- Terrific, heart-smart B-family vitamin nutrition
- Essential for carbohydrate metabolism
- Plays a key role in maintaining healthy lipid levels Boost your vitality with heart-smart B-3! Swanson Niacin plays an essential role in carbohydrate metabolism, helping supply the whole body with energy. It also supports cardiovascular function by promoting a healthy lipid balance. Our convenient tablets are a great way to ensure a healthy supply of niacin every day.