1. Sustained-Release Niacin for Prevention of Migraine Headache
David A. Velling, MD, David W. Dodick, MD, Jesse J. Muir, MD 
Mayo Clinic Proceedings 
Volume 78, Issue 6, Pages (June 2003)
DOI: /
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2. Figure 1
Kynurenine pathway. Niacin and its derivatives act as negative feedback regulators, possibly increasing the conversion of dietary L-tryptophan to serotonin.
Mayo Clinic Proceedings  , DOI: ( / )
Copyright © 2003 Mayo Foundation for Medical Education and Research Terms and Conditions