What is NR (nicotinamide riboside)?

The short answer

NR is a form of vitamin B3, taken as a pill or powder.

  • What it is

    Vitamin B3 form converted to NAD+.

  • What people look into

    Aging

Get updates on NR (nicotinamide riboside)

What it is

Type
NAD+ precursor (not a peptide)
Also known as
niagen, tru niagen
How it works
Vitamin B3 form converted to NAD+.

Regulatory status

Supplement How we label status

As of October 4, 2026, NR (nicotinamide riboside) is sold in the US as a dietary supplement.

See NR (nicotinamide riboside) in the Index →

Federal (FDA)
Dietary supplement (DSHEA)

References

Sources as of October 4, 2026

  1. FDA: hfpappexternal.fda.gov/scripts/fdcc/index.cfm
  2. Regulations.gov: www.regulations.gov/document/FDA-2018-S-0023-0032