- Cyberdiet- Niacin - Brief description of the vitamin such as good food sources, role of vitamin, and deficiency symptoms.
www.cyberdiet.com/foodfact/vitmins/niacin.html
- Food Data Chart - Niacin - Provides food chart of foods and beverages that are high in niacin content and recommended useage.
www.healthyeating.org/books/foodfacts/html/data/data4c.html
- Niacin- Overview - Discusses importance of the vitamin with functions, food sources, and graphical overview.
thirdage.adam.com/ency/article/002409.htm
- Zest for Life: Vitamin B3-Niacin - Brief look at the vitamin with basic functions, good food sources, and deficiency signs.
www.anyvitamins.com/vitamin-b3-niacin-info.htm
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