PlainPill

Niacin vs Niacinamide for anxiety

Short answer: For anxiety, more users report improvement with Niacinamide — 100% of 6 reports, versus 93% of 14 for Niacin.

Niacin has 114 meta-analyses and 379 randomized trials on PubMed; Niacinamide has 144 and 72.

Based on 269 reports about Niacin and 56 about Niacinamide. Not medical advice.

Niacin
Supplement
Niacinamide
Supplement
Users say it helped71%helped94 reports · medium confidence56%helped20 reports · medium confidence
Verdict
Mostly positive
Mixed
ResearchAResearch: StrongAResearch: Strong
Meta-analyses / RCTs114 / 379144 / 72
Mainly used for
Mood
% reporting improvement
71% (21)67% (3)
Anxiety
% reporting improvement
93% (14)100% (6)
Sleep
% reporting improvement
73% (11)80% (5)
Energy
% reporting improvement
93% (15)—
Heart & lipids
% reporting improvement
85% (13)—
Common side effectsflushing, flush, stomach issues, liver damageliver damage, depression, flare, flushing
Typical dose reported100-200 mg500 mg / daily
Niacin
Latest review conclusion

This guideline should enable addressing suboptimal and deficient status of a bundle of MNs in at-risk diseases. In particular, it offers practical advice on MN provision and monitoring during nutritional support.

Clin Nutr, 2022 ↗
What a user said
“If you over methylate, niacin may also help you. Binds to free methyl groups... It's how I fixed my heart palpitations after taking methylsulfonymethan.”
Full Niacin profile →
Niacinamide
Latest review conclusion

Oral nicotinamide should be considered in healthy patients or organ transplant recipients with history of skin cancer (GRADE: weak recommendation; moderate-quality evidence), in particular of BCC and cSCC.

J Cutan Med Surg, 2022 ↗
What a user said
“In my experience, niacinamide (not niacin) 1000-1500mg a day worked wonders in about 5-7 days.”
Full Niacinamide profile →

Related comparisons

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