With so many NAD+ supplement brands available, how do you choose? Here’s a detailed comparison.

Top Brands Compared

NMN Brands

Brand Purity Price/month Testing Form
ProHealth Longevity 99%+ $50-80 Third-party Capsules, powder
Renue By Science 99%+ $30-60 Third-party Powder, liposomal
Do Not Age 99%+ $40-70 Third-party Capsules
Elevant 99%+ $30-50 Third-party Capsules

NR Brands

Brand Dose Price/month Clinical Data Form
Tru Niagen 300mg $47.95 30+ trials Capsules
Thorne NiaCel 300mg $35-50 Some Capsules
HPN Niagen 300mg $25-40 Some Capsules

Best Value Rankings

Best Overall: ProHealth Longevity NMN

  • Highest purity (99%+)
  • Extensive third-party testing
  • Multiple form options
  • Trusted brand

Best Budget: Renue By Science NMN Powder

  • Lowest cost per gram
  • Good quality
  • Flexible dosing
  • Third-party tested

Best NR: Tru Niagen

  • Most clinical data
  • FDA GRAS status
  • Consistent quality
  • Premium price

Best Liposomal: Renue By Science Liposomal

  • Enhanced bioavailability
  • Lower effective dose needed
  • Good value

What to Look For

Third-party testing — Non-negotiable ✅ 99%+ purity — Industry standard ✅ GMP certification — Quality manufacturing ✅ Transparent sourcing — Know where it’s made ✅ Proper storage/shipping — Temperature-controlled

Red Flags

🚩 No third-party testing 🚩 Too cheap (quality NMN costs $0.50+/gram) 🚩 No purity claims 🚩 Unknown manufacturers 🚩 Exaggerated claims