PlainPill

Omega-3 vs Vitamin C for skin & hair

Short answer: For skin & hair, more users report improvement with Vitamin C — 97% of 29 reports, versus 90% of 48 for Omega-3.

Omega-3 has 1,341 meta-analyses and 3,093 randomized trials on PubMed; Vitamin C has 738 and 2,072.

Based on 3,026 reports about Omega-3 and 928 about Vitamin C. Not medical advice.

Omega-3
Supplement
Vitamin C
Supplement
Users say it helped69%helped968 reports · high confidence64%helped204 reports · high confidence
Verdict
Mostly positive
Mostly positive
ResearchAResearch: StrongAResearch: Strong
Meta-analyses / RCTs1,341 / 3,093738 / 2,072
Mainly used for
Mood
% reporting improvement
86% (289)88% (25)
Focus
% reporting improvement
85% (172)64% (14)
Pain & inflammation
% reporting improvement
93% (112)80% (15)
Heart & lipids
% reporting improvement
83% (108)75% (4)
Anxiety
% reporting improvement
74% (84)94% (17)
Common side effectsfish burps, stomach issues, vivid dreams, fishy burpskidney stones, stomach issues, insomnia, bone pain
Typical dose reported500/250 mg / daily2000 mg / daily
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 →
Vitamin C
Latest review conclusion

The failure of vitamin C supplementation to reduce the incidence of colds in the general population indicates that routine vitamin C supplementation is not justified, yet vitamin C may be useful for people exposed to brief periods of severe physical exercise. Regular supplementation trials have shown that vitamin C reduces the duration of colds, but this was not replicated in the few therapeutic trials that have been carried out. Nevertheless, given the consistent effect of vitamin C on the duration and severity of colds in the regular supplementation studies, and the low cost and safety, it m

Cochrane Database Syst Rev, 2013 ↗
What a user said
“I know people say you get enough vitamin C from diet but I feel and look better when I supplement it.”
Full Vitamin C 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