Imagine arriving at your office on a Monday morning, your schedule packed with high-stakes meetings, strategic decisions, and back-to-back travel. Yet, despite your accomplishments, something feels off: your energy dips, your focus wavers, and recovery from late nights seems slower than it used to be. For executives and high-performing leaders, these subtle declines are more than inconvenience—they are signals from your cells. Enter NAD+ (Nicotinamide Adenine Dinucleotide),