Is there a downside to apple cider vinegar?

The Hidden Risks of Apple Cider Vinegar

You’ve probably heard the hype: apple cider vinegar (ACV) is touted as a miracle tonic for weight loss, digestion, and blood sugar control. While it does have some science-backed benefits, it’s not without its downsides—especially when used carelessly.

Its high acidity can do real harm if you’re not careful. The main component, acetic acid, is powerful stuff. When consumed straight or undiluted, it can burn your esophagus, causing pain and potential long-term damage. Some people report acid reflux or throat irritation after taking ACV shots—a popular but risky trend.

Another serious concern is tooth enamel erosion. Enamel is your teeth’s protective barrier, and once it’s gone, it doesn’t grow back. Sipping on ACV, especially daily, exposes your teeth to acid that weakens this shield over time. Dentists often warn patients about the “dental cost” of constant vinegar exposure—discoloration, sensitivity, and even cavities can follow.

To lower the risks, always dilute ACV in water—never drink it straight. Limiting frequency also helps: once a day is plenty, if at all. Using a straw can reduce contact with teeth, and rinsing your mouth with plain water afterward adds extra protection.

While apple cider vinegar may offer some health perks, it’s not a benign elixir. Respect its acidity, and use it wisely. For some, the risks may outweigh the rewards—especially if you have sensitive teeth or digestive issues. As with any remedy, moderation and caution go a long way.