Aging is a common process of all living organisms on earth. However, in this modern world people are spending thousands of dollars to look young by surgeries and using those pricy products. These products do claim to get you your youth back but still the authenticity of some of them is still questionable. There is much more involved in aging process including NAD and so there are NR supplements available in market these days too. Whereas there are many natural ways to increase NAD levels too. But lets start with discussing NAD in detail.