Niacin 250 Time Release by Source Naturals - Niacin!!!

Niacin 250 Time Release by Source Naturals - Niacin!!!: "Niacin plays an essential role in the activities of enzymes involved in the metabolism of carbohydrates and fats, the functioning of the nervous system and digestive systems, the manufacturing of hormones, and the maintenance of healthy skin. Niacin 250 Time Release by Source Naturals!"