I've had a positive experience with this NAD supplement. After taking it consistently, I noticed a gradual boost in my energy, especially during the afternoon when I normally start to feel tired. The effects weren't immediate, but over time I felt more energized, focused, and able to stay productive throughout the day. I also found my workouts felt a bit more consistent, and I seemed to recover from exercise more comfortably. While everyone's experience may be different, the steady improvements in my energy and overall wellness have been enough to keep this supplement in my daily routine.