SIRT1 depends on a molecule called NAD (Nicotinamide adenine dinucleotide), and NAD, in turn, depends on the substance called NMN.

SIRT1成取决于一种叫NAD（辅酶）分子，而NAD成则取决于一种叫NMN物质。

We've talked about NR and NMN and NAD and the NAD pathway.

我们已经讨论了 NR 和 NMN 以及 NAD 和 NAD 途径。

I take NR and NMN in an effort to increase NAD.

我服用 NR 和 NMN 来努力增加 NAD。

NAD is present in all our cells from birth until death.

NAD 在于我们从出生到死亡所有细胞中。

The levels of NAD tend to go down across the lifespan.

NAD 水平在整个生命周期中往往会下降。

So they will infuse you directly with NAD into the vein.

因此他们会直接将 NAD 注入您静脉中。

Those NAD infusions are pretty darn uncomfortable.

那些 NAD 注不舒服。

NR and NMN are considered by many to be precursors to NAD.

许多人认为 NR 和 NMN 是 NAD 前体。

We're going by the best tradition anna nad elsa have ever seen.

我们将遵循安娜·纳德·艾尔莎 (anna nad elsa) 见过最好传统。