Apple cider vinegar may help to reduce stomach acidity and control inflammation. However, apple cider vinegar can also irritate the lining of your stomach and esophagus. If you have gastroesophageal reflux disease (GERD), talk to your doctor before taking apple cider vinegar. GERD is a condition in which stomach acid backs up into your esophagus, causing heartburn and other symptoms. Drinking apple cider vinegar can also cause problems if you have tooth enamel erosion or if you suffer from indigestion.
If you're going to drink apple cider vinegar, be sure to do so in moderation. Excessive intake of apple cider vinegar can lead to low potassium levels but it is beneficial to drink an 8oz glass on a daily basis. If you are intermittent fasting you might be wondering does apple cider vinegar break a fast and the answer is no it does not break a fast.