N-Acetylcysteine vs Creatine
for mood
Stronger evidence: tie
Stronger effect: Creatine
Safety: No notable interactions recorded for either.
For mood, the two are evidence-matched; the difference is in effect and safety.
N-Acetylcysteine
grade C low certainty
preliminary evidence as an adjunct in some psychiatric conditions; not established as a standalone
1200–2400 mg/day, adults
Creatine
grade C low certainty
emerging evidence as an adjunct for depressive symptoms; trials small
3–5 g/day, adults with depression
sources: PMID:10000012 · PMID:42180567