The Tru Niagen 300mg dietary supplement is a formulation designed to increase NAD+ levels in adults. The active ingredient, Nicotinamide Riboside, is encapsulated in a capsule format with a dosage of 300mg. It is recommended to take this supplement after meals, and the pack includes 30 pills. As part of the Tru Niagen brand, this supplement is targeted towards individuals looking to improve their overall health and beauty through increased NAD+ levels.