“Apple Cider Vinegar” is is a ripped-from-the-headlines drama based closely on a 2015 book, “The Woman Who Fooled the World,” by investigative journalists Beau Donelly and Nick Toscano.

In one study, participants ate approximately 200 to 275 fewer calories when apple cider vinegar was combined with a meal. Over three months, participants taking one to two tablespoons of ACV per day ...