For NMN, you need to know what NAD+ is. Nicotinamide adenine dinucleotide (NAD) is an important component of our body’s metabolism and an important molecule that protects us from disease. There are two common responses to NAD+ in the human body. As an important component of metabolism, it helps convert nutrients into energy and acts as a normalizing factor for proteins that perform other cellular functions. This process is very important. Nicotinamide mononucleotide supplements, also known as NMN, help increase NAD+ levels. Our NAD+ levels peak when we are young and decline naturally as we age(starting at the age of 30), making our cells no longer able to function at optimal levels. As a result, the overall work and work energy are gradually reduced. .. Aging, insomnia, alcohol, viruses, or stress can all cause low NAD+, which can easily lead to fatigue, weaken your immune system, and cause loss of concentration and lack of energy. Scientists have found that the NMN formula increases NAD+ levels, repairs DNA, extends life expectancy, and makes you feel more energetic, energized and younger.