There are several foodstuffs are used by you in your daily life which can ruin six pack abs inspite of your hard works, for example- sugary beverages like soda, juice and cold drinks etc, which can increase your body fat percentage. Fried and fast foods such as French fries, chicken strips, fast foods etc because this foods are contains high calories. However, alcohol can also destroy your dreams of six pack abs, as it contains several cheap nutrients which are injuries to health.