Supports carbohydrate metabolism to provide the body with energy Promotes healthy joint function A versatile form of vitamin B-3 Supports cardiovascular health Unlike regular niacin, Swanson Niacinamide supports joint health and helps maintain blood sugar levels already within a normal range. It also doesn’t cause the “niacin flush” associated with ordinary niacin supplements. But like niacin, this unique formula plays a vital role in carbohydrate metabolism, helping to supply the entire body with energy. Each capsule delivers 500 mg of niacinamide.