PlainPill

NAC vs SAM-E for mood

Short answer: For mood, more users report improvement with SAM-E — 92% of 114 reports, versus 65% of 323 for NAC.

NAC has 387 meta-analyses and 767 randomized trials on PubMed; SAM-E has 3 and 1.

Based on 2,058 reports about NAC and 284 about SAM-E. Not medical advice.

NAC
Supplement
SAM-E
Supplement
Users say it helped54%helped947 reports · high confidence63%helped131 reports · high confidence
Verdict
Mixed
Mostly positive
ResearchAResearch: StrongBResearch: Moderate
Meta-analyses / RCTs387 / 7673 / 1
Mainly used for
Mood
% reporting improvement
65% (323)92% (114)
Anxiety
% reporting improvement
90% (301)67% (21)
Focus
% reporting improvement
81% (170)100% (13)
Energy
% reporting improvement
73% (91)87% (23)
Sleep
% reporting improvement
71% (48)33% (3)
Common side effectsanhedonia, stomach issues, depression, emotional bluntinginsomnia, jitteriness, stomach issues, anxiety
Typical dose reported600 mg200-400 mg / daily
NAC
Latest review conclusion

Taken together, these preliminary findings suggest that dietetic approaches might be included as part of BD treatment. Also considering the high risk of metabolic disorders in individuals with BD, they should be encouraged to choose healthy dietary lifestyles, including daily intake of fruits, vegetables, seafood and whole grains.

Nutr Neurosci, 2023 ↗
What a user said
“NAC has helped me stay calm and reduce anxiety as well as gives me loads of energy if I am sleep deprived.”
Full NAC profile →
SAM-E
Latest review conclusion

Our results showed that robotic surgery contributed positively to some perioperative outcomes but longer operative times remained a shortcoming. Better quality evidence is needed to guide surgical decision making regarding the precise clinical targets of this innovation in the next generation of its use.

Surg Endosc, 2016 ↗
What a user said
“I also take SAM-e in the morning (200mg or 400mg per day depending on how I'm feeling) for my general depression/anxiety.”
Full SAM-E profile →

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Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate