronger effect: Omega-3
Safety: Both carry up to serious interactions — check your context.
For mood, the two are evidence-matched; the difference is in effect and safety.
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:00000035 · PMID:20000102