Nmn3000 is indeed useful. Nmn3000 can supplement the nutrients needed by the human body every day. It can improve basic metabolism, make the body function younger, delay aging, improve sleep, increase skin elasticity, enhance immunity, prevent hair loss, change Alzheimer's disease, and predict white hair to turn black. It is applicable to sub-health people, especially the middle-aged and old people, as well as those who work overtime, stay up late, have high mental pressure or work intensity, and can help them recover. Taking method: take 2-3 capsules 1-2 times a day within 30 minutes after meals for better effect! In this way, the absorption will be better and the dependency will not be easily generated