NMN vs Omega-3 for skin & hair
Short answer: For skin & hair, more users report improvement with NMN — 100% of 14 reports, versus 90% of 48 for Omega-3.
NMN has 11 meta-analyses and 17 randomized trials on PubMed; Omega-3 has 1,341 and 3,093.
Based on 366 reports about NMN and 3,026 about Omega-3. Not medical advice.
| NMN Supplement | Omega-3 Supplement | |
|---|---|---|
| Users say it helped | 61%helped113 reports · high confidence | 69%helped968 reports · high confidence |
| Verdict | Mostly positive | Mostly positive |
| Research | AResearch: Strong | AResearch: Strong |
| Meta-analyses / RCTs | 11 / 17 | 1,341 / 3,093 |
| Mainly used for | ||
| Mood % reporting improvement | 100% (13) | 86% (289) |
| Focus % reporting improvement | 83% (12) | 85% (172) |
| Energy % reporting improvement | 92% (77) | 78% (58) |
| Pain & inflammation % reporting improvement | 83% (6) | 93% (112) |
| Heart & lipids % reporting improvement | 100% (2) | 83% (108) |
| Common side effects | insomnia, jitteriness, drowsiness, elevated blood | fish burps, stomach issues, vivid dreams, fishy burps |
| Typical dose reported | 1 g / daily | 500/250 mg / daily |
Overall, NAD⁺ augmentation shows clear biological activity, but clinical effectiveness for anti-aging or wellness outcomes remains inconclusive. Larger, well-designed randomized trials with longer follow-up and prespecified clinically meaningful endpoints are needed, particularly for parenteral approaches.
Ageing Res Rev, 2026 ↗“I've been using NMN for 3 years now, and I had great results with it along with many other supplements. I'm 47 and I look a lot younger and healthier than when I first started NMN.”
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 ↗“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.”
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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