stool
* Black stools
* Unexplained weight loss
* Persistent abdominal pain
* Severe or worsening bloating
* Frequent reflux
* Major changes in bowel habits
These symptoms may require proper diagnosis.
## The Bottom Line
Apple cider vinegar is not a miracle digestive remedy.
Research suggests vinegar may have modest effects on **post-meal blood sugar and some other metabolic markers**, but evidence that it reliably reduces bloating, treats constipation, improves nutrient absorption, or “balances stomach acid” is much weaker.
If you enjoy diluted apple cider vinegar and tolerate it well, modest amounts can be part of
