NAD+ is used by every cell in the human body, including our neurons (brain cells). As we perform cognitive tasks (reading, writing, articulating ideas, etc.) our brain is consuming about 20% of the overall energy consumption of our entire body. Our brain is a highly energy-intensive organ. This means that every brain cell needs optimal stores of NAD+. Because the brain is so intertwined with what humans consciously do, most patients experience significant changes in their cognitive performance following NAD+ Infusions.