NAD stands for nicotinamide adenine dinucleotide
NAD 全称烟酰胺腺嘌呤二核苷酸
How to boost your NAD+ level

lexical

• nicotinamide adenine dinucleotide
  烟酰胺腺嘌呤二核苷酸?

• linchpin
  关键

• mitochondria
  线粒

• adenosine triphosphate(ATP)
  三磷酸腺苷

• inhibition
  抑制

• sirtuins
  瑟土因
  一种参与调节细胞过程的蛋白质，包括细胞的衰老和死亡及其对压力的抵抗力。

• chromosomes
  染色体...

• enzyme
  酶

• depletion
  耗尽

• biosynthesis
  生物合成

• de novo
  从头开始

• amino acid
  氨基酸

• tryptophan
  色氨酸

• aqueous
  水性

• cytosol
  胞质溶胶

• organelles
  细胞器

• impairment
  损害

• replenish
  补充

• outperforms
  跑赢

• fasting　禁食
  abstain弃权 from all or some kinds of food or drink, especially as a religious observance遵守.

Why NAD+ so important?

NAD stands for nicotinamide adenine dinucleotide. From bacteria to primates, it is one of the most abundant and crucial molecules in cellular metabolism. In fact, without the presence of NAD+, we would probably die in 30 seconds. The molecule is a linchpin to the function of the generators of cells — mitochondria. NAD+ not only helps convert food to energy, but it also plays a crucial role in maintaining DNA integrity. NAD+ ensures the functioning of our defensive genes to help the body and protects us from aging and disease.

简而言之，NAD+相当于给人体底层系统供能的物质，虽然我们常说血液之于人体就像燃油之于机器般，但是NAD+却是存在于更深层的组织结构中，它服务于细胞体，帮助能量转换，同时保证基因的完整性。如果没有了NAD+，机体会很快消亡。同时，随着年龄的增长，NAD+会逐渐减少。

How we can boost NAD levels in the body?

A healthy lifestyle through a good manner of diet and moderate exercise is not only good for your mental health, but it can also boost your NAD+ levels.

Mild physical stress to the body such as fasting and exercise can stimulate the production of NAD+. In yeast, calorie restriction activates NAD+ dependent genes, sirtuins, and extends their lifespan substantially. Calorie restriction also consistently improved health span across different mice strains and sexes.

良好的生活习惯，包括合理全面的饮食，适度的运动等，都可以帮助稳定NAD+的水平，同时需要了解控制卡路里的摄入量，对于激活NAD+也有很大帮助。另外，记住在退休后，千万不能让身体完全停止下来。保持如年青时一样的状态，积极努力的生活，可以帮助抵抗NA+因年龄的上升而下降问题。