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The HealthspanX Journal
Clear explanations for the questions worth asking. Start with the basics, compare the ideas and follow the sources when you want to go deeper.
THE EDITOR’S PICK
NMN (nicotinamide mononucleotide) is a natural precursor to NAD+. Learn how it works, what human trials have measured, what remains uncertain, and how NMN differs from other NAD+ precursors.
Read article October 09, 2026October 09, 2026
NMN (nicotinamide mononucleotide) is a natural precursor to NAD+. Learn how it works, what human trials have measured, what remains uncertain, and how NMN differs from...
Read articleOctober 02, 2025
The FDA has officially reversed its 2022 position and now recognizes beta-nicotinamide mononucleotide (NMN) as a lawful dietary supplement in the U.S. This landmark decision restores...
Read articleOctober 02, 2025
Early preclinical evidence shows that NMN promotes hair growth. But these studies are limited to animal models. We need human clinical trials before we can establish...
Read articleOctober 01, 2025
Methylene blue may support healthy aging by strengthening mitochondrial energy and reducing oxidative stress, but its benefits remain unproven in humans. Lab and skin-model studies show...
Read articleSeptember 30, 2025
NMN is still the practical, evidence-based option for most adults because it has real human data supporting both its safety and effectiveness. NMNH may look stronger...
Read articleSeptember 30, 2025
NMN is not banned by the FDA. In 2025, the agency reversed its earlier 2022 position and confirmed that NMN can be legally sold as a...
Read articleSeptember 29, 2025
Human studies so far show that NMN is generally well-tolerated, with no consistent serious side effects over weeks to a few months. Mild issues like nausea...
Read articleSeptember 25, 2025
The best dose of NMN for most adults is 250–500 mg per day, with no clear benefit to going much higher. Clinical research shows that even...
Read articleSeptember 23, 2025
Sirtuins are NAD⁺-dependent “longevity proteins” that help protect your cells. They repair DNA, reduce oxidative stress, and regulate metabolism and inflammation. As NAD⁺ declines with age,...
Read articleSeptember 22, 2025
NAD+ is a life-essential coenzyme that powers cellular energy, DNA repair, and stress resistance—and its levels decline steadily with age. When NAD+ runs low, mitochondria, tissues,...
Read articleSeptember 18, 2025
Both NMN and NR raise NAD+ levels safely, but emerging research suggests NMN may offer a more direct and efficient route in tissues with dedicated NMN...
Read articleSeptember 15, 2025
Emerging research suggests NMN supports gut health by restoring NAD+, balancing microbiota, strengthening the intestinal barrier, and reducing inflammation. Animal studies show improved mucus production, tighter...
Read articleThe Evidence Center brings study design, findings and limitations into the same view.
