There are so many brands of apple cider vinegar in the market nowadays, it's too mixed, it's hard for you to choose, but there is a big principle to choose apple cider vinegar! You can see whether the apple cider vinegar is fermented apple cider vinegar or not, because most of the apple cider vinegar nowadays is blended, that is, tap water + flavor + color + vinagrette and so on. Do you think such apple cider vinegar can be beneficial to drink? And the easiest way for you to judge whether it is fermented or not is that you look at the bottle to see if it is labeled as fermented mini apple cider vinegar. (Do not exclude the black hearted manufacturers to forge)! Because now the state regulations regular fruit vinegar must be fermented type, if you are an agent or sales, more single, you can ask to see their corporate standards, corporate standards clearly marked fermented type. If not directly excluded. Some other intuitive identification methods, there are many online, I do not write. By the way, I would like to recommend. I know a kind of apple cider vinegar, called Hanzhiyuan apple cider vinegar. They are fermented type, because, I visited their factory, very powerful. The investment is very big.