Might be because of niacin too, here is the informative article: http://www.orthomolecular.org/resources/omns/v13n05.shtml http://www.orthomolecular.org/resour

Might be because of niacin too, here is the informative article: http://www.orthomolecular.org/resources/omns/v13n05.shtml http://www.orthomolecular.org/resources/omns/v13n05.shtml