Tru Niagen is a dietary supplement that contains nicotinamide riboside (NR), a form of vitamin B3 that has been shown to increase levels of nicotinamide adenine dinucleotide (NAD+) in the body. NAD+ is a coenzyme that plays a critical role in cellular energy production, DNA repair, and other key metabolic processes.

Tru Niagen claims to support healthy aging and cellular function by boosting NAD+ levels, which decline as we age. It is marketed as a way to promote cellular health, improve energy levels, and support healthy metabolism