NAD+NAD and NAD+ occur naturally in your body. They play a major role in the chemical process of generating energy. NAD+ is probably the most important co-factor for improving mitochondrial function.​When NAD+ is given by IV (intravenous), some research has shown it can improve mental clarity, alertness, concentration, and memory. Moreover, NAD+ infusions may improve athletic endurance and reverse the symptoms of chronic fatigue.

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Additionally, 

​Some studies suggest that boosting NAD+ levels could help support brain function, potentially by improving mitochondrial function, reducing inflammation, and supporting overall neuronal health. These effects might indirectly influence cognitive functions such as focus, decision-making, and potentially impulse control.