Vitamin B-3 (niacin) is widely regarded as one of the most effective nutrients in elevating mood, overcoming moderate depression and fighting the effects of fatigue. NOW’s NAD complex is a highly effective and genuinely unique form of Vitamin B-3 that shares many of the same qualities as NADH at a fraction of the cost. In addition to its mood enhancing properties, NAD is being studied with regards to its positive effects on naturally increasing the brain’s levels of dopamine, a neurotransmitter essential to brain health as we age.