NAD+ Works great! I always struggled with my energy level, I had no energy throughout my day. I definitely struggled getting out of bed. Not no more, with NAD+ I immediately noticed the difference. Adding it with my tirzepatide I no longer am falling asleep during meetings/classes. My memory is sharper, i don't have trouble remembering from one minute to the next and it feels great! My fiance is now using it also and he's amazed how great he feels!