Drinking apple cider vinegar may lower blood sugar levels and help with weight loss by increasing feelings of fullness, which leads to the intake of fewer calories. Although it has not been proven that apple cider vinegar provides these benefits, it is the most popular vinegar with natural health advocates.
The consumption of vinegar reportedly improves insulin sensitivity by 19 to 34 percent and significantly lowers blood glucose and insulin responses. Some studies claim that apple cider vinegar reduces blood sugar by 34 percent when eating 50 grams of white bread, and 2 tablespoons of apple cider vinegar before bedtime can reduce fasting sugars by 4 percent. While some users drink it, the best way to add vinegar into a diet is through cooking and in salad dressings.