While the acidic properties of apple cider vinegar keep it from ever truly going bad, you'll still find an FDA-required expiration date on the bottle—usually between 2 and 5 years.

What to look for in apple cider vinegar pills. ... “Drink the real thing and skip the supplements,” she says. But Gans points out that research into apple cider vinegar is still ongoing.

Apple cider vinegar has been all over social media as a health hack, but these are the facts you should know before you start using it.

Apple cider vinegar went from being that dusty bottle hiding behind your olive oil to the star ingredient everyone swears by for everything from weight loss to window cleaning. If you’ve walked ...

DON’T drink it straight from the bottle. If you drink apple cider vinegar undiluted, it can damage your tooth enamel, burn your esophagus, and upset your stomach, warns Singh.

And apple cider vinegar typically contains health-promoting bacteria, known as probiotics, that according to studies can nourish your gut microbiome. But there are caveats.