250 In the index

Nicotinamide riboside NR

A vitamin B3-related supplement studied in human trials for boosting a molecule cells need for energy. Studies confirm it reliably raises that molecule in the blood, but whether that actually improves aging, muscle, or metabolic health in otherwise healthy people is still unclear or mixed.

Also known as Niagen, nicotinamide ribose, nicotinamide-beta-riboside, ribosylnicotinamide, nicotinamide ribonucleoside, TruNiagen, 1-(beta-D-Ribofuranosyl)nicotinamide

Effects Longevity

Routes Oral

Legal status Dietary supplement

WADA Not listed

3D Molecular Structure of C₁₁H₁₅N₂O₅+

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Chemistry

Formula: C11H15N2O5+
Molar mass: 255.25
CAS: 1341-23-7
PubChem CID: 439924
IUPAC name: 1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]pyridin-1-ium-3-carboxamide
InChIKey: JLEBZPBDRKPWTD-TURQNECASA-O

Reported dosing

Clinical data

What has been reported in the literature and by users. This is a record of what is done, not a recommendation.

Typical dose 250-300 mg/day

Reported range 100-1000 mg/day

Route Oral

Frequency Once or twice daily

Duration Ongoing (supplement use)

Sold as a dietary supplement (e.g., Niagen); generally regarded as safe by the FDA at studied doses, but not approved as a drug for any indication.

Where this comes from Clinical trials; supplement-industry dosing

These figures are recorded for reference and are not a recommendation. Dosing is a decision for you and a clinician.