NAD+ is an integral part of maintaining a healthy neurological system as we age. Ample NAD+ levels are essential in sustaining brain health as we get older. Moreover, maintaining NAD+ levels improves signal relay between nerve cells and helps regulate body-wide functions such as mood, appetite, and stress. NAD+ has a unique neuroprotective effect on the body, which guards the nerves against demyelination, or damage to the protective coating of nerve cells. It also works to improve cognitive function such as concentration and memory.