For many natural treatments, there seems to be little chance, so "why not try it?" "For diets with high vinegar content, however, a few precautions are in order:
You should use diluted vinegar. When sipped "straight," its high acidity will destroy tooth enamel. It is a safer way to eat it as a part of vinaigrette salad dressing.
Low potassium levels have been reported to be affecting or deteriorating. This is especially important for people who take medicines that can decrease potassium (such as common diuretics taken to treat high blood pressure).
Insulin levels may be altered by vinegar. People with diabetes should be particularly be careful about a diet rich in vinegar.