Home Remedies for Flat Belly Weight gain has become a major issue these days. And our present lifestyle leads to more and more accumulation of fats in the abdominal region leading to belly fat. Accumulation of too much of body fat leads to several complications. Also, it results in lack of self confidence and people tend to lose their individualities. To get rid of such a condition, there are certain home remedies for flat belly. Useful Home Remedies 1. Lemon