Now on the market a lot of brands, a variety of, a search a whole lot, I am currently eating NMN, which is considered a very expensive product, but the effect is surprisingly good, and their family service is also good, professionalism is also good, that brand is called Sai Lerui, at present, then, it is a composite formula, then it contains cell activation patented ingredients, and then ate down, then, compared to the previous I ate the The effect of the single ingredient is much better, especially in sleep, energy, including the whole person's state of mind? Now if you go out to socialize, everyone will think I'm younger.