The Journal
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Research breakdowns, dosage guides, and wellness insights — all evidence-based.

longevity
NMN Side Effects: 12+ Human Trials Reviewed (2026)
Across 12+ published human clinical trials at doses up to 2,000 mg/day for up to 24 weeks, no serious adverse events ...

longevity
NMN vs NR: Which NAD+ Precursor Is Better? (2026 Data)
NMN and NR raise NAD+ equally — the first head-to-head human trial (Christen et al. 2026, Nature Metabolism) found no...

longevity
NMN Dosage: How Much Per Day? 250mg vs 600mg vs 1000mg
NMN was tested at 125–1,200 mg/day across 12+ human trials. The Yi 2023 RCT (n=80) pinned 600 mg as the optimal NAD+ ...

longevity
What Is NMN? Benefits, NAD+ & Aging Research (2026)
NMN is a direct NAD+ precursor backed by 12+ human clinical trials. A 2026 Nature Metabolism head-to-head comparison ...