Soaking onions in white vinegar is a folk prescription. There is no medical basis and medical research to prove that this method can effectively improve obese patients and promote their fat metabolism. It can be clearly told that taking this prescription will cause different degrees of damage to gastric mucosa, whether before or after meals. Because the composition of white vinegar is acetic acid, the acidity is extremely high.

I suggest you give priority to diet, supplemented by exercise. Change eating habits, drink more warm water and eat spicy food properly to promote metabolism. Try not to eat staple food and refuse sweets. No instant noodles, coffee, sugar, etc. Eat more fruits and vegetables instead of staple food. No drinks, etc. Then with aerobic exercise or yoga, the effect should be very good.