Search Results       Your search for [subject]Niacin-food sources returned 1 record.           USDA National Nutrient Database for standard refernce release 16: Niacin (mg) content of selected foods per common measure sorted by nutrient content. USA: USDA, 2003. Subject: Niacin-nutrient content; Niacin-food sources.          Add to Book Cart Relevance: 25.95%