What’s so special about superfoods, anyway? Even as the term fades slightly from marketing copy, we all still pay attention to specific foods that we’ve heard are better for us than the rest. Red wine. Goji berries. Kale.

Apple cider vinegar has been a multipurpose folk remedy for decades, touted as a disinfectant, a natural way to replenish skin and hair, and a superfood with all kinds of benefits. Science has backed a few of these purposes, for vinegar in general, but the observable results are pretty meh.