Dec.2023 19
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NAD+ Healthcare Supplement Beta-Nicotinamide Adenine Dinucleotide Powder CAS 53-84-9 Nad Nad+
Nicotinamide adenine dinucleotide (NAD) is a coenzyme central to metabolism.[3] Found in all living cells, NAD is called a dinucleotide because it consists of two nucleotides joined through their phosphate groups. One nucleotide contains an adenine nucleobase and the other nicotinamide.

Nicotinamide adenine dinucleotide 
participates in a variety of physiological activities such as cellular material
metabolism, energy synthesis, and cellular DNA repair, and plays an important role in the body's immunity.

In a healthy state, the concentration of nicotinamide adenine dinucleotide in the human body is stable, maintaining
the normal functions of various cells. The concentration of nicotinamide adenine dinucleotide in the body determines
the process and degree of cell aging, and the decrease in concentration will accelerate the process of cell aging.

NAD+ plays an important role in cellular metabolism, inflammation, various diseases, healthy aging and supporting
cellular immune defense.
Nicotinamide adenine dinucleotide (NAD+) is a coenzyme for redox reactions, making it central to energy metabolism. NAD+ is also an essential cofactor for non-redox NAD+-dependent enzymes, including sirtuins, CD38 and poly(ADP-ribose) polymerases. NAD+ can directly and indirectly influence many key cellular functions, including metabolic pathways, DNA repair, chromatin remodelling, cellular senescence and immune cell function. These cellular processes and functions are critical for maintaining tissue and metabolic homeostasis and for healthy ageing. Remarkably, ageing is accompanied by a gradual decline in tissue and cellular NAD+ levels in multiple model organisms, including rodents and humans. This decline in NAD+ levels is linked causally to numerous ageing-associated diseases, including cognitive decline, cancer, metabolic disease, sarcopenia and frailty. Many of these ageing-associated diseases can be slowed down and even reversed by restoring NAD+ levels. Therefore, targeting NAD+ metabolism has emerged as a potential therapeutic approach to ameliorate ageing-related disease, and extend the human healthspan and lifespan. However, much remains to be learnt about how NAD+ influences human health and ageing biology. This includes a deeper understanding of the molecular mechanisms that regulate NAD+ levels, how to effectively restore NAD+ levels during ageing, whether doing so is safe and whether NAD+ repletion will have beneficial effects in ageing humans.
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