Tier IINAD⁺ precursor
NR (nicotinamide riboside)
NAD⁺ precursor
Recommended Dose
300–600 mg
Purity Standard
99.6% — sourced from Tru Niagen
Clinical Evidence
720 indexed trials · Tier II
Hallmarks Addressed
Hallmarks 03, 07
NAD⁺ precursor
300–600 mg
99.6% — sourced from Tru Niagen
720 indexed trials · Tier II
Hallmarks 03, 07