Niagen is the ChromaDex branded form of NR — the NAD+ precursor. Raises NAD+ by 40-90% at 250-1,000mg/day. See NR monograph for complete details. --- *Reviewed by the Dose AI Research Team and Clinical Advisory Board* *Last updated: 2026-04-06*
Reviewed by the Scan Dose Research Team and Clinical Advisory Board | Last updated:
Not medical advice. Based on published clinical research and systematic reviews.