Dark chocolate is loaded with antioxidants and a nice dose of oleic acid, which is a monounsaturated fat. It also contains stimulants that can have a positive effect on fat burning, including theobromine and caffeine. Dark chocolate reduces the production of the stress hormone cortisol, which causes belly fat to accumulate. Try it for a quick breakfast to keep your appetite tamed for hours.
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  .
These little black morsels of nutrition are packed with fiber, protein and, most important of all, omega-3 fatty acids. Pair chia seeds with green tea in a smoothie to turbocharge the tea's fat-burning powers. According to a study review in the International Journal of Molecular Science, omega-3 polyunsaturated fatty acids may enhance not only the bioavailability of EGCG, but also its effectiveness.
This is the result of a lazy thyroid, the gland being responsible for producing hormones that control the metabolism. A lower metabolism is surely a trigger for weight gain, but it’s not just the excess belly fat that gives headaches to this group of people: they also tend to have poor circulation and cold extremities, hair loss, saggy underarm skin and brittle fingernails.