How about drinking tea to gain weight? Will you get fat?

The fattening tea you mentioned does have a patent, but it has expired. Although it can be found on the national patent website, the ingredients and effects are not all announced, but the name is Zengfei Tea, which means its users are not sure at all. As far as patents are concerned, he violated three relevant regulations: first, patented food or health care products must have an internet sales license to enter the market, and this so-called fattening tea simply does not have such conditions. Second, there is serious false propaganda on this website, because it seems that its ingredients have not been approved by state agencies at all. If approved, his product should be given a certain attribution, such as prescription, health care or food. He doesn't have any affiliation, so from these points of view, it's basically that the individual ps has some inspection certificates and fooled people on the Internet.