Does apple cider vinegar go bad? How it ages + Storage tips
Due to oxidation (that is, every time you open the cap and allow air to seep in), your apple cider vinegar may be subject to some separation, cloudy and possible sedimentation at the bottom. Especially if it has been on a shelf for a while, this oxygen can affect some of the acidic preservatives in vinegar. But as Knudsen points out, “These are just cosmetic changes, so it’s quite safe to keep using this apple cider vinegar.”
That you add ACV to your smoothie or create a DIY hair rinse, don’t worry about blur or residue in the bottle: sure, it might look a little different than the first time you caught it off the shelves at the grocery store, but it works pretty much the same. So let us stress: just because your apple cider vinegar might look a bit hazy doesn’t mean that it loses its strength – you always want to dilute the solution, especially before you apply it to your skin, because the vinegar alone can cause irritation.
Even if the effectiveness does not change, there is a caveat here: Mélissa Mitri, MS, RDN, dietitian and founder of Melissa Mitri Nutrition LLC, explains that these small changes in acidic preservatives can make your stroke a little more acidic. “There is no risk in consuming it, but it can affect the taste of your recipes,” she says. Never made a apple cider vinegar dressing it tasted a bit too much vinegar, even if you had mastered the ratio months before? This is probably because of these slight quality changes. That’s not to say it’s necessarily “bad” per se, but if you find that you don’t like the slight change in taste, feel free to throw the bottle away.