These Niacin (Vitamin B-3) 500mg tablets from Now Foods are formulated for sustained release, designed to support steady absorption throughout the body. Niacin is an essential nutrient recognized for its role in supporting numerous bodily functions, including energy metabolism and the maintenance of normal nervous system function. The sustained-release formulation promotes consistent levels of Vitamin B-3 over an extended period, which can be beneficial for digestive comfort. This supplement is intended for daily nutritional health support.