Apple cider vinegar has long been a popular natural health remedy among celebrities, including Katy Perry, Victoria Beckham, and Jennifer Aniston. In May, Kim Kardashian West sparked renewed interest in the vinegar when she took to her Instagram stories to share a video of a bottle of Bragg Organic Apple Cider Vinegar and the Bragg book Apple Cider Vinegar: Miracle Health System. “So my grandma sent me this book,” Kardashian said to her millions of followers. “And this is her little health trick, so I’m going to start drinking it.” The Bragg book promotes its product as being able to help “control weight and banish obesity,” but does it actually deliver on its word? Here’s what you should know first before buying bottles of apple cider vinegar in hopes that it will help shed the pounds. Apple cider vinegar is made from crushed apples that have been “combined with yeast in order to convert the fructose into alcohol,” explains Debbie S. Fetter, PhD, an assistant professor of teaching nutrition at UC Davis. “Then bacteria is added to ferment the alcohol into a compound called acetic acid, and that’s primarily t...