Grapefruit, on the other hand, contains ample vitamin C which is known for its fat-burning properties. According to a study, vitamin C plays a vital role in enzyme function and the low vitamin C levels make it harder to oxidize fat during exercise. The researchers found that an insufficient amount of vitamin C can hinder the burning of belly fat [5] .

The stress hormone cortisol can really screw with your belly. The problem with cortisol is two-fold: First, the chemical makeup of cortisol causes the body to store visceral fat. Visceral fat is stored between your main organs and in the midsection and is the most dangerous type of fat. Experts state that visceral fat increases the risk of diabetes and heart disease.
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