PlainPill

Omega-3 vs Tretinoin for skin & hair

Short answer: For skin & hair, users rate them about the same: 90% report improvement with Omega-3 (48 reports) and 91% with Tretinoin (35 reports).

Omega-3 has 1,341 meta-analyses and 3,093 randomized trials on PubMed; Tretinoin has 76 and 265.

Based on 3,026 reports about Omega-3 and 50 about Tretinoin. Not medical advice.

Omega-3
Supplement
Tretinoin
Medication
Users say it helped69%helped968 reports · high confidence91%helped23 reports · medium confidence
Verdict
Mostly positive
Mostly positive
ResearchAResearch: StrongAResearch: Strong
Meta-analyses / RCTs1,341 / 3,09376 / 265
Mainly used for
Mood
% reporting improvement
86% (289)—
Focus
% reporting improvement
85% (172)—
Pain & inflammation
% reporting improvement
93% (112)—
Heart & lipids
% reporting improvement
83% (108)—
Anxiety
% reporting improvement
74% (84)—
Common side effectsfish burps, stomach issues, vivid dreams, fishy burpssunburn, irritation, skin peeling
Typical dose reported500/250 mg / dailyNot listed
Omega-3
Latest review conclusion

For glycated hemoglobin, there was no significant effect in the meta-analysis. This systematic review with meta-analysis demonstrated that supplementation with omega-3 has protective effects on diabetes parameters.

Crit Rev Food Sci Nutr, 2022 ↗
What a user said
“I do supplement a lot of fish oil and vitamin A as retinyl palmitate though. It has really helped my depression, anxiety and ADHD and has enabled me to stop using more serious psychiatric drugs for those things.”
Full Omega-3 profile →
Tretinoin
Latest review conclusion

These guidelines provide evidence-based recommendations for the management of acne vulgaris.

J Am Acad Dermatol, 2024 ↗
What a user said
“I have gotten good result on the acne front with tretinoin and azelaic acid.”
Full Tretinoin 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