All niacin is not the same.
Frost
P H
PH
D056486:Chemical and Drug Induced Liver Injury / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009525:Niacin / Q000008:administration & dosage* / Q000009:adverse effects; D013810:Therapeutic Equivalency
D009525:Niacin