Omega-3 vs Creatine
for cognition
Stronger evidence: Creatine
Stronger effect: unknown
Safety: Omega-3 carries a serious interaction; Creatine has none recorded.
For cognition, Creatine has the stronger evidence grade.
Creatine
grade B moderate certainty
benefit to cognition, clearest under sleep deprivation or stress
5 g/day
sources: PMID:00000004