Your complete guide to NAD+ supplements in 2026. Everything from basics to advanced protocols.

What is NAD+?

NAD+ is a coenzyme found in every cell, essential for:

  • Energy production
  • DNA repair
  • Cellular signaling
  • Hundreds of metabolic reactions

NAD+ levels decline ~50% between ages 40-60, contributing to aging and age-related diseases.

NAD+ Precursors

NMN (Nicotinamide Mononucleotide)

  • One step from NAD+
  • Growing human research
  • Popular in biohacking community
  • Dose: 500-1000mg/day

NR (Nicotinamide Riboside)

  • Two steps from NAD+
  • Extensive human research
  • FDA GRAS status
  • Dose: 300-600mg/day

Benefits

Proven

  • Raises blood NAD+ levels
  • Safe and well-tolerated
  • Improves metabolic markers

Promising

  • Anti-aging effects
  • Cardiovascular support
  • Cognitive benefits
  • Exercise performance

Top Products

Best NMN: ProHealth Longevity NMN Pro

  • 99%+ purity
  • Third-party tested
  • $50-80/month

Best NR: Tru Niagen

  • FDA GRAS
  • 30+ clinical trials
  • $47.95/month

Protocol

Morning (with breakfast):

  • NMN 500mg OR NR 300mg
  • TMG 500mg (methylation support)
  • Resveratrol 250mg (sirtuin activation)