HGH vs NMN for skin & hair
Short answer: For skin & hair, users rate them about the same: 97% report improvement with HGH (32 reports) and 100% with NMN (14 reports).
HGH has 14 meta-analyses and 146 randomized trials on PubMed; NMN has 11 and 17.
Based on 433 reports about HGH and 366 about NMN. Not medical advice.
| HGH Peptide | NMN Supplement | |
|---|---|---|
| Users say it helped | 65%helped199 reports · high confidence | 61%helped113 reports · high confidence |
| Verdict | Mostly positive | Mostly positive |
| Research | AResearch: Strong | AResearch: Strong |
| Meta-analyses / RCTs | 14 / 146 | 11 / 17 |
| Mainly used for | ||
| Energy % reporting improvement | 89% (9) | 92% (77) |
| Recovery % reporting improvement | 95% (80) | 100% (5) |
| Performance % reporting improvement | 81% (58) | 100% (16) |
| Sleep % reporting improvement | 83% (30) | 65% (20) |
| Weight loss % reporting improvement | 93% (44) | 100% (3) |
| Common side effects | water retention, carpal tunnel, joint pain, stomach issues | insomnia, jitteriness, drowsiness, elevated blood |
| Typical dose reported | Not listed | 1 g / daily |
Many critical gaps remain in our knowledge of the pathogenesis, prevention, and management of endometrial trauma and IUAs. PROSPERO (ID: CRD42023366218).
Hum Reprod Update, 2025 ↗“one of my original accounts is regarding HGH . Posted it a while back . Helped me a lot.”
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.”
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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