5. Apple Cider Vinegar
Apple cider vinegar has been used for centuries to lose weight. Evidence has shown that it reduces appetite and lowers blood sugar levels, especially in patients who have diabetes.
Acetic acid, the main component of vinegar, has been found to reduce belly fat in several animals. Although not many studies have been done on the effect of vinegar in humans.
Obese patients are advised to include vinegar in their diet, starting with one teaspoon each day diluted in water and gradually increased to 1 tablespoon per day to prevent digestive problems.