How to reduce the fat on the stomach? The most effective way to reduce fat is to turn hula hoop, run, swim, climb mountains, keep fit and do sit-ups. If the effect is slow, stick to it! ! ! I used to have a lot of fat on my stomach after raising BB, but I just couldn't hold on and lost weight. Later, someone introduced a slimming product for local external use, called British Dissolved Slimming Cream. Thin belly works very well. After using it for a month, the waist circumference was reduced by 8CM. The leg circumference is reduced by more than 3CM, which is mainly safe and has no side effects.