Vitamin B3 (Niacin) – Uses, Benefits, Sources and Dosage Like other vitamins, Vitamin B3 is also an important one for general good health. In terms of treatment, the higher amounts of this vitamin can even improve cholesterol levels as well as reduces the risk of cardiovascular disease too. The Vitamin B3 is commonly known as Niacin. Health Benefits of Vitamin B3 or Niacin Some of the important health benefits of this vitamin are listed below: The vitamin is good for