NAD+ Supplement Guide: Dosing, Brands & Quality

NAD+ precursor supplements such as NMN or NR are marketed to support normal cellular energy metabolism. When evaluating a product, look for reputable brands, purity >98%, third-party testing, and proper storage. Follow the directions on the product label.

This article is for educational purposes only and is not medical advice. NAD+ products discussed here are dietary supplements, not FDA-approved drugs. Talk with your own clinician before starting any supplement.

Common Types

• NMN: A widely used NAD+ precursor
• NR: A well-researched NAD+ precursor
• Niacin: Inexpensive but commonly causes flushing

Quality Markers

• Third-party testing (USP, NSF, ConsumerLab)
• Purity >98%
• Proper packaging (light-protected)
• Reputable manufacturer
• Good reviews

When to Take

Follow the directions on the product label, and ask your clinician about timing and whether a supplement is appropriate for you.

Using NAD+ alongside GLP-1 medications

Disclaimer: These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. NAD+ supplements are not FDA-approved drugs. This article is educational and is not medical advice. Consult your own clinician before starting any supplement. Individual results vary.